diff --git a/changelog.txt b/changelog.txt new file mode 100644 index 0000000..8a9b996 --- /dev/null +++ b/changelog.txt @@ -0,0 +1,10 @@ +calendarimporter 1.1 final: + - ics exporter + - improved ics fileparser + - fixed ExtJS Problem in chrome + +KNOWN PROBLEMS: + - importer ignores some fields (priority, status...) + - attechments are ignored + - timezone handling is not perfect + - recurrent events are not handled properly (im/export) \ No newline at end of file diff --git a/php/ical/class.icalcreator.php b/php/ical/class.icalcreator.php new file mode 100644 index 0000000..0969049 --- /dev/null +++ b/php/ical/class.icalcreator.php @@ -0,0 +1,10338 @@ + + * @since 2.9.6 - 2011-05-14 + */ +class vcalendar { + // calendar property variables + var $calscale; + var $method; + var $prodid; + var $version; + var $xprop; + // container for calendar components + var $components; + // component config variables + var $allowEmpty; + var $unique_id; + var $language; + var $directory; + var $filename; + var $url; + var $delimiter; + var $nl; + var $format; + var $dtzid; + // component internal variables + var $attributeDelimiter; + var $valueInit; + // component xCal declaration container + var $xcaldecl; +/** + * constructor for calendar object + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.9.6 - 2011-05-14 + * @param array $config + * @return void + */ + function vcalendar ( $config = array()) { + $this->_makeVersion(); + $this->calscale = null; + $this->method = null; + $this->_makeUnique_id(); + $this->prodid = null; + $this->xprop = array(); + $this->language = null; + $this->directory = null; + $this->filename = null; + $this->url = null; + $this->dtzid = null; +/** + * language = + */ + if( defined( 'ICAL_LANG' ) && !isset( $config['language'] )) + $config['language'] = ICAL_LANG; + if( !isset( $config['allowEmpty'] )) $config['allowEmpty'] = TRUE; + if( !isset( $config['nl'] )) $config['nl'] = "\r\n"; + if( !isset( $config['format'] )) $config['format'] = 'iCal'; + if( !isset( $config['delimiter'] )) $config['delimiter'] = DIRECTORY_SEPARATOR; + $this->setConfig( $config ); + + $this->xcaldecl = array(); + $this->components = array(); + } +/*********************************************************************************/ +/** + * Property Name: CALSCALE + */ +/** + * creates formatted output for calendar property calscale + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.10.16 - 2011-10-28 + * @return string + */ + function createCalscale() { + if( empty( $this->calscale )) return FALSE; + switch( $this->format ) { + case 'xcal': + return $this->nl.' calscale="'.$this->calscale.'"'; + break; + default: + return 'CALSCALE:'.$this->calscale.$this->nl; + break; + } + } +/** + * set calendar property calscale + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-10-21 + * @param string $value + * @return void + */ + function setCalscale( $value ) { + if( empty( $value )) return FALSE; + $this->calscale = $value; + } +/*********************************************************************************/ +/** + * Property Name: METHOD + */ +/** + * creates formatted output for calendar property method + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.10.16 - 2011-10-28 + * @return string + */ + function createMethod() { + if( empty( $this->method )) return FALSE; + switch( $this->format ) { + case 'xcal': + return $this->nl.' method="'.$this->method.'"'; + break; + default: + return 'METHOD:'.$this->method.$this->nl; + break; + } + } +/** + * set calendar property method + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-20-23 + * @param string $value + * @return bool + */ + function setMethod( $value ) { + if( empty( $value )) return FALSE; + $this->method = $value; + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: PRODID + * + * The identifier is RECOMMENDED to be the identical syntax to the + * [RFC 822] addr-spec. A good method to assure uniqueness is to put the + * domain name or a domain literal IP address of the host on which.. . + */ +/** + * creates formatted output for calendar property prodid + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.12.11 - 2012-05-13 + * @return string + */ + function createProdid() { + if( !isset( $this->prodid )) + $this->_makeProdid(); + switch( $this->format ) { + case 'xcal': + return $this->nl.' prodid="'.$this->prodid.'"'; + break; + default: + $toolbox = new calendarComponent(); + $toolbox->setConfig( $this->getConfig()); + return $toolbox->_createElement( 'PRODID', '', $this->prodid ); + break; + } + } +/** + * make default value for calendar prodid + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.6.8 - 2009-12-30 + * @return void + */ + function _makeProdid() { + $this->prodid = '-//'.$this->unique_id.'//'.ICALCREATOR_VERSION.'//'.strtoupper( $this->language ); + } +/** + * Conformance: The property MUST be specified once in an iCalendar object. + * Description: The vendor of the implementation SHOULD assure that this + * is a globally unique identifier; using some technique such as an FPI + * value, as defined in [ISO 9070]. + */ +/** + * make default unique_id for calendar prodid + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 0.3.0 - 2006-08-10 + * @return void + */ + function _makeUnique_id() { + $this->unique_id = ( isset( $_SERVER['SERVER_NAME'] )) ? gethostbyname( $_SERVER['SERVER_NAME'] ) : 'localhost'; + } +/*********************************************************************************/ +/** + * Property Name: VERSION + * + * Description: A value of "2.0" corresponds to this memo. + */ +/** + * creates formatted output for calendar property version + + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.10.16 - 2011-10-28 + * @return string + */ + function createVersion() { + if( empty( $this->version )) + $this->_makeVersion(); + switch( $this->format ) { + case 'xcal': + return $this->nl.' version="'.$this->version.'"'; + break; + default: + return 'VERSION:'.$this->version.$this->nl; + break; + } + } +/** + * set default calendar version + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 0.3.0 - 2006-08-10 + * @return void + */ + function _makeVersion() { + $this->version = '2.0'; + } +/** + * set calendar version + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-10-23 + * @param string $value + * @return void + */ + function setVersion( $value ) { + if( empty( $value )) return FALSE; + $this->version = $value; + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: x-prop + */ +/** + * creates formatted output for calendar property x-prop, iCal format only + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.10.16 - 2011-11-01 + * @return string + */ + function createXprop() { + if( empty( $this->xprop ) || !is_array( $this->xprop )) return FALSE; + $output = null; + $toolbox = new calendarComponent(); + $toolbox->setConfig( $this->getConfig()); + foreach( $this->xprop as $label => $xpropPart ) { + if( !isset($xpropPart['value']) || ( empty( $xpropPart['value'] ) && !is_numeric( $xpropPart['value'] ))) { + $output .= $toolbox->_createElement( $label ); + continue; + } + $attributes = $toolbox->_createParams( $xpropPart['params'], array( 'LANGUAGE' )); + if( is_array( $xpropPart['value'] )) { + foreach( $xpropPart['value'] as $pix => $theXpart ) + $xpropPart['value'][$pix] = $toolbox->_strrep( $theXpart ); + $xpropPart['value'] = implode( ',', $xpropPart['value'] ); + } + else + $xpropPart['value'] = $toolbox->_strrep( $xpropPart['value'] ); + $output .= $toolbox->_createElement( $label, $attributes, $xpropPart['value'] ); + if( is_array( $toolbox->xcaldecl ) && ( 0 < count( $toolbox->xcaldecl ))) { + foreach( $toolbox->xcaldecl as $localxcaldecl ) + $this->xcaldecl[] = $localxcaldecl; + } + } + return $output; + } +/** + * set calendar property x-prop + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.11.9 - 2012-01-16 + * @param string $label + * @param string $value + * @param array $params optional + * @return bool + */ + function setXprop( $label, $value, $params=FALSE ) { + if( empty( $label )) + return FALSE; + if( 'X-' != strtoupper( substr( $label, 0, 2 ))) + return FALSE; + if( empty( $value ) && !is_numeric( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE; + $xprop = array( 'value' => $value ); + $xprop['params'] = iCalUtilityFunctions::_setParams( $params ); + if( !is_array( $this->xprop )) $this->xprop = array(); + $this->xprop[strtoupper( $label )] = $xprop; + return TRUE; + } +/*********************************************************************************/ +/** + * delete calendar property value + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.8.8 - 2011-03-15 + * @param mixed $propName, bool FALSE => X-property + * @param int $propix, optional, if specific property is wanted in case of multiply occurences + * @return bool, if successfull delete + */ + function deleteProperty( $propName=FALSE, $propix=FALSE ) { + $propName = ( $propName ) ? strtoupper( $propName ) : 'X-PROP'; + if( !$propix ) + $propix = ( isset( $this->propdelix[$propName] ) && ( 'X-PROP' != $propName )) ? $this->propdelix[$propName] + 2 : 1; + $this->propdelix[$propName] = --$propix; + $return = FALSE; + switch( $propName ) { + case 'CALSCALE': + if( isset( $this->calscale )) { + $this->calscale = null; + $return = TRUE; + } + break; + case 'METHOD': + if( isset( $this->method )) { + $this->method = null; + $return = TRUE; + } + break; + default: + $reduced = array(); + if( $propName != 'X-PROP' ) { + if( !isset( $this->xprop[$propName] )) { unset( $this->propdelix[$propName] ); return FALSE; } + foreach( $this->xprop as $k => $a ) { + if(( $k != $propName ) && !empty( $a )) + $reduced[$k] = $a; + } + } + else { + if( count( $this->xprop ) <= $propix ) return FALSE; + $xpropno = 0; + foreach( $this->xprop as $xpropkey => $xpropvalue ) { + if( $propix != $xpropno ) + $reduced[$xpropkey] = $xpropvalue; + $xpropno++; + } + } + $this->xprop = $reduced; + if( empty( $this->xprop )) { + unset( $this->propdelix[$propName] ); + return FALSE; + } + return TRUE; + } + return $return; + } +/** + * get calendar property value/params + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.13.4 - 2012-08-08 + * @param string $propName, optional + * @param int $propix, optional, if specific property is wanted in case of multiply occurences + * @param bool $inclParam=FALSE + * @return mixed + */ + function getProperty( $propName=FALSE, $propix=FALSE, $inclParam=FALSE ) { + $propName = ( $propName ) ? strtoupper( $propName ) : 'X-PROP'; + if( 'X-PROP' == $propName ) { + if( !$propix ) + $propix = ( isset( $this->propix[$propName] )) ? $this->propix[$propName] + 2 : 1; + $this->propix[$propName] = --$propix; + } + else + $mProps = array( 'ATTENDEE', 'CATEGORIES', 'CONTACT', 'RELATED-TO', 'RESOURCES' ); + switch( $propName ) { + case 'ATTENDEE': + case 'CATEGORIES': + case 'CONTACT': + case 'DTSTART': + case 'GEOLOCATION': + case 'LOCATION': + case 'ORGANIZER': + case 'PRIORITY': + case 'RESOURCES': + case 'STATUS': + case 'SUMMARY': + case 'RECURRENCE-ID-UID': + case 'RELATED-TO': + case 'R-UID': + case 'UID': + case 'URL': + $output = array(); + foreach ( $this->components as $cix => $component) { + if( !in_array( $component->objName, array('vevent', 'vtodo', 'vjournal', 'vfreebusy' ))) + continue; + if( in_array( strtoupper( $propName ), $mProps )) { + $component->_getProperties( $propName, $output ); + continue; + } + elseif(( 3 < strlen( $propName )) && ( 'UID' == substr( $propName, -3 ))) { + if( FALSE !== ( $content = $component->getProperty( 'RECURRENCE-ID' ))) + $content = $component->getProperty( 'UID' ); + } + elseif( 'GEOLOCATION' == $propName ) { + $content = $component->getProperty( 'LOCATION' ); + $content = ( !empty( $content )) ? $content.' ' : ''; + if(( FALSE === ( $geo = $component->getProperty( 'GEO' ))) || empty( $geo )) + continue; + if( 0.0 < $geo['latitude'] ) + $sign = '+'; + else + $sign = ( 0.0 > $geo['latitude'] ) ? '-' : ''; + $content .= ' '.$sign.sprintf( "%09.6f", abs( $geo['latitude'] )); + $content = rtrim( rtrim( $content, '0' ), '.' ); + if( 0.0 < $geo['longitude'] ) + $sign = '+'; + else + $sign = ( 0.0 > $geo['longitude'] ) ? '-' : ''; + $content .= $sign.sprintf( '%8.6f', abs( $geo['longitude'] )).'/'; + } + elseif( FALSE === ( $content = $component->getProperty( $propName ))) + continue; + if(( FALSE === $content ) || empty( $content )) + continue; + elseif( is_array( $content )) { + if( isset( $content['year'] )) { + $key = sprintf( '%04d%02d%02d', $content['year'], $content['month'], $content['day'] ); + if( !isset( $output[$key] )) + $output[$key] = 1; + else + $output[$key] += 1; + } + else { + foreach( $content as $partValue => $partCount ) { + if( !isset( $output[$partValue] )) + $output[$partValue] = $partCount; + else + $output[$partValue] += $partCount; + } + } + } // end elseif( is_array( $content )) { + elseif( !isset( $output[$content] )) + $output[$content] = 1; + else + $output[$content] += 1; + } // end foreach ( $this->components as $cix => $component) + if( !empty( $output )) + ksort( $output ); + return $output; + break; + case 'CALSCALE': + return ( !empty( $this->calscale )) ? $this->calscale : FALSE; + break; + case 'METHOD': + return ( !empty( $this->method )) ? $this->method : FALSE; + break; + case 'PRODID': + if( empty( $this->prodid )) + $this->_makeProdid(); + return $this->prodid; + break; + case 'VERSION': + return ( !empty( $this->version )) ? $this->version : FALSE; + break; + default: + if( $propName != 'X-PROP' ) { + if( !isset( $this->xprop[$propName] )) return FALSE; + return ( $inclParam ) ? array( $propName, $this->xprop[$propName] ) + : array( $propName, $this->xprop[$propName]['value'] ); + } + else { + if( empty( $this->xprop )) return FALSE; + $xpropno = 0; + foreach( $this->xprop as $xpropkey => $xpropvalue ) { + if( $propix == $xpropno ) + return ( $inclParam ) ? array( $xpropkey, $this->xprop[$xpropkey] ) + : array( $xpropkey, $this->xprop[$xpropkey]['value'] ); + else + $xpropno++; + } + unset( $this->propix[$propName] ); + return FALSE; // not found ?? + } + } + return FALSE; + } +/** + * general vcalendar property setting + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.2.13 - 2007-11-04 + * @param mixed $args variable number of function arguments, + * first argument is ALWAYS component name, + * second ALWAYS component value! + * @return bool + */ + function setProperty () { + $numargs = func_num_args(); + if( 1 > $numargs ) + return FALSE; + $arglist = func_get_args(); + $arglist[0] = strtoupper( $arglist[0] ); + switch( $arglist[0] ) { + case 'CALSCALE': + return $this->setCalscale( $arglist[1] ); + case 'METHOD': + return $this->setMethod( $arglist[1] ); + case 'VERSION': + return $this->setVersion( $arglist[1] ); + default: + if( !isset( $arglist[1] )) $arglist[1] = null; + if( !isset( $arglist[2] )) $arglist[2] = null; + return $this->setXprop( $arglist[0], $arglist[1], $arglist[2] ); + } + return FALSE; + } +/*********************************************************************************/ +/** + * get vcalendar config values or * calendar components + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.11.7 - 2012-01-12 + * @param mixed $config + * @return value + */ + function getConfig( $config = FALSE ) { + if( !$config ) { + $return = array(); + $return['ALLOWEMPTY'] = $this->getConfig( 'ALLOWEMPTY' ); + $return['DELIMITER'] = $this->getConfig( 'DELIMITER' ); + $return['DIRECTORY'] = $this->getConfig( 'DIRECTORY' ); + $return['FILENAME'] = $this->getConfig( 'FILENAME' ); + $return['DIRFILE'] = $this->getConfig( 'DIRFILE' ); + $return['FILESIZE'] = $this->getConfig( 'FILESIZE' ); + $return['FORMAT'] = $this->getConfig( 'FORMAT' ); + if( FALSE !== ( $lang = $this->getConfig( 'LANGUAGE' ))) + $return['LANGUAGE'] = $lang; + $return['NEWLINECHAR'] = $this->getConfig( 'NEWLINECHAR' ); + $return['UNIQUE_ID'] = $this->getConfig( 'UNIQUE_ID' ); + if( FALSE !== ( $url = $this->getConfig( 'URL' ))) + $return['URL'] = $url; + $return['TZID'] = $this->getConfig( 'TZID' ); + return $return; + } + switch( strtoupper( $config )) { + case 'ALLOWEMPTY': + return $this->allowEmpty; + break; + case 'COMPSINFO': + unset( $this->compix ); + $info = array(); + foreach( $this->components as $cix => $component ) { + if( empty( $component )) continue; + $info[$cix]['ordno'] = $cix + 1; + $info[$cix]['type'] = $component->objName; + $info[$cix]['uid'] = $component->getProperty( 'uid' ); + $info[$cix]['props'] = $component->getConfig( 'propinfo' ); + $info[$cix]['sub'] = $component->getConfig( 'compsinfo' ); + } + return $info; + break; + case 'DELIMITER': + return $this->delimiter; + break; + case 'DIRECTORY': + if( empty( $this->directory ) && ( '0' != $this->directory )) + $this->directory = '.'; + return $this->directory; + break; + case 'DIRFILE': + return $this->getConfig( 'directory' ).$this->getConfig( 'delimiter' ).$this->getConfig( 'filename' ); + break; + case 'FILEINFO': + return array( $this->getConfig( 'directory' ) + , $this->getConfig( 'filename' ) + , $this->getConfig( 'filesize' )); + break; + case 'FILENAME': + if( empty( $this->filename ) && ( '0' != $this->filename )) { + if( 'xcal' == $this->format ) + $this->filename = date( 'YmdHis' ).'.xml'; // recommended xcs.. . + else + $this->filename = date( 'YmdHis' ).'.ics'; + } + return $this->filename; + break; + case 'FILESIZE': + $size = 0; + if( empty( $this->url )) { + $dirfile = $this->getConfig( 'dirfile' ); + if( !is_file( $dirfile ) || ( FALSE === ( $size = filesize( $dirfile )))) + $size = 0; + clearstatcache(); + } + return $size; + break; + case 'FORMAT': + return ( $this->format == 'xcal' ) ? 'xCal' : 'iCal'; + break; + case 'LANGUAGE': + /* get language for calendar component as defined in [RFC 1766] */ + return $this->language; + break; + case 'NL': + case 'NEWLINECHAR': + return $this->nl; + break; + case 'TZID': + return $this->dtzid; + break; + case 'UNIQUE_ID': + return $this->unique_id; + break; + case 'URL': + if( !empty( $this->url )) + return $this->url; + else + return FALSE; + break; + } + } +/** + * general vcalendar config setting + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.12.12 - 2012-05-13 + * @param mixed $config + * @param string $value + * @return void + */ + function setConfig( $config, $value = FALSE) { + if( is_array( $config )) { + $ak = array_keys( $config ); + foreach( $ak as $k ) { + if( 'DIRECTORY' == strtoupper( $k )) { + if( FALSE === $this->setConfig( 'DIRECTORY', $config[$k] )) + return FALSE; + unset( $config[$k] ); + } + elseif( 'NEWLINECHAR' == strtoupper( $k )) { + if( FALSE === $this->setConfig( 'NEWLINECHAR', $config[$k] )) + return FALSE; + unset( $config[$k] ); + } + } + foreach( $config as $cKey => $cValue ) { + if( FALSE === $this->setConfig( $cKey, $cValue )) + return FALSE; + } + return TRUE; + } + $res = FALSE; + switch( strtoupper( $config )) { + case 'ALLOWEMPTY': + $this->allowEmpty = $value; + $subcfg = array( 'ALLOWEMPTY' => $value ); + $res = TRUE; + break; + case 'DELIMITER': + $this->delimiter = $value; + return TRUE; + break; + case 'DIRECTORY': + $value = trim( $value ); + $del = $this->getConfig('delimiter'); + if( $del == substr( $value, ( 0 - strlen( $del )))) + $value = substr( $value, 0, ( strlen( $value ) - strlen( $del ))); + if( is_dir( $value )) { + /* local directory */ + clearstatcache(); + $this->directory = $value; + $this->url = null; + return TRUE; + } + else + return FALSE; + break; + case 'FILENAME': + $value = trim( $value ); + if( !empty( $this->url )) { + /* remote directory+file -> URL */ + $this->filename = $value; + return TRUE; + } + $dirfile = $this->getConfig( 'directory' ).$this->getConfig( 'delimiter' ).$value; + if( file_exists( $dirfile )) { + /* local file exists */ + if( is_readable( $dirfile ) || is_writable( $dirfile )) { + clearstatcache(); + $this->filename = $value; + return TRUE; + } + else + return FALSE; + } + elseif( is_readable($this->getConfig( 'directory' ) ) || is_writable( $this->getConfig( 'directory' ) )) { + /* read- or writable directory */ + $this->filename = $value; + return TRUE; + } + else + return FALSE; + break; + case 'FORMAT': + $value = trim( strtolower( $value )); + if( 'xcal' == $value ) { + $this->format = 'xcal'; + $this->attributeDelimiter = $this->nl; + $this->valueInit = null; + } + else { + $this->format = null; + $this->attributeDelimiter = ';'; + $this->valueInit = ':'; + } + $subcfg = array( 'FORMAT' => $value ); + $res = TRUE; + break; + case 'LANGUAGE': // set language for calendar component as defined in [RFC 1766] + $value = trim( $value ); + $this->language = $value; + $this->_makeProdid(); + $subcfg = array( 'LANGUAGE' => $value ); + $res = TRUE; + break; + case 'NL': + case 'NEWLINECHAR': + $this->nl = $value; + if( 'xcal' == $value ) { + $this->attributeDelimiter = $this->nl; + $this->valueInit = null; + } + else { + $this->attributeDelimiter = ';'; + $this->valueInit = ':'; + } + $subcfg = array( 'NL' => $value ); + $res = TRUE; + break; + case 'TZID': + $this->dtzid = $value; + $subcfg = array( 'TZID' => $value ); + $res = TRUE; + break; + case 'UNIQUE_ID': + $value = trim( $value ); + $this->unique_id = $value; + $this->_makeProdid(); + $subcfg = array( 'UNIQUE_ID' => $value ); + $res = TRUE; + break; + case 'URL': + /* remote file - URL */ + $value = trim( $value ); + $value = str_replace( 'HTTP://', 'http://', $value ); + $value = str_replace( 'WEBCAL://', 'http://', $value ); + $value = str_replace( 'webcal://', 'http://', $value ); + $this->url = $value; + $this->directory = null; + $parts = pathinfo( $value ); + return $this->setConfig( 'filename', $parts['basename'] ); + break; + default: // any unvalid config key.. . + return TRUE; + } + if( !$res ) return FALSE; + if( isset( $subcfg ) && !empty( $this->components )) { + foreach( $subcfg as $cfgkey => $cfgvalue ) { + foreach( $this->components as $cix => $component ) { + $res = $component->setConfig( $cfgkey, $cfgvalue, TRUE ); + if( !$res ) + break 2; + $this->components[$cix] = $component->copy(); // PHP4 compliant + } + } + } + return $res; + } +/*********************************************************************************/ +/** + * add calendar component to container + * + * alias to setComponent + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 1.x.x - 2007-04-24 + * @param object $component calendar component + * @return void + */ + function addComponent( $component ) { + $this->setComponent( $component ); + } +/** + * delete calendar component from container + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.8.8 - 2011-03-15 + * @param mixed $arg1 ordno / component type / component uid + * @param mixed $arg2 optional, ordno if arg1 = component type + * @return void + */ + function deleteComponent( $arg1, $arg2=FALSE ) { + $argType = $index = null; + if ( ctype_digit( (string) $arg1 )) { + $argType = 'INDEX'; + $index = (int) $arg1 - 1; + } + elseif(( strlen( $arg1 ) <= strlen( 'vfreebusy' )) && ( FALSE === strpos( $arg1, '@' ))) { + $argType = strtolower( $arg1 ); + $index = ( !empty( $arg2 ) && ctype_digit( (string) $arg2 )) ? (( int ) $arg2 - 1 ) : 0; + } + $cix1dC = 0; + foreach ( $this->components as $cix => $component) { + if( empty( $component )) continue; + if(( 'INDEX' == $argType ) && ( $index == $cix )) { + unset( $this->components[$cix] ); + return TRUE; + } + elseif( $argType == $component->objName ) { + if( $index == $cix1dC ) { + unset( $this->components[$cix] ); + return TRUE; + } + $cix1dC++; + } + elseif( !$argType && ($arg1 == $component->getProperty( 'uid' ))) { + unset( $this->components[$cix] ); + return TRUE; + } + } + return FALSE; + } +/** + * get calendar component from container + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.13.5 - 2012-08-08 + * @param mixed $arg1 optional, ordno/component type/ component uid + * @param mixed $arg2 optional, ordno if arg1 = component type + * @return object + */ + function getComponent( $arg1=FALSE, $arg2=FALSE ) { + $index = $argType = null; + if ( !$arg1 ) { // first or next in component chain + $argType = 'INDEX'; + $index = $this->compix['INDEX'] = ( isset( $this->compix['INDEX'] )) ? $this->compix['INDEX'] + 1 : 1; + } + elseif ( ctype_digit( (string) $arg1 )) { // specific component in chain + $argType = 'INDEX'; + $index = (int) $arg1; + unset( $this->compix ); + } + elseif( is_array( $arg1 )) { // array( *[propertyName => propertyValue] ) + $arg2 = implode( '-', array_keys( $arg1 )); + $index = $this->compix[$arg2] = ( isset( $this->compix[$arg2] )) ? $this->compix[$arg2] + 1 : 1; + $dateProps = array( 'DTSTART', 'DTEND', 'DUE', 'CREATED', 'COMPLETED', 'DTSTAMP', 'LAST-MODIFIED', 'RECURRENCE-ID' ); + $otherProps = array( 'ATTENDEE', 'CATEGORIES', 'CONTACT', 'LOCATION', 'ORGANIZER', 'PRIORITY', 'RELATED-TO', 'RESOURCES', 'STATUS', 'SUMMARY', 'UID', 'URL' ); + $mProps = array( 'ATTENDEE', 'CATEGORIES', 'CONTACT', 'RELATED-TO', 'RESOURCES' ); + } + elseif(( strlen( $arg1 ) <= strlen( 'vfreebusy' )) && ( FALSE === strpos( $arg1, '@' ))) { // object class name + unset( $this->compix['INDEX'] ); + $argType = strtolower( $arg1 ); + if( !$arg2 ) + $index = $this->compix[$argType] = ( isset( $this->compix[$argType] )) ? $this->compix[$argType] + 1 : 1; + elseif( isset( $arg2 ) && ctype_digit( (string) $arg2 )) + $index = (int) $arg2; + } + elseif(( strlen( $arg1 ) > strlen( 'vfreebusy' )) && ( FALSE !== strpos( $arg1, '@' ))) { // UID as 1st argument + if( !$arg2 ) + $index = $this->compix[$arg1] = ( isset( $this->compix[$arg1] )) ? $this->compix[$arg1] + 1 : 1; + elseif( isset( $arg2 ) && ctype_digit( (string) $arg2 )) + $index = (int) $arg2; + } + if( isset( $index )) + $index -= 1; + $ckeys = array_keys( $this->components ); + if( !empty( $index) && ( $index > end( $ckeys ))) + return FALSE; + $cix1gC = 0; + foreach ( $this->components as $cix => $component) { + if( empty( $component )) continue; + if(( 'INDEX' == $argType ) && ( $index == $cix )) + return $component->copy(); + elseif( $argType == $component->objName ) { + if( $index == $cix1gC ) + return $component->copy(); + $cix1gC++; + } + elseif( is_array( $arg1 )) { // array( *[propertyName => propertyValue] ) + $hit = array(); + foreach( $arg1 as $pName => $pValue ) { + $pName = strtoupper( $pName ); + if( !in_array( $pName, $dateProps ) && !in_array( $pName, $otherProps )) + continue; + if( in_array( $pName, $mProps )) { // multiple occurrence + $propValues = array(); + $component->_getProperties( $pName, $propValues ); + $propValues = array_keys( $propValues ); + $hit[] = ( in_array( $pValue, $propValues )) ? TRUE : FALSE; + continue; + } // end if(.. .// multiple occurrence + if( FALSE === ( $value = $component->getProperty( $pName ))) { // single occurrence + $hit[] = FALSE; // missing property + continue; + } + if( 'SUMMARY' == $pName ) { // exists within (any case) + $hit[] = ( FALSE !== stripos( $value, $pValue )) ? TRUE : FALSE; + continue; + } + if( in_array( strtoupper( $pName ), $dateProps )) { + $valuedate = sprintf( '%04d%02d%02d', $value['year'], $value['month'], $value['day'] ); + if( 8 < strlen( $pValue )) { + if( isset( $value['hour'] )) { + if( 'T' == substr( $pValue, 8, 1 )) + $pValue = str_replace( 'T', '', $pValue ); + $valuedate .= sprintf( '%02d%02d%02d', $value['hour'], $value['min'], $value['sec'] ); + } + else + $pValue = substr( $pValue, 0, 8 ); + } + $hit[] = ( $pValue == $valuedate ) ? TRUE : FALSE; + continue; + } + elseif( !is_array( $value )) + $value = array( $value ); + foreach( $value as $part ) { + $part = ( FALSE !== strpos( $part, ',' )) ? explode( ',', $part ) : array( $part ); + foreach( $part as $subPart ) { + if( $pValue == $subPart ) { + $hit[] = TRUE; + continue 3; + } + } + } // end foreach( $value as $part ) + $hit[] = FALSE; // no hit in property + } // end foreach( $arg1 as $pName => $pValue ) + if( in_array( TRUE, $hit )) { + if( $index == $cix1gC ) + return $component->copy(); + $cix1gC++; + } + } // end elseif( is_array( $arg1 )) { // array( *[propertyName => propertyValue] ) + elseif( !$argType && ($arg1 == $component->getProperty( 'uid' ))) { // UID + if( $index == $cix1gC ) + return $component->copy(); + $cix1gC++; + } + } // end foreach ( $this->components.. . + /* not found.. . */ + unset( $this->compix ); + return FALSE; + } +/** + * create new calendar component, already included within calendar + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.6.33 - 2011-01-03 + * @param string $compType component type + * @return object (reference) + */ + function & newComponent( $compType ) { + $config = $this->getConfig(); + $keys = array_keys( $this->components ); + $ix = end( $keys) + 1; + switch( strtoupper( $compType )) { + case 'EVENT': + case 'VEVENT': + $this->components[$ix] = new vevent( $config ); + break; + case 'TODO': + case 'VTODO': + $this->components[$ix] = new vtodo( $config ); + break; + case 'JOURNAL': + case 'VJOURNAL': + $this->components[$ix] = new vjournal( $config ); + break; + case 'FREEBUSY': + case 'VFREEBUSY': + $this->components[$ix] = new vfreebusy( $config ); + break; + case 'TIMEZONE': + case 'VTIMEZONE': + array_unshift( $this->components, new vtimezone( $config )); + $ix = 0; + break; + default: + return FALSE; + } + return $this->components[$ix]; + } +/** + * select components from calendar on date or selectOption basis + * + * Ensure DTSTART is set for every component. + * No date controls occurs. + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.11.22 - 2012-02-13 + * @param mixed $startY optional, start Year, default current Year ALT. array selecOptions ( *[ => ] ) + * @param int $startM optional, start Month, default current Month + * @param int $startD optional, start Day, default current Day + * @param int $endY optional, end Year, default $startY + * @param int $endY optional, end Month, default $startM + * @param int $endY optional, end Day, default $startD + * @param mixed $cType optional, calendar component type(-s), default FALSE=all else string/array type(-s) + * @param bool $flat optional, FALSE (default) => output : array[Year][Month][Day][] + * TRUE => output : array[] (ignores split) + * @param bool $any optional, TRUE (default) - select component(-s) that occurs within period + * FALSE - only component(-s) that starts within period + * @param bool $split optional, TRUE (default) - one component copy every DAY it occurs during the + * period (implies flat=FALSE) + * FALSE - one occurance of component only in output array + * @return array or FALSE + */ + function selectComponents( $startY=FALSE, $startM=FALSE, $startD=FALSE, $endY=FALSE, $endM=FALSE, $endD=FALSE, $cType=FALSE, $flat=FALSE, $any=TRUE, $split=TRUE ) { + /* check if empty calendar */ + if( 0 >= count( $this->components )) return FALSE; + if( is_array( $startY )) + return $this->selectComponents2( $startY ); + /* check default dates */ + if( !$startY ) $startY = date( 'Y' ); + if( !$startM ) $startM = date( 'm' ); + if( !$startD ) $startD = date( 'd' ); + $startDate = mktime( 0, 0, 0, $startM, $startD, $startY ); + if( !$endY ) $endY = $startY; + if( !$endM ) $endM = $startM; + if( !$endD ) $endD = $startD; + $endDate = mktime( 23, 59, 59, $endM, $endD, $endY ); +//echo 'selectComp arg='.date( 'Y-m-d H:i:s', $startDate).' -- '.date( 'Y-m-d H:i:s', $endDate)."
\n"; $tcnt = 0;// test ### + /* check component types */ + $validTypes = array('vevent', 'vtodo', 'vjournal', 'vfreebusy' ); + if( is_array( $cType )) { + foreach( $cType as $cix => $theType ) { + $cType[$cix] = $theType = strtolower( $theType ); + if( !in_array( $theType, $validTypes )) + $cType[$cix] = 'vevent'; + } + $cType = array_unique( $cType ); + } + elseif( !empty( $cType )) { + $cType = strtolower( $cType ); + if( !in_array( $cType, $validTypes )) + $cType = array( 'vevent' ); + else + $cType = array( $cType ); + } + else + $cType = $validTypes; + if( 0 >= count( $cType )) + $cType = $validTypes; + if(( FALSE === $flat ) && ( FALSE === $any )) // invalid combination + $split = FALSE; + if(( TRUE === $flat ) && ( TRUE === $split )) // invalid combination + $split = FALSE; + /* iterate components */ + $result = array(); + foreach ( $this->components as $cix => $component ) { + if( empty( $component )) continue; + unset( $start ); + /* deselect unvalid type components */ + if( !in_array( $component->objName, $cType )) + continue; + $start = $component->getProperty( 'dtstart' ); + /* select due when dtstart is missing */ + if( empty( $start ) && ( $component->objName == 'vtodo' ) && ( FALSE === ( $start = $component->getProperty( 'due' )))) + continue; + if( empty( $start )) + continue; + $dtendExist = $dueExist = $durationExist = $endAllDayEvent = $recurrid = FALSE; + unset( $end, $startWdate, $endWdate, $rdurWsecs, $rdur, $exdatelist, $workstart, $workend, $endDateFormat ); // clean up + $startWdate = iCalUtilityFunctions::_date2timestamp( $start ); + $startDateFormat = ( isset( $start['hour'] )) ? 'Y-m-d H:i:s' : 'Y-m-d'; + /* get end date from dtend/due/duration properties */ + $end = $component->getProperty( 'dtend' ); + if( !empty( $end )) { + $dtendExist = TRUE; + $endDateFormat = ( isset( $end['hour'] )) ? 'Y-m-d H:i:s' : 'Y-m-d'; + } + if( empty( $end ) && ( $component->objName == 'vtodo' )) { + $end = $component->getProperty( 'due' ); + if( !empty( $end )) { + $dueExist = TRUE; + $endDateFormat = ( isset( $end['hour'] )) ? 'Y-m-d H:i:s' : 'Y-m-d'; + } + } + if( !empty( $end ) && !isset( $end['hour'] )) { + /* a DTEND without time part regards an event that ends the day before, + for an all-day event DTSTART=20071201 DTEND=20071202 (taking place 20071201!!! */ + $endAllDayEvent = TRUE; + $endWdate = mktime( 23, 59, 59, $end['month'], ($end['day'] - 1), $end['year'] ); + $end['year'] = date( 'Y', $endWdate ); + $end['month'] = date( 'm', $endWdate ); + $end['day'] = date( 'd', $endWdate ); + $end['hour'] = 23; + $end['min'] = $end['sec'] = 59; + } + if( empty( $end )) { + $end = $component->getProperty( 'duration', FALSE, FALSE, TRUE );// in dtend (array) format + if( !empty( $end )) + $durationExist = TRUE; + $endDateFormat = ( isset( $start['hour'] )) ? 'Y-m-d H:i:s' : 'Y-m-d'; +// if( !empty($end)) echo 'selectComp 4 start='.implode('-',$start).' end='.implode('-',$end)."
\n"; // test ### + } + if( empty( $end )) { // assume one day duration if missing end date + $end = array( 'year' => $start['year'], 'month' => $start['month'], 'day' => $start['day'], 'hour' => 23, 'min' => 59, 'sec' => 59 ); + } +// if( isset($end)) echo 'selectComp 5 start='.implode('-',$start).' end='.implode('-',$end)."
\n"; // test ### + $endWdate = iCalUtilityFunctions::_date2timestamp( $end ); + if( $endWdate < $startWdate ) { // MUST be after start date!! + $end = array( 'year' => $start['year'], 'month' => $start['month'], 'day' => $start['day'], 'hour' => 23, 'min' => 59, 'sec' => 59 ); + $endWdate = iCalUtilityFunctions::_date2timestamp( $end ); + } + $rdurWsecs = $endWdate - $startWdate; // compute event (component) duration in seconds + /* make a list of optional exclude dates for component occurence from exrule and exdate */ + $exdatelist = array(); + $workstart = iCalUtilityFunctions::_timestamp2date(( $startDate - $rdurWsecs ), 6); + $workend = iCalUtilityFunctions::_timestamp2date(( $endDate + $rdurWsecs ), 6); + while( FALSE !== ( $exrule = $component->getProperty( 'exrule' ))) // check exrule + iCalUtilityFunctions::_recur2date( $exdatelist, $exrule, $start, $workstart, $workend ); + while( FALSE !== ( $exdate = $component->getProperty( 'exdate' ))) { // check exdate + foreach( $exdate as $theExdate ) { + $exWdate = iCalUtilityFunctions::_date2timestamp( $theExdate ); + $exWdate = mktime( 0, 0, 0, date( 'm', $exWdate ), date( 'd', $exWdate ), date( 'Y', $exWdate )); // on a day-basis !!! + if((( $startDate - $rdurWsecs ) <= $exWdate ) && ( $endDate >= $exWdate )) + $exdatelist[$exWdate] = TRUE; + } // end - foreach( $exdate as $theExdate ) + } // end - check exdate + $compUID = $component->getProperty( 'UID' ); + /* check recurrence-id (with sequence), remove hit with reccurr-id date */ + if(( FALSE !== ( $recurrid = $component->getProperty( 'recurrence-id' ))) && + ( FALSE !== ( $sequence = $component->getProperty( 'sequence' ))) ) { + $recurrid = iCalUtilityFunctions::_date2timestamp( $recurrid ); + $recurrid = mktime( 0, 0, 0, date( 'm', $recurrid ), date( 'd', $recurrid ), date( 'Y', $recurrid )); // on a day-basis !!! + $endD = $recurrid + $rdurWsecs; + do { + if( date( 'Ymd', $startWdate ) != date( 'Ymd', $recurrid )) + $exdatelist[$recurrid] = TRUE; // exclude all other days than startdate + $wd = getdate( $recurrid ); + if( isset( $result[$wd['year']][$wd['mon']][$wd['mday']][$compUID] )) + unset( $result[$wd['year']][$wd['mon']][$wd['mday']][$compUID] ); // remove from output, dtstart etc added below + if( $split && ( $recurrid <= $endD )) + $recurrid = mktime( 0, 0, 0, date( 'm', $recurrid ), date( 'd', $recurrid ) + 1, date( 'Y', $recurrid )); // step one day + else + break; + } while( TRUE ); + } // end recurrence-id/sequence test + /* select only components with.. . */ + if(( !$any && ( $startWdate >= $startDate ) && ( $startWdate <= $endDate )) || // (dt)start within the period + ( $any && ( $startWdate < $endDate ) && ( $endWdate >= $startDate ))) { // occurs within the period + /* add the selected component (WITHIN valid dates) to output array */ + if( $flat ) { // any=true/false, ignores split + if( !$recurrid ) + $result[$compUID] = $component->copy(); // copy original to output (but not anyone with recurrence-id) + } + elseif( $split ) { // split the original component + if( $endWdate > $endDate ) + $endWdate = $endDate; // use period end date + $rstart = $startWdate; + if( $rstart < $startDate ) + $rstart = $startDate; // use period start date + $startYMD = date( 'Ymd', $rstart ); + $endYMD = date( 'Ymd', $endWdate ); + $checkDate = mktime( 0, 0, 0, date( 'm', $rstart ), date( 'd', $rstart ), date( 'Y', $rstart ) ); // on a day-basis !!! + while( date( 'Ymd', $rstart ) <= $endYMD ) { // iterate + $checkDate = mktime( 0, 0, 0, date( 'm', $rstart ), date( 'd', $rstart ), date( 'Y', $rstart ) ); // on a day-basis !!! + if( isset( $exdatelist[$checkDate] )) { // exclude any recurrence date, found in exdatelist + $rstart = mktime( date( 'H', $rstart ), date( 'i', $rstart ), date( 's', $rstart ), date( 'm', $rstart ), date( 'd', $rstart ) + 1, date( 'Y', $rstart ) ); // step one day + continue; + } + if( date( 'Ymd', $rstart ) > $startYMD ) // date after dtstart + $datestring = date( $startDateFormat, mktime( 0, 0, 0, date( 'm', $rstart ), date( 'd', $rstart ), date( 'Y', $rstart ))); + else + $datestring = date( $startDateFormat, $rstart ); + if( isset( $start['tz'] )) + $datestring .= ' '.$start['tz']; +// echo "X-CURRENT-DTSTART 3 = $datestring xRecurrence=$xRecurrence tcnt =".++$tcnt."
";$component->setProperty( 'X-CNT', $tcnt ); // test ### + $component->setProperty( 'X-CURRENT-DTSTART', $datestring ); + if( $dtendExist || $dueExist || $durationExist ) { + if( date( 'Ymd', $rstart ) < $endYMD ) // not the last day + $tend = mktime( 23, 59, 59, date( 'm', $rstart ), date( 'd', $rstart ), date( 'Y', $rstart )); + else + $tend = mktime( date( 'H', $endWdate ), date( 'i', $endWdate ), date( 's', $endWdate ), date( 'm', $rstart ), date( 'd', $rstart ), date( 'Y', $rstart ) ); // on a day-basis !!! + if( $endAllDayEvent && $dtendExist ) + $tend += ( 24 * 3600 ); // alldaysevents has an end date 'day after' meaning this day + $datestring = date( $endDateFormat, $tend ); + if( isset( $end['tz'] )) + $datestring .= ' '.$end['tz']; + $propName = ( !$dueExist ) ? 'X-CURRENT-DTEND' : 'X-CURRENT-DUE'; + $component->setProperty( $propName, $datestring ); + } // end if( $dtendExist || $dueExist || $durationExist ) + $wd = getdate( $rstart ); + $result[$wd['year']][$wd['mon']][$wd['mday']][$compUID] = $component->copy(); // copy to output + $rstart = mktime( date( 'H', $rstart ), date( 'i', $rstart ), date( 's', $rstart ), date( 'm', $rstart ), date( 'd', $rstart ) + 1, date( 'Y', $rstart ) ); // step one day + } // end while( $rstart <= $endWdate ) + } // end if( $split ) - else use component date + elseif( $recurrid && !$flat && !$any && !$split ) + $continue = TRUE; + else { // !$flat && !$split, i.e. no flat array and DTSTART within period + $checkDate = mktime( 0, 0, 0, date( 'm', $startWdate ), date( 'd', $startWdate ), date( 'Y', $startWdate ) ); // on a day-basis !!! + if( !$any || !isset( $exdatelist[$checkDate] )) { // exclude any recurrence date, found in exdatelist + $wd = getdate( $startWdate ); + $result[$wd['year']][$wd['mon']][$wd['mday']][$compUID] = $component->copy(); // copy to output + } + } + } // end if(( $startWdate >= $startDate ) && ( $startWdate <= $endDate )) + + /* if 'any' components, check components with reccurrence rules, removing all excluding dates */ + if( TRUE === $any ) { + /* make a list of optional repeating dates for component occurence, rrule, rdate */ + $recurlist = array(); + while( FALSE !== ( $rrule = $component->getProperty( 'rrule' ))) // check rrule + iCalUtilityFunctions::_recur2date( $recurlist, $rrule, $start, $workstart, $workend ); + foreach( $recurlist as $recurkey => $recurvalue ) // key=match date as timestamp + $recurlist[$recurkey] = $rdurWsecs; // add duration in seconds + while( FALSE !== ( $rdate = $component->getProperty( 'rdate' ))) { // check rdate + foreach( $rdate as $theRdate ) { + if( is_array( $theRdate ) && ( 2 == count( $theRdate )) && // all days within PERIOD + array_key_exists( '0', $theRdate ) && array_key_exists( '1', $theRdate )) { + $rstart = iCalUtilityFunctions::_date2timestamp( $theRdate[0] ); + if(( $rstart < ( $startDate - $rdurWsecs )) || ( $rstart > $endDate )) + continue; + if( isset( $theRdate[1]['year'] )) // date-date period + $rend = iCalUtilityFunctions::_date2timestamp( $theRdate[1] ); + else { // date-duration period + $rend = iCalUtilityFunctions::_duration2date( $theRdate[0], $theRdate[1] ); + $rend = iCalUtilityFunctions::_date2timestamp( $rend ); + } + while( $rstart < $rend ) { + $recurlist[$rstart] = $rdurWsecs; // set start date for recurrence instance + rdate duration in seconds + $rstart = mktime( date( 'H', $rstart ), date( 'i', $rstart ), date( 's', $rstart ), date( 'm', $rstart ), date( 'd', $rstart ) + 1, date( 'Y', $rstart ) ); // step one day + } + } // PERIOD end + else { // single date + $theRdate = iCalUtilityFunctions::_date2timestamp( $theRdate ); + if((( $startDate - $rdurWsecs ) <= $theRdate ) && ( $endDate >= $theRdate )) + $recurlist[$theRdate] = $rdurWsecs; // set start date for recurrence instance + event duration in seconds + } + } + } // end - check rdate + if( 0 < count( $recurlist )) { + ksort( $recurlist ); + $xRecurrence = 1; + $component2 = $component->copy(); + $compUID = $component2->getProperty( 'UID' ); + foreach( $recurlist as $recurkey => $durvalue ) { +// echo "recurKey=".date( 'Y-m-d H:i:s', $recurkey ).' dur='.iCalUtilityFunctions::offsetSec2His( $durvalue )."
\n"; // test ###; + if((( $startDate - $rdurWsecs ) > $recurkey ) || ( $endDate < $recurkey )) // not within period + continue; + $checkDate = mktime( 0, 0, 0, date( 'm', $recurkey ), date( 'd', $recurkey ), date( 'Y', $recurkey ) ); // on a day-basis !!! + if( isset( $exdatelist[$checkDate] )) // check excluded dates + continue; + if( $startWdate >= $recurkey ) // exclude component start date + continue; + $rstart = $recurkey; + $rend = $recurkey + $durvalue; + /* add repeating components within valid dates to output array, only start date set */ + if( $flat ) { + if( !isset( $result[$compUID] )) // only one comp + $result[$compUID] = $component2->copy(); // copy to output + } + /* add repeating components within valid dates to output array, one each day */ + elseif( $split ) { + if( $rend > $endDate ) + $rend = $endDate; + $startYMD = date( 'Ymd', $rstart ); + $endYMD = date( 'Ymd', $rend ); +// echo "splitStart=".date( 'Y-m-d H:i:s', $rstart ).' end='.date( 'Y-m-d H:i:s', $rend )."
\n"; // test ###; + while( $rstart <= $rend ) { // iterate.. . + $checkDate = mktime( 0, 0, 0, date( 'm', $rstart ), date( 'd', $rstart ), date( 'Y', $rstart ) ); // on a day-basis !!! + if( isset( $exdatelist[$checkDate] )) // exclude any recurrence START date, found in exdatelist + break; +// echo "checking date after startdate=".date( 'Y-m-d H:i:s', $rstart ).' mot '.date( 'Y-m-d H:i:s', $startDate )."
"; // test ###; + if( $rstart >= $startDate ) { // date after dtstart + if( date( 'Ymd', $rstart ) > $startYMD ) // date after dtstart + $datestring = date( $startDateFormat, $checkDate ); + else + $datestring = date( $startDateFormat, $rstart ); + if( isset( $start['tz'] )) + $datestring .= ' '.$start['tz']; +//echo "X-CURRENT-DTSTART 1 = $datestring xRecurrence=$xRecurrence tcnt =".++$tcnt."
";$component2->setProperty( 'X-CNT', $tcnt ); // test ### + $component2->setProperty( 'X-CURRENT-DTSTART', $datestring ); + if( $dtendExist || $dueExist || $durationExist ) { + if( date( 'Ymd', $rstart ) < $endYMD ) // not the last day + $tend = mktime( 23, 59, 59, date( 'm', $rstart ), date( 'd', $rstart ), date( 'Y', $rstart )); + else + $tend = mktime( date( 'H', $endWdate ), date( 'i', $endWdate ), date( 's', $endWdate ), date( 'm', $rstart ), date( 'd', $rstart ), date( 'Y', $rstart ) ); // on a day-basis !!! + if( $endAllDayEvent && $dtendExist ) + $tend += ( 24 * 3600 ); // alldaysevents has an end date 'day after' meaning this day + $datestring = date( $endDateFormat, $tend ); + if( isset( $end['tz'] )) + $datestring .= ' '.$end['tz']; + $propName = ( !$dueExist ) ? 'X-CURRENT-DTEND' : 'X-CURRENT-DUE'; + $component2->setProperty( $propName, $datestring ); + } // end if( $dtendExist || $dueExist || $durationExist ) + $component2->setProperty( 'X-RECURRENCE', $xRecurrence ); + $wd = getdate( $rstart ); + $result[$wd['year']][$wd['mon']][$wd['mday']][$compUID] = $component2->copy(); // copy to output + } // end if( $checkDate > $startYMD ) { // date after dtstart + $rstart = mktime( date( 'H', $rstart ), date( 'i', $rstart ), date( 's', $rstart ), date( 'm', $rstart ), date( 'd', $rstart ) + 1, date( 'Y', $rstart ) ); // step one day + } // end while( $rstart <= $rend ) + $xRecurrence += 1; + } // end elseif( $split ) + elseif( $rstart >= $startDate ) { // date within period //* flat=FALSE && split=FALSE => one comp every recur startdate *// + $checkDate = mktime( 0, 0, 0, date( 'm', $rstart ), date( 'd', $rstart ), date( 'Y', $rstart ) ); // on a day-basis !!! + if( !isset( $exdatelist[$checkDate] )) { // exclude any recurrence START date, found in exdatelist + $xRecurrence += 1; + $datestring = date( $startDateFormat, $rstart ); + if( isset( $start['tz'] )) + $datestring .= ' '.$start['tz']; +//echo "X-CURRENT-DTSTART 2 = $datestring xRecurrence=$xRecurrence tcnt =".++$tcnt."
";$component2->setProperty( 'X-CNT', $tcnt ); // test ### + $component2->setProperty( 'X-CURRENT-DTSTART', $datestring ); + if( $dtendExist || $dueExist || $durationExist ) { + $tend = $rstart + $rdurWsecs; + if( date( 'Ymd', $tend ) < date( 'Ymd', $endWdate )) + $tend = mktime( 23, 59, 59, date( 'm', $tend ), date( 'd', $tend ), date( 'Y', $tend )); + else + $tend = mktime( date( 'H', $endWdate ), date( 'i', $endWdate ), date( 's', $endWdate ), date( 'm', $tend ), date( 'd', $tend ), date( 'Y', $tend ) ); // on a day-basis !!! + if( $endAllDayEvent && $dtendExist ) + $tend += ( 24 * 3600 ); // alldaysevents has an end date 'day after' meaning this day + $datestring = date( $endDateFormat, $tend ); + if( isset( $end['tz'] )) + $datestring .= ' '.$end['tz']; + $propName = ( !$dueExist ) ? 'X-CURRENT-DTEND' : 'X-CURRENT-DUE'; + $component2->setProperty( $propName, $datestring ); + } // end if( $dtendExist || $dueExist || $durationExist ) + $component2->setProperty( 'X-RECURRENCE', $xRecurrence ); + $wd = getdate( $rstart ); + $result[$wd['year']][$wd['mon']][$wd['mday']][$compUID] = $component2->copy(); // copy to output + } // end if( !isset( $exdatelist[$checkDate] )) + } // end elseif( $rstart >= $startDate ) + } // end foreach( $recurlist as $recurkey => $durvalue ) + } // end if( 0 < count( $recurlist )) + /* deselect components with startdate/enddate not within period */ + if(( $endWdate < $startDate ) || ( $startWdate > $endDate )) + continue; + } // end if( TRUE === $any ) + } // end foreach ( $this->components as $cix => $component ) + if( 0 >= count( $result )) return FALSE; + elseif( !$flat ) { + foreach( $result as $y => $yeararr ) { + foreach( $yeararr as $m => $montharr ) { + foreach( $montharr as $d => $dayarr ) { + if( empty( $result[$y][$m][$d] )) + unset( $result[$y][$m][$d] ); + else + $result[$y][$m][$d] = array_values( $dayarr ); // skip tricky UID-index, hoping they are in hour order.. . + } + if( empty( $result[$y][$m] )) + unset( $result[$y][$m] ); + else + ksort( $result[$y][$m] ); + } + if( empty( $result[$y] )) + unset( $result[$y] ); + else + ksort( $result[$y] ); + } + if( empty( $result )) + unset( $result ); + else + ksort( $result ); + } // end elseif( !$flat ) + if( 0 >= count( $result )) + return FALSE; + return $result; + } +/** + * select components from calendar on based on specific property value(-s) + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.13.4 - 2012-08-07 + * @param array $selectOptions, (string) key => (mixed) value, (key=propertyName) + * @return array + */ + function selectComponents2( $selectOptions ) { + $output = array(); + $allowedComps = array('vevent', 'vtodo', 'vjournal', 'vfreebusy' ); + $allowedProperties = array( 'ATTENDEE', 'CATEGORIES', 'CONTACT', 'LOCATION', 'ORGANIZER', 'PRIORITY', 'RELATED-TO', 'RESOURCES', 'STATUS', 'SUMMARY', 'UID', 'URL' ); + foreach( $this->components as $cix => $component3 ) { + if( !in_array( $component3->objName, $allowedComps )) + continue; + $uid = $component3->getProperty( 'UID' ); + foreach( $selectOptions as $propName => $pvalue ) { + $propName = strtoupper( $propName ); + if( !in_array( $propName, $allowedProperties )) + continue; + if( !is_array( $pvalue )) + $pvalue = array( $pvalue ); + if(( 'UID' == $propName ) && in_array( $uid, $pvalue )) { + $output[] = $component3->copy(); + continue; + } + elseif(( 'ATTENDEE' == $propName ) || ( 'CATEGORIES' == $propName ) || ( 'CONTACT' == $propName ) || ( 'RELATED-TO' == $propName ) || ( 'RESOURCES' == $propName )) { // multiple occurrence? + $propValues = array(); + $component3->_getProperties( $propName, $propValues ); + $propValues = array_keys( $propValues ); + foreach( $pvalue as $theValue ) { + if( in_array( $theValue, $propValues ) && !isset( $output[$uid] )) { + $output[$uid] = $component3->copy(); + break; + } + } + continue; + } // end elseif( // multiple occurrence? + elseif( FALSE === ( $d = $component3->getProperty( $propName ))) // single occurrence + continue; + if( is_array( $d )) { + foreach( $d as $part ) { + if( in_array( $part, $pvalue ) && !isset( $output[$uid] )) + $output[$uid] = $component3->copy(); + } + } + elseif(( 'SUMMARY' == $propName ) && !isset( $output[$uid] )) { + foreach( $pvalue as $pval ) { + if( FALSE !== stripos( $d, $pval )) { + $output[$uid] = $component3->copy(); + break; + } + } + } + elseif( in_array( $d, $pvalue ) && !isset( $output[$uid] )) + $output[$uid] = $component3->copy(); + } // end foreach( $selectOptions as $propName => $pvalue ) { + } // end foreach( $this->components as $cix => $component3 ) { + if( !empty( $output )) { + ksort( $output ); + $output = array_values( $output ); + } + return $output; + } +/** + * add calendar component to container + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.8.8 - 2011-03-15 + * @param object $component calendar component + * @param mixed $arg1 optional, ordno/component type/ component uid + * @param mixed $arg2 optional, ordno if arg1 = component type + * @return void + */ + function setComponent( $component, $arg1=FALSE, $arg2=FALSE ) { + $component->setConfig( $this->getConfig(), FALSE, TRUE ); + if( !in_array( $component->objName, array( 'valarm', 'vtimezone' ))) { + /* make sure dtstamp and uid is set */ + $dummy1 = $component->getProperty( 'dtstamp' ); + $dummy2 = $component->getProperty( 'uid' ); + } + if( !$arg1 ) { // plain insert, last in chain + $this->components[] = $component->copy(); + return TRUE; + } + $argType = $index = null; + if ( ctype_digit( (string) $arg1 )) { // index insert/replace + $argType = 'INDEX'; + $index = (int) $arg1 - 1; + } + elseif( in_array( strtolower( $arg1 ), array( 'vevent', 'vtodo', 'vjournal', 'vfreebusy', 'valarm', 'vtimezone' ))) { + $argType = strtolower( $arg1 ); + $index = ( ctype_digit( (string) $arg2 )) ? ((int) $arg2) - 1 : 0; + } + // else if arg1 is set, arg1 must be an UID + $cix1sC = 0; + foreach ( $this->components as $cix => $component2) { + if( empty( $component2 )) continue; + if(( 'INDEX' == $argType ) && ( $index == $cix )) { // index insert/replace + $this->components[$cix] = $component->copy(); + return TRUE; + } + elseif( $argType == $component2->objName ) { // component Type index insert/replace + if( $index == $cix1sC ) { + $this->components[$cix] = $component->copy(); + return TRUE; + } + $cix1sC++; + } + elseif( !$argType && ( $arg1 == $component2->getProperty( 'uid' ))) { // UID insert/replace + $this->components[$cix] = $component->copy(); + return TRUE; + } + } + /* arg1=index and not found.. . insert at index .. .*/ + if( 'INDEX' == $argType ) { + $this->components[$index] = $component->copy(); + ksort( $this->components, SORT_NUMERIC ); + } + else /* not found.. . insert last in chain anyway .. .*/ + $this->components[] = $component->copy(); + return TRUE; + } +/** + * sort iCal compoments + * + * ascending sort on properties (if exist) x-current-dtstart, dtstart, + * x-current-dtend, dtend, x-current-due, due, duration, created, dtstamp, uid if called without arguments, + * otherwise sorting on specific (argument) property values + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.13.4 - 2012-08-07 + * @param string $sortArg, optional + * @return void + * + */ + function sort( $sortArg=FALSE ) { + if( is_array( $this->components )) { + if( $sortArg ) { + $sortArg = strtoupper( $sortArg ); + if( !in_array( $sortArg, array( 'ATTENDEE', 'CATEGORIES', 'CONTACT', 'DTSTAMP', 'LOCATION', 'ORGANIZER', 'PRIORITY', 'RELATED-TO', 'RESOURCES', 'STATUS', 'SUMMARY', 'URL' ))) + $sortArg = FALSE; + } + /* set sort parameters for each component */ + foreach( $this->components as $cix => & $c ) { + $c->srtk = array( '0', '0', '0', '0' ); + if( 'vtimezone' == $c->objName ) { + if( FALSE === ( $c->srtk[0] = $c->getProperty( 'tzid' ))) + $c->srtk[0] = 0; + continue; + } + elseif( $sortArg ) { + if(( 'ATTENDEE' == $sortArg ) || ( 'CATEGORIES' == $sortArg ) || ( 'CONTACT' == $sortArg ) || ( 'RELATED-TO' == $sortArg ) || ( 'RESOURCES' == $sortArg )) { + $propValues = array(); + $c->_getProperties( $sortArg, $propValues ); + if( !empty( $propValues )) { + $sk = array_keys( $propValues ); + $c->srtk[0] = $sk[0]; + if( 'RELATED-TO' == $sortArg ) + $c->srtk[0] .= $c->getProperty( 'uid' ); + } + elseif( 'RELATED-TO' == $sortArg ) + $c->srtk[0] = $c->getProperty( 'uid' ); + } + elseif( FALSE !== ( $d = $c->getProperty( $sortArg ))) + $c->srtk[0] = $d; + continue; + } + if( FALSE !== ( $d = $c->getProperty( 'X-CURRENT-DTSTART' ))) { + $c->srtk[0] = iCalUtilityFunctions::_strdate2date( $d[1] ); + unset( $c->srtk[0]['unparsedtext'] ); + } + elseif( FALSE === ( $c->srtk[0] = $c->getProperty( 'dtstart' ))) + $c->srtk[1] = 0; // sortkey 0 : dtstart + if( FALSE !== ( $d = $c->getProperty( 'X-CURRENT-DTEND' ))) { + $c->srtk[1] = iCalUtilityFunctions::_strdate2date( $d[1] ); // sortkey 1 : dtend/due(/dtstart+duration) + unset( $c->srtk[1]['unparsedtext'] ); + } + elseif( FALSE === ( $c->srtk[1] = $c->getProperty( 'dtend' ))) { + if( FALSE !== ( $d = $c->getProperty( 'X-CURRENT-DUE' ))) { + $c->srtk[1] = iCalUtilityFunctions::_strdate2date( $d[1] ); + unset( $c->srtk[1]['unparsedtext'] ); + } + elseif( FALSE === ( $c->srtk[1] = $c->getProperty( 'due' ))) + if( FALSE === ( $c->srtk[1] = $c->getProperty( 'duration', FALSE, FALSE, TRUE ))) + $c->srtk[1] = 0; + } + if( FALSE === ( $c->srtk[2] = $c->getProperty( 'created' ))) // sortkey 2 : created/dtstamp + if( FALSE === ( $c->srtk[2] = $c->getProperty( 'dtstamp' ))) + $c->srtk[2] = 0; + if( FALSE === ( $c->srtk[3] = $c->getProperty( 'uid' ))) // sortkey 3 : uid + $c->srtk[3] = 0; + } // end foreach( $this->components as & $c + /* sort */ + usort( $this->components, array( $this, '_cmpfcn' )); + } + } + function _cmpfcn( $a, $b ) { + if( empty( $a )) return -1; + if( empty( $b )) return 1; + if( 'vtimezone' == $a->objName ) { + if( 'vtimezone' != $b->objName ) return -1; + elseif( $a->srtk[0] <= $b->srtk[0] ) return -1; + else return 1; + } + elseif( 'vtimezone' == $b->objName ) return 1; + $sortkeys = array( 'year', 'month', 'day', 'hour', 'min', 'sec' ); + for( $k = 0; $k < 4 ; $k++ ) { + if( empty( $a->srtk[$k] )) return -1; + elseif( empty( $b->srtk[$k] )) return 1; + if( is_array( $a->srtk[$k] )) { + if( is_array( $b->srtk[$k] )) { + foreach( $sortkeys as $key ) { + if ( !isset( $a->srtk[$k][$key] )) return -1; + elseif( !isset( $b->srtk[$k][$key] )) return 1; + if ( empty( $a->srtk[$k][$key] )) return -1; + elseif( empty( $b->srtk[$k][$key] )) return 1; + if ( $a->srtk[$k][$key] == $b->srtk[$k][$key]) + continue; + if (( (int) $a->srtk[$k][$key] ) < ((int) $b->srtk[$k][$key] )) + return -1; + elseif(( (int) $a->srtk[$k][$key] ) > ((int) $b->srtk[$k][$key] )) + return 1; + } + } + else return -1; + } + elseif( is_array( $b->srtk[$k] )) return 1; + elseif( $a->srtk[$k] < $b->srtk[$k] ) return -1; + elseif( $a->srtk[$k] > $b->srtk[$k] ) return 1; + } + return 0; + } +/** + * parse iCal text/file into vcalendar, components, properties and parameters + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.15.10 - 2012-10-28 + * @param mixed $unparsedtext, optional, strict rfc2445 formatted, single property string or array of property strings + * @return bool FALSE if error occurs during parsing + * + */ + function parse( $unparsedtext=FALSE ) { + $nl = $this->getConfig( 'nl' ); + if(( FALSE === $unparsedtext ) || empty( $unparsedtext )) { + /* directory+filename is set previously via setConfig directory+filename or url */ + if( FALSE === ( $filename = $this->getConfig( 'url' ))) + $filename = $this->getConfig( 'dirfile' ); + /* READ FILE */ + if( FALSE === ( $rows = file_get_contents( $filename ))) + return FALSE; /* err 1 */ + } + elseif( is_array( $unparsedtext )) + $rows = implode( '\n'.$nl, $unparsedtext ); + else + $rows = & $unparsedtext; + /* fix line folding */ + $rows = explode( $nl, iCalUtilityFunctions::convEolChar( $rows, $nl )); + /* skip leading (empty/invalid) lines */ + foreach( $rows as $lix => $line ) { + if( FALSE !== stripos( $line, 'BEGIN:VCALENDAR' )) + break; + unset( $rows[$lix] ); + } + $rcnt = count( $rows ); + if( 3 > $rcnt ) /* err 10 */ + return FALSE; + /* skip trailing empty lines and ensure an end row */ + $lix = array_keys( $rows ); + $lix = end( $lix ); + while( 3 < $lix ) { + $tst = trim( $rows[$lix] ); + if(( '\n' == $tst ) || empty( $tst )) { + unset( $rows[$lix] ); + $lix--; + continue; + } + if( FALSE === stripos( $rows[$lix], 'END:VCALENDAR' )) + $rows[] = 'END:VCALENDAR'; + break; + } + $comp = & $this; + $calsync = $compsync = 0; + /* identify components and update unparsed data within component */ + $config = $this->getConfig(); + $endtxt = array( 'END:VE', 'END:VF', 'END:VJ', 'END:VT' ); + foreach( $rows as $lix => $line ) { + if( 'BEGIN:VCALENDAR' == strtoupper( substr( $line, 0, 15 ))) { + $calsync++; + continue; + } + elseif( 'END:VCALENDAR' == strtoupper( substr( $line, 0, 13 ))) { + if( 0 < $compsync ) + $this->components[] = $comp->copy(); + $compsync--; + $calsync--; + break; + } + elseif( 1 != $calsync ) + return FALSE; /* err 20 */ + elseif( in_array( strtoupper( substr( $line, 0, 6 )), $endtxt )) { + $this->components[] = $comp->copy(); + $compsync--; + continue; + } + if( 'BEGIN:VEVENT' == strtoupper( substr( $line, 0, 12 ))) { + $comp = new vevent( $config ); + $compsync++; + } + elseif( 'BEGIN:VFREEBUSY' == strtoupper( substr( $line, 0, 15 ))) { + $comp = new vfreebusy( $config ); + $compsync++; + } + elseif( 'BEGIN:VJOURNAL' == strtoupper( substr( $line, 0, 14 ))) { + $comp = new vjournal( $config ); + $compsync++; + } + elseif( 'BEGIN:VTODO' == strtoupper( substr( $line, 0, 11 ))) { + $comp = new vtodo( $config ); + $compsync++; + } + elseif( 'BEGIN:VTIMEZONE' == strtoupper( substr( $line, 0, 15 ))) { + $comp = new vtimezone( $config ); + $compsync++; + } + else { /* update component with unparsed data */ + $comp->unparsed[] = $line; + } + } // end foreach( $rows as $line ) + unset( $config, $endtxt ); + /* parse data for calendar (this) object */ + if( isset( $this->unparsed ) && is_array( $this->unparsed ) && ( 0 < count( $this->unparsed ))) { + /* concatenate property values spread over several lines */ + $propnames = array( 'calscale','method','prodid','version','x-' ); + $proprows = array(); + for( $i = 0; $i < count( $this->unparsed ); $i++ ) { // concatenate lines + $line = rtrim( $this->unparsed[$i], $nl ); + while( isset( $this->unparsed[$i+1] ) && !empty( $this->unparsed[$i+1] ) && ( ' ' == $this->unparsed[$i+1]{0} )) + $line .= rtrim( substr( $this->unparsed[++$i], 1 ), $nl ); + $proprows[] = $line; + } + $paramMStz = array( 'utc-', 'utc+', 'gmt-', 'gmt+' ); + $paramProto3 = array( 'fax:', 'cid:', 'sms:', 'tel:', 'urn:' ); + $paramProto4 = array( 'crid:', 'news:', 'pres:' ); + foreach( $proprows as $line ) { + if( '\n' == substr( $line, -2 )) + $line = substr( $line, 0, -2 ); + /* get property name */ + $propname = ''; + $cix = 0; + while( FALSE !== ( $char = substr( $line, $cix, 1 ))) { + if( in_array( $char, array( ':', ';' ))) + break; + else + $propname .= $char; + $cix++; + } + /* skip non standard property names */ + if(( 'x-' != strtolower( substr( $propname, 0, 2 ))) && !in_array( strtolower( $propname ), $propnames )) + continue; + /* ignore version/prodid properties */ + if( in_array( strtolower( $propname ), array( 'version', 'prodid' ))) + continue; + /* rest of the line is opt.params and value */ + $line = substr( $line, $cix); + /* separate attributes from value */ + $attr = array(); + $attrix = -1; + $strlen = strlen( $line ); + $WithinQuotes = FALSE; + $cix = 0; + while( FALSE !== substr( $line, $cix, 1 )) { + if( ( ':' == $line[$cix] ) && + ( substr( $line,$cix, 3 ) != '://' ) && + ( !in_array( strtolower( substr( $line,$cix - 6, 4 )), $paramMStz )) && + ( !in_array( strtolower( substr( $line,$cix - 3, 4 )), $paramProto3 )) && + ( !in_array( strtolower( substr( $line,$cix - 4, 5 )), $paramProto4 )) && + ( strtolower( substr( $line,$cix - 6, 7 )) != 'mailto:' ) && + !$WithinQuotes ) { + $attrEnd = TRUE; + if(( $cix < ( $strlen - 4 )) && + ctype_digit( substr( $line, $cix+1, 4 ))) { // an URI with a (4pos) portnr?? + for( $c2ix = $cix; 3 < $c2ix; $c2ix-- ) { + if( '://' == substr( $line, $c2ix - 2, 3 )) { + $attrEnd = FALSE; + break; // an URI with a portnr!! + } + } + } + if( $attrEnd) { + $line = substr( $line, ( $cix + 1 )); + break; + } + } + if( '"' == $line[$cix] ) + $WithinQuotes = ( FALSE === $WithinQuotes ) ? TRUE : FALSE; + if( ';' == $line[$cix] ) + $attr[++$attrix] = null; + else + $attr[$attrix] .= $line[$cix]; + $cix++; + } + /* make attributes in array format */ + $propattr = array(); + foreach( $attr as $attribute ) { + $attrsplit = explode( '=', $attribute, 2 ); + if( 1 < count( $attrsplit )) + $propattr[$attrsplit[0]] = $attrsplit[1]; + else + $propattr[] = $attribute; + } + /* update Property */ + if( FALSE !== strpos( $line, ',' )) { + $content = array( 0 => '' ); + $cix = $lix = 0; + while( FALSE !== substr( $line, $lix, 1 )) { + if(( 0 < $lix ) && ( ',' == $line[$lix] ) && ( "\\" != $line[( $lix - 1 )])) { + $cix++; + $content[$cix] = ''; + } + else + $content[$cix] .= $line[$lix]; + $lix++; + } + if( 1 < count( $content )) { + foreach( $content as $cix => $contentPart ) + $content[$cix] = calendarComponent::_strunrep( $contentPart ); + $this->setProperty( $propname, $content, $propattr ); + continue; + } + else + $line = reset( $content ); + $line = calendarComponent::_strunrep( $line ); + } + $this->setProperty( $propname, rtrim( $line, "\x00..\x1F" ), $propattr ); + } // end - foreach( $this->unparsed.. . + } // end - if( is_array( $this->unparsed.. . + unset( $unparsedtext, $rows, $this->unparsed, $proprows ); + /* parse Components */ + if( is_array( $this->components ) && ( 0 < count( $this->components ))) { + $ckeys = array_keys( $this->components ); + foreach( $ckeys as $ckey ) { + if( !empty( $this->components[$ckey] ) && !empty( $this->components[$ckey]->unparsed )) { + $this->components[$ckey]->parse(); + } + } + } + else + return FALSE; /* err 91 or something.. . */ + return TRUE; + } +/*********************************************************************************/ +/** + * creates formatted output for calendar object instance + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.10.16 - 2011-10-28 + * @return string + */ + function createCalendar() { + $calendarInit = $calendarxCaldecl = $calendarStart = $calendar = ''; + switch( $this->format ) { + case 'xcal': + $calendarInit = ''.$this->nl. + 'nl. + '"http://www.ietf.org/internet-drafts/draft-ietf-calsch-many-xcal-01.txt"'; + $calendarStart = '>'.$this->nl.'nl; + break; + } + $calendarStart .= $this->createVersion(); + $calendarStart .= $this->createProdid(); + $calendarStart .= $this->createCalscale(); + $calendarStart .= $this->createMethod(); + if( 'xcal' == $this->format ) + $calendarStart .= '>'.$this->nl; + $calendar .= $this->createXprop(); + + foreach( $this->components as $component ) { + if( empty( $component )) continue; + $component->setConfig( $this->getConfig(), FALSE, TRUE ); + $calendar .= $component->createComponent( $this->xcaldecl ); + } + if(( 'xcal' == $this->format ) && ( 0 < count( $this->xcaldecl ))) { // xCal only + $calendarInit .= ' ['; + $old_xcaldecl = array(); + foreach( $this->xcaldecl as $declix => $declPart ) { + if(( 0 < count( $old_xcaldecl)) && + isset( $declPart['uri'] ) && isset( $declPart['external'] ) && + isset( $old_xcaldecl['uri'] ) && isset( $old_xcaldecl['external'] ) && + ( in_array( $declPart['uri'], $old_xcaldecl['uri'] )) && + ( in_array( $declPart['external'], $old_xcaldecl['external'] ))) + continue; // no duplicate uri and ext. references + if(( 0 < count( $old_xcaldecl)) && + !isset( $declPart['uri'] ) && !isset( $declPart['uri'] ) && + isset( $declPart['ref'] ) && isset( $old_xcaldecl['ref'] ) && + ( in_array( $declPart['ref'], $old_xcaldecl['ref'] ))) + continue; // no duplicate element declarations + $calendarxCaldecl .= $this->nl.' $declValue ) { + switch( $declKey ) { // index + case 'xmldecl': // no 1 + $calendarxCaldecl .= $declValue.' '; + break; + case 'uri': // no 2 + $calendarxCaldecl .= $declValue.' '; + $old_xcaldecl['uri'][] = $declValue; + break; + case 'ref': // no 3 + $calendarxCaldecl .= $declValue.' '; + $old_xcaldecl['ref'][] = $declValue; + break; + case 'external': // no 4 + $calendarxCaldecl .= '"'.$declValue.'" '; + $old_xcaldecl['external'][] = $declValue; + break; + case 'type': // no 5 + $calendarxCaldecl .= $declValue.' '; + break; + case 'type2': // no 6 + $calendarxCaldecl .= $declValue; + break; + } + } + $calendarxCaldecl .= '>'; + } + $calendarxCaldecl .= $this->nl.']'; + } + switch( $this->format ) { + case 'xcal': + $calendar .= ''.$this->nl; + break; + default: + $calendar .= 'END:VCALENDAR'.$this->nl; + break; + } + return $calendarInit.$calendarxCaldecl.$calendarStart.$calendar; + } +/** + * a HTTP redirect header is sent with created, updated and/or parsed calendar + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.10.24 - 2011-12-23 + * @param bool $utf8Encode + * @param bool $gzip + * @return redirect + */ + function returnCalendar( $utf8Encode=FALSE, $gzip=FALSE ) { + $filename = $this->getConfig( 'filename' ); + $output = $this->createCalendar(); + if( $utf8Encode ) + $output = utf8_encode( $output ); + if( $gzip ) { + $output = gzencode( $output, 9 ); + header( 'Content-Encoding: gzip' ); + header( 'Vary: *' ); + header( 'Content-Length: '.strlen( $output )); + } + if( 'xcal' == $this->format ) + header( 'Content-Type: application/calendar+xml; charset=utf-8' ); + else + header( 'Content-Type: text/calendar; charset=utf-8' ); + header( 'Content-Disposition: attachment; filename="'.$filename.'"' ); + header( 'Cache-Control: max-age=10' ); + die( $output ); + } +/** + * save content in a file + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.2.12 - 2007-12-30 + * @param string $directory optional + * @param string $filename optional + * @param string $delimiter optional + * @return bool + */ + function saveCalendar( $directory=FALSE, $filename=FALSE, $delimiter=FALSE ) { + if( $directory ) + $this->setConfig( 'directory', $directory ); + if( $filename ) + $this->setConfig( 'filename', $filename ); + if( $delimiter && ($delimiter != DIRECTORY_SEPARATOR )) + $this->setConfig( 'delimiter', $delimiter ); + if( FALSE === ( $dirfile = $this->getConfig( 'url' ))) + $dirfile = $this->getConfig( 'dirfile' ); + $iCalFile = @fopen( $dirfile, 'w' ); + if( $iCalFile ) { + if( FALSE === fwrite( $iCalFile, $this->createCalendar() )) + return FALSE; + fclose( $iCalFile ); + return TRUE; + } + else + return FALSE; + } +/** + * if recent version of calendar file exists (default one hour), an HTTP redirect header is sent + * else FALSE is returned + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.2.12 - 2007-10-28 + * @param string $directory optional alt. int timeout + * @param string $filename optional + * @param string $delimiter optional + * @param int timeout optional, default 3600 sec + * @return redirect/FALSE + */ + function useCachedCalendar( $directory=FALSE, $filename=FALSE, $delimiter=FALSE, $timeout=3600) { + if ( $directory && ctype_digit( (string) $directory ) && !$filename ) { + $timeout = (int) $directory; + $directory = FALSE; + } + if( $directory ) + $this->setConfig( 'directory', $directory ); + if( $filename ) + $this->setConfig( 'filename', $filename ); + if( $delimiter && ( $delimiter != DIRECTORY_SEPARATOR )) + $this->setConfig( 'delimiter', $delimiter ); + $filesize = $this->getConfig( 'filesize' ); + if( 0 >= $filesize ) + return FALSE; + $dirfile = $this->getConfig( 'dirfile' ); + if( time() - filemtime( $dirfile ) < $timeout) { + clearstatcache(); + $dirfile = $this->getConfig( 'dirfile' ); + $filename = $this->getConfig( 'filename' ); +// if( headers_sent( $filename, $linenum )) +// die( "Headers already sent in $filename on line $linenum\n" ); + if( 'xcal' == $this->format ) + header( 'Content-Type: application/calendar+xml; charset=utf-8' ); + else + header( 'Content-Type: text/calendar; charset=utf-8' ); + header( 'Content-Length: '.$filesize ); + header( 'Content-Disposition: attachment; filename="'.$filename.'"' ); + header( 'Cache-Control: max-age=10' ); + $fp = @fopen( $dirfile, 'r' ); + if( $fp ) { + fpassthru( $fp ); + fclose( $fp ); + } + die(); + } + else + return FALSE; + } +} +/*********************************************************************************/ +/*********************************************************************************/ +/** + * abstract class for calendar components + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.9.6 - 2011-05-14 + */ +class calendarComponent { + // component property variables + var $uid; + var $dtstamp; + + // component config variables + var $allowEmpty; + var $language; + var $nl; + var $unique_id; + var $format; + var $objName; // created automatically at instance creation + var $dtzid; // default (local) timezone + // component internal variables + var $componentStart1; + var $componentStart2; + var $componentEnd1; + var $componentEnd2; + var $elementStart1; + var $elementStart2; + var $elementEnd1; + var $elementEnd2; + var $intAttrDelimiter; + var $attributeDelimiter; + var $valueInit; + // component xCal declaration container + var $xcaldecl; +/** + * constructor for calendar component object + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.9.6 - 2011-05-17 + */ + function calendarComponent() { + $this->objName = ( isset( $this->timezonetype )) ? + strtolower( $this->timezonetype ) : get_class ( $this ); + $this->uid = array(); + $this->dtstamp = array(); + + $this->language = null; + $this->nl = null; + $this->unique_id = null; + $this->format = null; + $this->dtzid = null; + $this->allowEmpty = TRUE; + $this->xcaldecl = array(); + + $this->_createFormat(); + $this->_makeDtstamp(); + } +/*********************************************************************************/ +/** + * Property Name: ACTION + */ +/** + * creates formatted output for calendar component property action + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-10-22 + * @return string + */ + function createAction() { + if( empty( $this->action )) return FALSE; + if( empty( $this->action['value'] )) + return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'ACTION' ) : FALSE; + $attributes = $this->_createParams( $this->action['params'] ); + return $this->_createElement( 'ACTION', $attributes, $this->action['value'] ); + } +/** + * set calendar component property action + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-11-04 + * @param string $value "AUDIO" / "DISPLAY" / "EMAIL" / "PROCEDURE" + * @param mixed $params + * @return bool + */ + function setAction( $value, $params=FALSE ) { + if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE; + $this->action = array( 'value' => $value, 'params' => iCalUtilityFunctions::_setParams( $params )); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: ATTACH + */ +/** + * creates formatted output for calendar component property attach + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.11.16 - 2012-02-04 + * @return string + */ + function createAttach() { + if( empty( $this->attach )) return FALSE; + $output = null; + foreach( $this->attach as $attachPart ) { + if( !empty( $attachPart['value'] )) { + $attributes = $this->_createParams( $attachPart['params'] ); + if(( 'xcal' != $this->format ) && isset( $attachPart['params']['VALUE'] ) && ( 'BINARY' == $attachPart['params']['VALUE'] )) { + $attributes = str_replace( $this->intAttrDelimiter, $this->attributeDelimiter, $attributes ); + $str = 'ATTACH'.$attributes.$this->valueInit.$attachPart['value']; + $output = substr( $str, 0, 75 ).$this->nl; + $str = substr( $str, 75 ); + $output .= ' '.chunk_split( $str, 74, $this->nl.' ' ); + if( ' ' == substr( $output, -1 )) + $output = rtrim( $output ); + if( $this->nl != substr( $output, ( 0 - strlen( $this->nl )))) + $output .= $this->nl; + return $output; + } + $output .= $this->_createElement( 'ATTACH', $attributes, $attachPart['value'] ); + } + elseif( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'ATTACH' ); + } + return $output; + } +/** + * set calendar component property attach + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.5.1 - 2008-11-06 + * @param string $value + * @param array $params, optional + * @param integer $index, optional + * @return bool + */ + function setAttach( $value, $params=FALSE, $index=FALSE ) { + if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE; + iCalUtilityFunctions::_setMval( $this->attach, $value, $params, FALSE, $index ); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: ATTENDEE + */ +/** + * creates formatted output for calendar component property attendee + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.11.12 - 2012-01-31 + * @return string + */ + function createAttendee() { + if( empty( $this->attendee )) return FALSE; + $output = null; + foreach( $this->attendee as $attendeePart ) { // start foreach 1 + if( empty( $attendeePart['value'] )) { + if( $this->getConfig( 'allowEmpty' )) + $output .= $this->_createElement( 'ATTENDEE' ); + continue; + } + $attendee1 = $attendee2 = null; + foreach( $attendeePart as $paramlabel => $paramvalue ) { // start foreach 2 + if( 'value' == $paramlabel ) + $attendee2 .= $paramvalue; + elseif(( 'params' == $paramlabel ) && ( is_array( $paramvalue ))) { // start elseif + $mParams = array( 'MEMBER', 'DELEGATED-TO', 'DELEGATED-FROM' ); + foreach( $paramvalue as $pKey => $pValue ) { // fix (opt) quotes + if( is_array( $pValue ) || in_array( $pKey, $mParams )) + continue; + if(( FALSE !== strpos( $pValue, ':' )) || + ( FALSE !== strpos( $pValue, ';' )) || + ( FALSE !== strpos( $pValue, ',' ))) + $paramvalue[$pKey] = '"'.$pValue.'"'; + } + // set attenddee parameters in rfc2445 order + if( isset( $paramvalue['CUTYPE'] )) + $attendee1 .= $this->intAttrDelimiter.'CUTYPE='.$paramvalue['CUTYPE']; + if( isset( $paramvalue['MEMBER'] )) { + $attendee1 .= $this->intAttrDelimiter.'MEMBER='; + foreach( $paramvalue['MEMBER'] as $cix => $opv ) + $attendee1 .= ( $cix ) ? ',"'.$opv.'"' : '"'.$opv.'"' ; + } + if( isset( $paramvalue['ROLE'] )) + $attendee1 .= $this->intAttrDelimiter.'ROLE='.$paramvalue['ROLE']; + if( isset( $paramvalue['PARTSTAT'] )) + $attendee1 .= $this->intAttrDelimiter.'PARTSTAT='.$paramvalue['PARTSTAT']; + if( isset( $paramvalue['RSVP'] )) + $attendee1 .= $this->intAttrDelimiter.'RSVP='.$paramvalue['RSVP']; + if( isset( $paramvalue['DELEGATED-TO'] )) { + $attendee1 .= $this->intAttrDelimiter.'DELEGATED-TO='; + foreach( $paramvalue['DELEGATED-TO'] as $cix => $opv ) + $attendee1 .= ( $cix ) ? ',"'.$opv.'"' : '"'.$opv.'"' ; + } + if( isset( $paramvalue['DELEGATED-FROM'] )) { + $attendee1 .= $this->intAttrDelimiter.'DELEGATED-FROM='; + foreach( $paramvalue['DELEGATED-FROM'] as $cix => $opv ) + $attendee1 .= ( $cix ) ? ',"'.$opv.'"' : '"'.$opv.'"' ; + } + if( isset( $paramvalue['SENT-BY'] )) + $attendee1 .= $this->intAttrDelimiter.'SENT-BY='.$paramvalue['SENT-BY']; + if( isset( $paramvalue['CN'] )) + $attendee1 .= $this->intAttrDelimiter.'CN='.$paramvalue['CN']; + if( isset( $paramvalue['DIR'] )) { + $delim = ( FALSE === strpos( $paramvalue['DIR'], '"' )) ? '"' : ''; + $attendee1 .= $this->intAttrDelimiter.'DIR='.$delim.$paramvalue['DIR'].$delim; + } + if( isset( $paramvalue['LANGUAGE'] )) + $attendee1 .= $this->intAttrDelimiter.'LANGUAGE='.$paramvalue['LANGUAGE']; + $xparams = array(); + foreach( $paramvalue as $optparamlabel => $optparamvalue ) { // start foreach 3 + if( ctype_digit( (string) $optparamlabel )) { + $xparams[] = $optparamvalue; + continue; + } + if( !in_array( $optparamlabel, array( 'CUTYPE', 'MEMBER', 'ROLE', 'PARTSTAT', 'RSVP', 'DELEGATED-TO', 'DELEGATED-FROM', 'SENT-BY', 'CN', 'DIR', 'LANGUAGE' ))) + $xparams[$optparamlabel] = $optparamvalue; + } // end foreach 3 + ksort( $xparams, SORT_STRING ); + foreach( $xparams as $paramKey => $paramValue ) { + if( ctype_digit( (string) $paramKey )) + $attendee1 .= $this->intAttrDelimiter.$paramValue; + else + $attendee1 .= $this->intAttrDelimiter."$paramKey=$paramValue"; + } // end foreach 3 + } // end elseif(( 'params' == $paramlabel ) && ( is_array( $paramvalue ))) + } // end foreach 2 + $output .= $this->_createElement( 'ATTENDEE', $attendee1, $attendee2 ); + } // end foreach 1 + return $output; + } +/** + * set calendar component property attach + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.12.18 - 2012-07-13 + * @param string $value + * @param array $params, optional + * @param integer $index, optional + * @return bool + */ + function setAttendee( $value, $params=FALSE, $index=FALSE ) { + if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE; + // ftp://, http://, mailto:, file://, gopher://, news:, nntp://, telnet://, wais://, prospero:// may exist.. . also in params + if( !empty( $value )) { + if( FALSE === ( $pos = strpos( substr( $value, 0, 9 ), ':' ))) + $value = 'MAILTO:'.$value; + elseif( !empty( $value )) + $value = strtolower( substr( $value, 0, $pos )).substr( $value, $pos ); + $value = str_replace( 'mailto:', 'MAILTO:', $value ); + } + $params2 = array(); + if( is_array($params )) { + $optarrays = array(); + foreach( $params as $optparamlabel => $optparamvalue ) { + $optparamlabel = strtoupper( $optparamlabel ); + switch( $optparamlabel ) { + case 'MEMBER': + case 'DELEGATED-TO': + case 'DELEGATED-FROM': + if( !is_array( $optparamvalue )) + $optparamvalue = array( $optparamvalue ); + foreach( $optparamvalue as $part ) { + $part = trim( $part ); + if(( '"' == substr( $part, 0, 1 )) && + ( '"' == substr( $part, -1 ))) + $part = substr( $part, 1, ( strlen( $part ) - 2 )); + if( 'mailto:' != strtolower( substr( $part, 0, 7 ))) + $part = "MAILTO:$part"; + else + $part = 'MAILTO:'.substr( $part, 7 ); + $optarrays[$optparamlabel][] = $part; + } + break; + default: + if(( '"' == substr( $optparamvalue, 0, 1 )) && + ( '"' == substr( $optparamvalue, -1 ))) + $optparamvalue = substr( $optparamvalue, 1, ( strlen( $optparamvalue ) - 2 )); + if( 'SENT-BY' == $optparamlabel ) { + if( 'mailto:' != strtolower( substr( $optparamvalue, 0, 7 ))) + $optparamvalue = "MAILTO:$optparamvalue"; + else + $optparamvalue = 'MAILTO:'.substr( $optparamvalue, 7 ); + } + $params2[$optparamlabel] = $optparamvalue; + break; + } // end switch( $optparamlabel.. . + } // end foreach( $optparam.. . + foreach( $optarrays as $optparamlabel => $optparams ) + $params2[$optparamlabel] = $optparams; + } + // remove defaults + iCalUtilityFunctions::_existRem( $params2, 'CUTYPE', 'INDIVIDUAL' ); + iCalUtilityFunctions::_existRem( $params2, 'PARTSTAT', 'NEEDS-ACTION' ); + iCalUtilityFunctions::_existRem( $params2, 'ROLE', 'REQ-PARTICIPANT' ); + iCalUtilityFunctions::_existRem( $params2, 'RSVP', 'FALSE' ); + // check language setting + if( isset( $params2['CN' ] )) { + $lang = $this->getConfig( 'language' ); + if( !isset( $params2['LANGUAGE' ] ) && !empty( $lang )) + $params2['LANGUAGE' ] = $lang; + } + iCalUtilityFunctions::_setMval( $this->attendee, $value, $params2, FALSE, $index ); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: CATEGORIES + */ +/** + * creates formatted output for calendar component property categories + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-10-22 + * @return string + */ + function createCategories() { + if( empty( $this->categories )) return FALSE; + $output = null; + foreach( $this->categories as $category ) { + if( empty( $category['value'] )) { + if ( $this->getConfig( 'allowEmpty' )) + $output .= $this->_createElement( 'CATEGORIES' ); + continue; + } + $attributes = $this->_createParams( $category['params'], array( 'LANGUAGE' )); + if( is_array( $category['value'] )) { + foreach( $category['value'] as $cix => $categoryPart ) + $category['value'][$cix] = $this->_strrep( $categoryPart ); + $content = implode( ',', $category['value'] ); + } + else + $content = $this->_strrep( $category['value'] ); + $output .= $this->_createElement( 'CATEGORIES', $attributes, $content ); + } + return $output; + } +/** + * set calendar component property categories + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.5.1 - 2008-11-06 + * @param mixed $value + * @param array $params, optional + * @param integer $index, optional + * @return bool + */ + function setCategories( $value, $params=FALSE, $index=FALSE ) { + if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE; + iCalUtilityFunctions::_setMval( $this->categories, $value, $params, FALSE, $index ); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: CLASS + */ +/** + * creates formatted output for calendar component property class + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 0.9.7 - 2006-11-20 + * @return string + */ + function createClass() { + if( empty( $this->class )) return FALSE; + if( empty( $this->class['value'] )) + return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'CLASS' ) : FALSE; + $attributes = $this->_createParams( $this->class['params'] ); + return $this->_createElement( 'CLASS', $attributes, $this->class['value'] ); + } +/** + * set calendar component property class + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-11-04 + * @param string $value "PUBLIC" / "PRIVATE" / "CONFIDENTIAL" / iana-token / x-name + * @param array $params optional + * @return bool + */ + function setClass( $value, $params=FALSE ) { + if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE; + $this->class = array( 'value' => $value, 'params' => iCalUtilityFunctions::_setParams( $params )); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: COMMENT + */ +/** + * creates formatted output for calendar component property comment + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-10-22 + * @return string + */ + function createComment() { + if( empty( $this->comment )) return FALSE; + $output = null; + foreach( $this->comment as $commentPart ) { + if( empty( $commentPart['value'] )) { + if( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'COMMENT' ); + continue; + } + $attributes = $this->_createParams( $commentPart['params'], array( 'ALTREP', 'LANGUAGE' )); + $content = $this->_strrep( $commentPart['value'] ); + $output .= $this->_createElement( 'COMMENT', $attributes, $content ); + } + return $output; + } +/** + * set calendar component property comment + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.5.1 - 2008-11-06 + * @param string $value + * @param array $params, optional + * @param integer $index, optional + * @return bool + */ + function setComment( $value, $params=FALSE, $index=FALSE ) { + if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE; + iCalUtilityFunctions::_setMval( $this->comment, $value, $params, FALSE, $index ); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: COMPLETED + */ +/** + * creates formatted output for calendar component property completed + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-10-22 + * @return string + */ + function createCompleted( ) { + if( empty( $this->completed )) return FALSE; + if( !isset( $this->completed['value']['year'] ) && + !isset( $this->completed['value']['month'] ) && + !isset( $this->completed['value']['day'] ) && + !isset( $this->completed['value']['hour'] ) && + !isset( $this->completed['value']['min'] ) && + !isset( $this->completed['value']['sec'] )) + if( $this->getConfig( 'allowEmpty' )) + return $this->_createElement( 'COMPLETED' ); + else return FALSE; + $formatted = iCalUtilityFunctions::_date2strdate( $this->completed['value'], 7 ); + $attributes = $this->_createParams( $this->completed['params'] ); + return $this->_createElement( 'COMPLETED', $attributes, $formatted ); + } +/** + * set calendar component property completed + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-10-23 + * @param mixed $year + * @param mixed $month optional + * @param int $day optional + * @param int $hour optional + * @param int $min optional + * @param int $sec optional + * @param array $params optional + * @return bool + */ + function setCompleted( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $params=FALSE ) { + if( empty( $year )) { + if( $this->getConfig( 'allowEmpty' )) { + $this->completed = array( 'value' => null, 'params' => iCalUtilityFunctions::_setParams( $params )); + return TRUE; + } + else + return FALSE; + } + $this->completed = iCalUtilityFunctions::_setDate2( $year, $month, $day, $hour, $min, $sec, $params ); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: CONTACT + */ +/** + * creates formatted output for calendar component property contact + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-10-23 + * @return string + */ + function createContact() { + if( empty( $this->contact )) return FALSE; + $output = null; + foreach( $this->contact as $contact ) { + if( !empty( $contact['value'] )) { + $attributes = $this->_createParams( $contact['params'], array( 'ALTREP', 'LANGUAGE' )); + $content = $this->_strrep( $contact['value'] ); + $output .= $this->_createElement( 'CONTACT', $attributes, $content ); + } + elseif( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'CONTACT' ); + } + return $output; + } +/** + * set calendar component property contact + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.5.1 - 2008-11-05 + * @param string $value + * @param array $params, optional + * @param integer $index, optional + * @return bool + */ + function setContact( $value, $params=FALSE, $index=FALSE ) { + if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE; + iCalUtilityFunctions::_setMval( $this->contact, $value, $params, FALSE, $index ); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: CREATED + */ +/** + * creates formatted output for calendar component property created + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-10-21 + * @return string + */ + function createCreated() { + if( empty( $this->created )) return FALSE; + $formatted = iCalUtilityFunctions::_date2strdate( $this->created['value'], 7 ); + $attributes = $this->_createParams( $this->created['params'] ); + return $this->_createElement( 'CREATED', $attributes, $formatted ); + } +/** + * set calendar component property created + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-10-23 + * @param mixed $year optional + * @param mixed $month optional + * @param int $day optional + * @param int $hour optional + * @param int $min optional + * @param int $sec optional + * @param mixed $params optional + * @return bool + */ + function setCreated( $year=FALSE, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $params=FALSE ) { + if( !isset( $year )) { + $year = date('Ymd\THis', mktime( date( 'H' ), date( 'i' ), date( 's' ) - date( 'Z'), date( 'm' ), date( 'd' ), date( 'Y' ))); + } + $this->created = iCalUtilityFunctions::_setDate2( $year, $month, $day, $hour, $min, $sec, $params ); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: DESCRIPTION + */ +/** + * creates formatted output for calendar component property description + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-10-22 + * @return string + */ + function createDescription() { + if( empty( $this->description )) return FALSE; + $output = null; + foreach( $this->description as $description ) { + if( !empty( $description['value'] )) { + $attributes = $this->_createParams( $description['params'], array( 'ALTREP', 'LANGUAGE' )); + $content = $this->_strrep( $description['value'] ); + $output .= $this->_createElement( 'DESCRIPTION', $attributes, $content ); + } + elseif( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'DESCRIPTION' ); + } + return $output; + } +/** + * set calendar component property description + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.6.24 - 2010-11-06 + * @param string $value + * @param array $params, optional + * @param integer $index, optional + * @return bool + */ + function setDescription( $value, $params=FALSE, $index=FALSE ) { + if( empty( $value )) { if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE; } + if( 'vjournal' != $this->objName ) + $index = 1; + iCalUtilityFunctions::_setMval( $this->description, $value, $params, FALSE, $index ); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: DTEND + */ +/** + * creates formatted output for calendar component property dtend + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.14.4 - 2012-09-26 + * @return string + */ + function createDtend() { + if( empty( $this->dtend )) return FALSE; + if( !isset( $this->dtend['value']['year'] ) && + !isset( $this->dtend['value']['month'] ) && + !isset( $this->dtend['value']['day'] ) && + !isset( $this->dtend['value']['hour'] ) && + !isset( $this->dtend['value']['min'] ) && + !isset( $this->dtend['value']['sec'] )) + if( $this->getConfig( 'allowEmpty' )) + return $this->_createElement( 'DTEND' ); + else return FALSE; + $parno = ( isset( $this->dtend['params']['VALUE'] ) && ( 'DATE' == $this->dtend['params']['VALUE'] )) ? 3 : null; + $formatted = iCalUtilityFunctions::_date2strdate( $this->dtend['value'], $parno ); + $attributes = $this->_createParams( $this->dtend['params'] ); + return $this->_createElement( 'DTEND', $attributes, $formatted ); + } +/** + * set calendar component property dtend + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.9.6 - 2011-05-14 + * @param mixed $year + * @param mixed $month optional + * @param int $day optional + * @param int $hour optional + * @param int $min optional + * @param int $sec optional + * @param string $tz optional + * @param array params optional + * @return bool + */ + function setDtend( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $tz=FALSE, $params=FALSE ) { + if( empty( $year )) { + if( $this->getConfig( 'allowEmpty' )) { + $this->dtend = array( 'value' => null, 'params' => iCalUtilityFunctions::_setParams( $params )); + return TRUE; + } + else + return FALSE; + } + $this->dtend = iCalUtilityFunctions::_setDate( $year, $month, $day, $hour, $min, $sec, $tz, $params, null, null, $this->getConfig( 'TZID' )); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: DTSTAMP + */ +/** + * creates formatted output for calendar component property dtstamp + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.4 - 2008-03-07 + * @return string + */ + function createDtstamp() { + if( !isset( $this->dtstamp['value']['year'] ) && + !isset( $this->dtstamp['value']['month'] ) && + !isset( $this->dtstamp['value']['day'] ) && + !isset( $this->dtstamp['value']['hour'] ) && + !isset( $this->dtstamp['value']['min'] ) && + !isset( $this->dtstamp['value']['sec'] )) + $this->_makeDtstamp(); + $formatted = iCalUtilityFunctions::_date2strdate( $this->dtstamp['value'], 7 ); + $attributes = $this->_createParams( $this->dtstamp['params'] ); + return $this->_createElement( 'DTSTAMP', $attributes, $formatted ); + } +/** + * computes datestamp for calendar component object instance dtstamp + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.14.1 - 2012-09-29 + * @return void + */ + function _makeDtstamp() { + $d = date( 'Y-m-d-H-i-s', mktime( date('H'), date('i'), (date('s') - date( 'Z' )), date('m'), date('d'), date('Y'))); + $date = explode( '-', $d ); + $this->dtstamp['value'] = array( 'year' => $date[0], 'month' => $date[1], 'day' => $date[2], 'hour' => $date[3], 'min' => $date[4], 'sec' => $date[5], 'tz' => 'Z' ); + $this->dtstamp['params'] = null; + } +/** + * set calendar component property dtstamp + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-10-23 + * @param mixed $year + * @param mixed $month optional + * @param int $day optional + * @param int $hour optional + * @param int $min optional + * @param int $sec optional + * @param array $params optional + * @return TRUE + */ + function setDtstamp( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $params=FALSE ) { + if( empty( $year )) + $this->_makeDtstamp(); + else + $this->dtstamp = iCalUtilityFunctions::_setDate2( $year, $month, $day, $hour, $min, $sec, $params ); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: DTSTART + */ +/** + * creates formatted output for calendar component property dtstart + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.14.4 - 2012-09-26 + * @return string + */ + function createDtstart() { + if( empty( $this->dtstart )) return FALSE; + if( !isset( $this->dtstart['value']['year'] ) && + !isset( $this->dtstart['value']['month'] ) && + !isset( $this->dtstart['value']['day'] ) && + !isset( $this->dtstart['value']['hour'] ) && + !isset( $this->dtstart['value']['min'] ) && + !isset( $this->dtstart['value']['sec'] )) { + if( $this->getConfig( 'allowEmpty' )) + return $this->_createElement( 'DTSTART' ); + else return FALSE; + } + if( in_array( $this->objName, array( 'vtimezone', 'standard', 'daylight' ))) + unset( $this->dtstart['value']['tz'], $this->dtstart['params']['TZID'] ); + $parno = ( isset( $this->dtstart['params']['VALUE'] ) && ( 'DATE' == $this->dtstart['params']['VALUE'] )) ? 3 : null; + $formatted = iCalUtilityFunctions::_date2strdate( $this->dtstart['value'], $parno ); + $attributes = $this->_createParams( $this->dtstart['params'] ); + return $this->_createElement( 'DTSTART', $attributes, $formatted ); + } +/** + * set calendar component property dtstart + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.6.22 - 2010-09-22 + * @param mixed $year + * @param mixed $month optional + * @param int $day optional + * @param int $hour optional + * @param int $min optional + * @param int $sec optional + * @param string $tz optional + * @param array $params optional + * @return bool + */ + function setDtstart( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $tz=FALSE, $params=FALSE ) { + if( empty( $year )) { + if( $this->getConfig( 'allowEmpty' )) { + $this->dtstart = array( 'value' => null, 'params' => iCalUtilityFunctions::_setParams( $params )); + return TRUE; + } + else + return FALSE; + } + $this->dtstart = iCalUtilityFunctions::_setDate( $year, $month, $day, $hour, $min, $sec, $tz, $params, 'dtstart', $this->objName, $this->getConfig( 'TZID' )); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: DUE + */ +/** + * creates formatted output for calendar component property due + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.14.4 - 2012-09-26 + * @return string + */ + function createDue() { + if( empty( $this->due )) return FALSE; + if( !isset( $this->due['value']['year'] ) && + !isset( $this->due['value']['month'] ) && + !isset( $this->due['value']['day'] ) && + !isset( $this->due['value']['hour'] ) && + !isset( $this->due['value']['min'] ) && + !isset( $this->due['value']['sec'] )) { + if( $this->getConfig( 'allowEmpty' )) + return $this->_createElement( 'DUE' ); + else + return FALSE; + } + $parno = ( isset( $this->due['params']['VALUE'] ) && ( 'DATE' == $this->due['params']['VALUE'] )) ? 3 : null; + $formatted = iCalUtilityFunctions::_date2strdate( $this->due['value'], $parno ); + $attributes = $this->_createParams( $this->due['params'] ); + return $this->_createElement( 'DUE', $attributes, $formatted ); + } +/** + * set calendar component property due + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-11-04 + * @param mixed $year + * @param mixed $month optional + * @param int $day optional + * @param int $hour optional + * @param int $min optional + * @param int $sec optional + * @param array $params optional + * @return bool + */ + function setDue( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $tz=FALSE, $params=FALSE ) { + if( empty( $year )) { + if( $this->getConfig( 'allowEmpty' )) { + $this->due = array( 'value' => null, 'params' => iCalUtilityFunctions::_setParams( $params )); + return TRUE; + } + else + return FALSE; + } + $this->due = iCalUtilityFunctions::_setDate( $year, $month, $day, $hour, $min, $sec, $tz, $params, null, null, $this->getConfig( 'TZID' )); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: DURATION + */ +/** + * creates formatted output for calendar component property duration + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-10-21 + * @return string + */ + function createDuration() { + if( empty( $this->duration )) return FALSE; + if( !isset( $this->duration['value']['week'] ) && + !isset( $this->duration['value']['day'] ) && + !isset( $this->duration['value']['hour'] ) && + !isset( $this->duration['value']['min'] ) && + !isset( $this->duration['value']['sec'] )) + if( $this->getConfig( 'allowEmpty' )) + return $this->_createElement( 'DURATION', array(), null ); + else return FALSE; + $attributes = $this->_createParams( $this->duration['params'] ); + return $this->_createElement( 'DURATION', $attributes, iCalUtilityFunctions::_duration2str( $this->duration['value'] )); + } +/** + * set calendar component property duration + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-11-04 + * @param mixed $week + * @param mixed $day optional + * @param int $hour optional + * @param int $min optional + * @param int $sec optional + * @param array $params optional + * @return bool + */ + function setDuration( $week, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $params=FALSE ) { + if( empty( $week )) if( $this->getConfig( 'allowEmpty' )) $week = null; else return FALSE; + if( is_array( $week ) && ( 1 <= count( $week ))) + $this->duration = array( 'value' => iCalUtilityFunctions::_duration2arr( $week ), 'params' => iCalUtilityFunctions::_setParams( $day )); + elseif( is_string( $week ) && ( 3 <= strlen( trim( $week )))) { + $week = trim( $week ); + if( in_array( substr( $week, 0, 1 ), array( '+', '-' ))) + $week = substr( $week, 1 ); + $this->duration = array( 'value' => iCalUtilityFunctions::_durationStr2arr( $week ), 'params' => iCalUtilityFunctions::_setParams( $day )); + } + elseif( empty( $week ) && empty( $day ) && empty( $hour ) && empty( $min ) && empty( $sec )) + return FALSE; + else + $this->duration = array( 'value' => iCalUtilityFunctions::_duration2arr( array( $week, $day, $hour, $min, $sec )), 'params' => iCalUtilityFunctions::_setParams( $params )); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: EXDATE + */ +/** + * creates formatted output for calendar component property exdate + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-10-22 + * @return string + */ + function createExdate() { + if( empty( $this->exdate )) return FALSE; + $output = null; + foreach( $this->exdate as $ex => $theExdate ) { + if( empty( $theExdate['value'] )) { + if( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'EXDATE' ); + continue; + } + $content = $attributes = null; + foreach( $theExdate['value'] as $eix => $exdatePart ) { + $parno = count( $exdatePart ); + $formatted = iCalUtilityFunctions::_date2strdate( $exdatePart, $parno ); + if( isset( $theExdate['params']['TZID'] )) + $formatted = str_replace( 'Z', '', $formatted); + if( 0 < $eix ) { + if( isset( $theExdate['value'][0]['tz'] )) { + if( ctype_digit( substr( $theExdate['value'][0]['tz'], -4 )) || + ( 'Z' == $theExdate['value'][0]['tz'] )) { + if( 'Z' != substr( $formatted, -1 )) + $formatted .= 'Z'; + } + else + $formatted = str_replace( 'Z', '', $formatted ); + } + else + $formatted = str_replace( 'Z', '', $formatted ); + } + $content .= ( 0 < $eix ) ? ','.$formatted : $formatted; + } + $attributes .= $this->_createParams( $theExdate['params'] ); + $output .= $this->_createElement( 'EXDATE', $attributes, $content ); + } + return $output; + } +/** + * set calendar component property exdate + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.14.1 - 2012-10-02 + * @param array exdates + * @param array $params, optional + * @param integer $index, optional + * @return bool + */ + function setExdate( $exdates, $params=FALSE, $index=FALSE ) { + if( empty( $exdates )) { + if( $this->getConfig( 'allowEmpty' )) { + iCalUtilityFunctions::_setMval( $this->exdate, null, $params, FALSE, $index ); + return TRUE; + } + else + return FALSE; + } + $input = array( 'params' => iCalUtilityFunctions::_setParams( $params, array( 'VALUE' => 'DATE-TIME' ))); + $toZ = ( isset( $input['params']['TZID'] ) && in_array( strtoupper( $input['params']['TZID'] ), array( 'GMT', 'UTC', 'Z' ))) ? TRUE : FALSE; + /* ev. check 1:st date and save ev. timezone **/ + iCalUtilityFunctions::_chkdatecfg( reset( $exdates ), $parno, $input['params'] ); + iCalUtilityFunctions::_existRem( $input['params'], 'VALUE', 'DATE-TIME' ); // remove default parameter + foreach( $exdates as $eix => $theExdate ) { + iCalUtilityFunctions::_strDate2arr( $theExdate ); + if( iCalUtilityFunctions::_isArrayTimestampDate( $theExdate )) { + if( isset( $theExdate['tz'] ) && !iCalUtilityFunctions::_isOffset( $theExdate['tz'] )) { + if( isset( $input['params']['TZID'] )) + $theExdate['tz'] = $input['params']['TZID']; + else + $input['params']['TZID'] = $theExdate['tz']; + } + $exdatea = iCalUtilityFunctions::_timestamp2date( $theExdate, $parno ); + } + elseif( is_array( $theExdate )) { + $d = iCalUtilityFunctions::_chkDateArr( $theExdate, $parno ); + if( isset( $d['tz'] ) && ( 'Z' != $d['tz'] ) && iCalUtilityFunctions::_isOffset( $d['tz'] )) { + $strdate = sprintf( '%04d-%02d-%02d %02d:%02d:%02d %s', $d['year'], $d['month'], $d['day'], $d['hour'], $d['min'], $d['sec'], $d['tz'] ); + $exdatea = iCalUtilityFunctions::_strdate2date( $strdate, 7 ); + unset( $exdatea['unparsedtext'] ); + } + else + $exdatea = $d; + } + elseif( 8 <= strlen( trim( $theExdate ))) { // ex. 2006-08-03 10:12:18 + $exdatea = iCalUtilityFunctions::_strdate2date( $theExdate, $parno ); + unset( $exdatea['unparsedtext'] ); + } + if( 3 == $parno ) + unset( $exdatea['hour'], $exdatea['min'], $exdatea['sec'], $exdatea['tz'] ); + elseif( isset( $exdatea['tz'] )) + $exdatea['tz'] = (string) $exdatea['tz']; + if( isset( $input['params']['TZID'] ) || + ( isset( $exdatea['tz'] ) && !iCalUtilityFunctions::_isOffset( $exdatea['tz'] )) || + ( isset( $input['value'][0] ) && ( !isset( $input['value'][0]['tz'] ))) || + ( isset( $input['value'][0]['tz'] ) && !iCalUtilityFunctions::_isOffset( $input['value'][0]['tz'] ))) + unset( $exdatea['tz'] ); + if( $toZ ) // time zone Z + $exdatea['tz'] = 'Z'; + $input['value'][] = $exdatea; + } + if( 0 >= count( $input['value'] )) + return FALSE; + if( 3 == $parno ) { + $input['params']['VALUE'] = 'DATE'; + unset( $input['params']['TZID'] ); + } + if( $toZ ) // time zone Z + unset( $input['params']['TZID'] ); + iCalUtilityFunctions::_setMval( $this->exdate, $input['value'], $input['params'], FALSE, $index ); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: EXRULE + */ +/** + * creates formatted output for calendar component property exrule + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-10-22 + * @return string + */ + function createExrule() { + if( empty( $this->exrule )) return FALSE; + return $this->_format_recur( 'EXRULE', $this->exrule ); + } +/** + * set calendar component property exdate + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.5.1 - 2008-11-05 + * @param array $exruleset + * @param array $params, optional + * @param integer $index, optional + * @return bool + */ + function setExrule( $exruleset, $params=FALSE, $index=FALSE ) { + if( empty( $exruleset )) if( $this->getConfig( 'allowEmpty' )) $exruleset = null; else return FALSE; + iCalUtilityFunctions::_setMval( $this->exrule, iCalUtilityFunctions::_setRexrule( $exruleset ), $params, FALSE, $index ); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: FREEBUSY + */ +/** + * creates formatted output for calendar component property freebusy + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.1.23 - 2012-02-16 + * @return string + */ + function createFreebusy() { + if( empty( $this->freebusy )) return FALSE; + $output = null; + foreach( $this->freebusy as $freebusyPart ) { + if( empty( $freebusyPart['value'] ) || (( 1 == count( $freebusyPart['value'] )) && isset( $freebusyPart['value']['fbtype'] ))) { + if( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'FREEBUSY' ); + continue; + } + $attributes = $content = null; + if( isset( $freebusyPart['value']['fbtype'] )) { + $attributes .= $this->intAttrDelimiter.'FBTYPE='.$freebusyPart['value']['fbtype']; + unset( $freebusyPart['value']['fbtype'] ); + $freebusyPart['value'] = array_values( $freebusyPart['value'] ); + } + else + $attributes .= $this->intAttrDelimiter.'FBTYPE=BUSY'; + $attributes .= $this->_createParams( $freebusyPart['params'] ); + $fno = 1; + $cnt = count( $freebusyPart['value']); + foreach( $freebusyPart['value'] as $periodix => $freebusyPeriod ) { + $formatted = iCalUtilityFunctions::_date2strdate( $freebusyPeriod[0] ); + $content .= $formatted; + $content .= '/'; + $cnt2 = count( $freebusyPeriod[1]); + if( array_key_exists( 'year', $freebusyPeriod[1] )) // date-time + $cnt2 = 7; + elseif( array_key_exists( 'week', $freebusyPeriod[1] )) // duration + $cnt2 = 5; + if(( 7 == $cnt2 ) && // period= -> date-time + isset( $freebusyPeriod[1]['year'] ) && + isset( $freebusyPeriod[1]['month'] ) && + isset( $freebusyPeriod[1]['day'] )) { + $content .= iCalUtilityFunctions::_date2strdate( $freebusyPeriod[1] ); + } + else { // period= -> dur-time + $content .= iCalUtilityFunctions::_duration2str( $freebusyPeriod[1] ); + } + if( $fno < $cnt ) + $content .= ','; + $fno++; + } + $output .= $this->_createElement( 'FREEBUSY', $attributes, $content ); + } + return $output; + } +/** + * set calendar component property freebusy + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.10.30 - 2012-01-16 + * @param string $fbType + * @param array $fbValues + * @param array $params, optional + * @param integer $index, optional + * @return bool + */ + function setFreebusy( $fbType, $fbValues, $params=FALSE, $index=FALSE ) { + if( empty( $fbValues )) { + if( $this->getConfig( 'allowEmpty' )) { + iCalUtilityFunctions::_setMval( $this->freebusy, null, $params, FALSE, $index ); + return TRUE; + } + else + return FALSE; + } + $fbType = strtoupper( $fbType ); + if(( !in_array( $fbType, array( 'FREE', 'BUSY', 'BUSY-UNAVAILABLE', 'BUSY-TENTATIVE' ))) && + ( 'X-' != substr( $fbType, 0, 2 ))) + $fbType = 'BUSY'; + $input = array( 'fbtype' => $fbType ); + foreach( $fbValues as $fbPeriod ) { // periods => period + if( empty( $fbPeriod )) + continue; + $freebusyPeriod = array(); + foreach( $fbPeriod as $fbMember ) { // pairs => singlepart + $freebusyPairMember = array(); + if( is_array( $fbMember )) { + if( iCalUtilityFunctions::_isArrayDate( $fbMember )) { // date-time value + $freebusyPairMember = iCalUtilityFunctions::_chkDateArr( $fbMember, 7 ); + $freebusyPairMember['tz'] = 'Z'; + } + elseif( iCalUtilityFunctions::_isArrayTimestampDate( $fbMember )) { // timestamp value + $freebusyPairMember = iCalUtilityFunctions::_timestamp2date( $fbMember['timestamp'], 7 ); + $freebusyPairMember['tz'] = 'Z'; + } + else { // array format duration + $freebusyPairMember = iCalUtilityFunctions::_duration2arr( $fbMember ); + } + } + elseif(( 3 <= strlen( trim( $fbMember ))) && // string format duration + ( in_array( $fbMember{0}, array( 'P', '+', '-' )))) { + if( 'P' != $fbMember{0} ) + $fbmember = substr( $fbMember, 1 ); + $freebusyPairMember = iCalUtilityFunctions::_durationStr2arr( $fbMember ); + } + elseif( 8 <= strlen( trim( $fbMember ))) { // text date ex. 2006-08-03 10:12:18 + $freebusyPairMember = iCalUtilityFunctions::_strdate2date( $fbMember, 7 ); + unset( $freebusyPairMember['unparsedtext'] ); + $freebusyPairMember['tz'] = 'Z'; + } + $freebusyPeriod[] = $freebusyPairMember; + } + $input[] = $freebusyPeriod; + } + iCalUtilityFunctions::_setMval( $this->freebusy, $input, $params, FALSE, $index ); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: GEO + */ +/** + * creates formatted output for calendar component property geo + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.12.6 - 2012-04-21 + * @return string + */ + function createGeo() { + if( empty( $this->geo )) return FALSE; + if( empty( $this->geo['value'] )) + return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'GEO' ) : FALSE; + $attributes = $this->_createParams( $this->geo['params'] ); + if( 0.0 < $this->geo['value']['latitude'] ) + $sign = '+'; + else + $sign = ( 0.0 > $this->geo['value']['latitude'] ) ? '-' : ''; + $content = $sign.sprintf( "%09.6f", abs( $this->geo['value']['latitude'] )); // sprintf && lpad && float && sign !"#¤%&/( + $content = rtrim( rtrim( $content, '0' ), '.' ); + if( 0.0 < $this->geo['value']['longitude'] ) + $sign = '+'; + else + $sign = ( 0.0 > $this->geo['value']['longitude'] ) ? '-' : ''; + $content .= ';'.$sign.sprintf( '%8.6f', abs( $this->geo['value']['longitude'] )); // sprintf && lpad && float && sign !"#¤%&/( + $content = rtrim( rtrim( $content, '0' ), '.' ); + return $this->_createElement( 'GEO', $attributes, $content ); + } +/** + * set calendar component property geo + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.12.5 - 2012-04-21 + * @param float $latitude + * @param float $longitude + * @param array $params optional + * @return bool + */ + function setGeo( $latitude, $longitude, $params=FALSE ) { + if(( !empty( $latitude ) || ( 0 == $latitude )) && + ( !empty( $longitude ) || ( 0 == $longitude ))) { + if( !is_array( $this->geo )) $this->geo = array(); + $this->geo['value']['latitude'] = (float) $latitude; + $this->geo['value']['longitude'] = (float) $longitude; + $this->geo['params'] = iCalUtilityFunctions::_setParams( $params ); + } + elseif( $this->getConfig( 'allowEmpty' )) + $this->geo = array( 'value' => null, 'params' => iCalUtilityFunctions::_setParams( $params ) ); + else + return FALSE; + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: LAST-MODIFIED + */ +/** + * creates formatted output for calendar component property last-modified + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-10-21 + * @return string + */ + function createLastModified() { + if( empty( $this->lastmodified )) return FALSE; + $attributes = $this->_createParams( $this->lastmodified['params'] ); + $formatted = iCalUtilityFunctions::_date2strdate( $this->lastmodified['value'], 7 ); + return $this->_createElement( 'LAST-MODIFIED', $attributes, $formatted ); + } +/** + * set calendar component property completed + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-10-23 + * @param mixed $year optional + * @param mixed $month optional + * @param int $day optional + * @param int $hour optional + * @param int $min optional + * @param int $sec optional + * @param array $params optional + * @return boll + */ + function setLastModified( $year=FALSE, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $params=FALSE ) { + if( empty( $year )) + $year = date('Ymd\THis', mktime( date( 'H' ), date( 'i' ), date( 's' ) - date( 'Z'), date( 'm' ), date( 'd' ), date( 'Y' ))); + $this->lastmodified = iCalUtilityFunctions::_setDate2( $year, $month, $day, $hour, $min, $sec, $params ); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: LOCATION + */ +/** + * creates formatted output for calendar component property location + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-10-22 + * @return string + */ + function createLocation() { + if( empty( $this->location )) return FALSE; + if( empty( $this->location['value'] )) + return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'LOCATION' ) : FALSE; + $attributes = $this->_createParams( $this->location['params'], array( 'ALTREP', 'LANGUAGE' )); + $content = $this->_strrep( $this->location['value'] ); + return $this->_createElement( 'LOCATION', $attributes, $content ); + } +/** + * set calendar component property location + ' + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-11-04 + * @param string $value + * @param array params optional + * @return bool + */ + function setLocation( $value, $params=FALSE ) { + if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE; + $this->location = array( 'value' => $value, 'params' => iCalUtilityFunctions::_setParams( $params )); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: ORGANIZER + */ +/** + * creates formatted output for calendar component property organizer + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.6.33 - 2010-12-17 + * @return string + */ + function createOrganizer() { + if( empty( $this->organizer )) return FALSE; + if( empty( $this->organizer['value'] )) + return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'ORGANIZER' ) : FALSE; + $attributes = $this->_createParams( $this->organizer['params'] + , array( 'CN', 'DIR', 'SENT-BY', 'LANGUAGE' )); + return $this->_createElement( 'ORGANIZER', $attributes, $this->organizer['value'] ); + } +/** + * set calendar component property organizer + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.12.18 - 2012-07-13 + * @param string $value + * @param array params optional + * @return bool + */ + function setOrganizer( $value, $params=FALSE ) { + if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE; + if( !empty( $value )) { + if( FALSE === ( $pos = strpos( substr( $value, 0, 9 ), ':' ))) + $value = 'MAILTO:'.$value; + elseif( !empty( $value )) + $value = strtolower( substr( $value, 0, $pos )).substr( $value, $pos ); + $value = str_replace( 'mailto:', 'MAILTO:', $value ); + } + $this->organizer = array( 'value' => $value, 'params' => iCalUtilityFunctions::_setParams( $params )); + if( isset( $this->organizer['params']['SENT-BY'] )){ + if( 'mailto:' !== strtolower( substr( $this->organizer['params']['SENT-BY'], 0, 7 ))) + $this->organizer['params']['SENT-BY'] = 'MAILTO:'.$this->organizer['params']['SENT-BY']; + else + $this->organizer['params']['SENT-BY'] = 'MAILTO:'.substr( $this->organizer['params']['SENT-BY'], 7 ); + } + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: PERCENT-COMPLETE + */ +/** + * creates formatted output for calendar component property percent-complete + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.9.3 - 2011-05-14 + * @return string + */ + function createPercentComplete() { + if( !isset($this->percentcomplete) || ( empty( $this->percentcomplete ) && !is_numeric( $this->percentcomplete ))) return FALSE; + if( !isset( $this->percentcomplete['value'] ) || ( empty( $this->percentcomplete['value'] ) && !is_numeric( $this->percentcomplete['value'] ))) + return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'PERCENT-COMPLETE' ) : FALSE; + $attributes = $this->_createParams( $this->percentcomplete['params'] ); + return $this->_createElement( 'PERCENT-COMPLETE', $attributes, $this->percentcomplete['value'] ); + } +/** + * set calendar component property percent-complete + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.9.3 - 2011-05-14 + * @param int $value + * @param array $params optional + * @return bool + */ + function setPercentComplete( $value, $params=FALSE ) { + if( empty( $value ) && !is_numeric( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE; + $this->percentcomplete = array( 'value' => $value, 'params' => iCalUtilityFunctions::_setParams( $params )); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: PRIORITY + */ +/** + * creates formatted output for calendar component property priority + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.9.3 - 2011-05-14 + * @return string + */ + function createPriority() { + if( !isset($this->priority) || ( empty( $this->priority ) && !is_numeric( $this->priority ))) return FALSE; + if( !isset( $this->priority['value'] ) || ( empty( $this->priority['value'] ) && !is_numeric( $this->priority['value'] ))) + return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'PRIORITY' ) : FALSE; + $attributes = $this->_createParams( $this->priority['params'] ); + return $this->_createElement( 'PRIORITY', $attributes, $this->priority['value'] ); + } +/** + * set calendar component property priority + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.9.3 - 2011-05-14 + * @param int $value + * @param array $params optional + * @return bool + */ + function setPriority( $value, $params=FALSE ) { + if( empty( $value ) && !is_numeric( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE; + $this->priority = array( 'value' => $value, 'params' => iCalUtilityFunctions::_setParams( $params )); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: RDATE + */ +/** + * creates formatted output for calendar component property rdate + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.14.1 - 2012-10-04 + * @return string + */ + function createRdate() { + if( empty( $this->rdate )) return FALSE; + $utctime = ( in_array( $this->objName, array( 'vtimezone', 'standard', 'daylight' ))) ? TRUE : FALSE; + $output = null; + if( $utctime ) + unset( $this->rdate['params']['TZID'] ); + foreach( $this->rdate as $rpix => $theRdate ) { + if( empty( $theRdate['value'] )) { + if( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'RDATE' ); + continue; + } + if( $utctime ) + unset( $theRdate['params']['TZID'] ); + $attributes = $this->_createParams( $theRdate['params'] ); + $cnt = count( $theRdate['value'] ); + $content = null; + $rno = 1; + foreach( $theRdate['value'] as $rix => $rdatePart ) { + $contentPart = null; + if( is_array( $rdatePart ) && + isset( $theRdate['params']['VALUE'] ) && ( 'PERIOD' == $theRdate['params']['VALUE'] )) { // PERIOD + if( $utctime ) + unset( $rdatePart[0]['tz'] ); + $formatted = iCalUtilityFunctions::_date2strdate( $rdatePart[0] ); // PERIOD part 1 + if( $utctime || !empty( $theRdate['params']['TZID'] )) + $formatted = str_replace( 'Z', '', $formatted); + $contentPart .= $formatted; + $contentPart .= '/'; + $cnt2 = count( $rdatePart[1]); + if( array_key_exists( 'year', $rdatePart[1] )) { + if( array_key_exists( 'hour', $rdatePart[1] )) + $cnt2 = 7; // date-time + else + $cnt2 = 3; // date + } + elseif( array_key_exists( 'week', $rdatePart[1] )) // duration + $cnt2 = 5; + if(( 7 == $cnt2 ) && // period= -> date-time + isset( $rdatePart[1]['year'] ) && + isset( $rdatePart[1]['month'] ) && + isset( $rdatePart[1]['day'] )) { + if( $utctime ) + unset( $rdatePart[1]['tz'] ); + $formatted = iCalUtilityFunctions::_date2strdate( $rdatePart[1] ); // PERIOD part 2 + if( $utctime || !empty( $theRdate['params']['TZID'] )) + $formatted = str_replace( 'Z', '', $formatted ); + $contentPart .= $formatted; + } + else { // period= -> dur-time + $contentPart .= iCalUtilityFunctions::_duration2str( $rdatePart[1] ); + } + } // PERIOD end + else { // SINGLE date start + if( $utctime ) + unset( $rdatePart['tz'] ); + $parno = ( isset( $theRdate['params']['VALUE'] ) && ( 'DATE' == isset( $theRdate['params']['VALUE'] ))) ? 3 : null; + $formatted = iCalUtilityFunctions::_date2strdate( $rdatePart, $parno ); + if( $utctime || !empty( $theRdate['params']['TZID'] )) + $formatted = str_replace( 'Z', '', $formatted); + $contentPart .= $formatted; + } + $content .= $contentPart; + if( $rno < $cnt ) + $content .= ','; + $rno++; + } + $output .= $this->_createElement( 'RDATE', $attributes, $content ); + } + return $output; + } +/** + * set calendar component property rdate + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.14.1 - 2012-10-04 + * @param array $rdates + * @param array $params, optional + * @param integer $index, optional + * @return bool + */ + function setRdate( $rdates, $params=FALSE, $index=FALSE ) { + if( empty( $rdates )) { + if( $this->getConfig( 'allowEmpty' )) { + iCalUtilityFunctions::_setMval( $this->rdate, null, $params, FALSE, $index ); + return TRUE; + } + else + return FALSE; + } + $input = array( 'params' => iCalUtilityFunctions::_setParams( $params, array( 'VALUE' => 'DATE-TIME' ))); + if( in_array( $this->objName, array( 'vtimezone', 'standard', 'daylight' ))) { + unset( $input['params']['TZID'] ); + $input['params']['VALUE'] = 'DATE-TIME'; + } + $zArr = array( 'GMT', 'UTC', 'Z' ); + $toZ = ( isset( $params['TZID'] ) && in_array( strtoupper( $params['TZID'] ), $zArr )) ? TRUE : FALSE; + /* check if PERIOD, if not set */ + if((!isset( $input['params']['VALUE'] ) || !in_array( $input['params']['VALUE'], array( 'DATE', 'PERIOD' ))) && + isset( $rdates[0] ) && is_array( $rdates[0] ) && ( 2 == count( $rdates[0] )) && + isset( $rdates[0][0] ) && isset( $rdates[0][1] ) && !isset( $rdates[0]['timestamp'] ) && + (( is_array( $rdates[0][0] ) && ( isset( $rdates[0][0]['timestamp'] ) || + iCalUtilityFunctions::_isArrayDate( $rdates[0][0] ))) || + ( is_string( $rdates[0][0] ) && ( 8 <= strlen( trim( $rdates[0][0] ))))) && + ( is_array( $rdates[0][1] ) || ( is_string( $rdates[0][1] ) && ( 3 <= strlen( trim( $rdates[0][1] )))))) + $input['params']['VALUE'] = 'PERIOD'; + /* check 1:st date, upd. $parno (opt) and save ev. timezone **/ + $date = reset( $rdates ); + if( isset( $input['params']['VALUE'] ) && ( 'PERIOD' == $input['params']['VALUE'] )) // PERIOD + $date = reset( $date ); + iCalUtilityFunctions::_chkdatecfg( $date, $parno, $input['params'] ); + iCalUtilityFunctions::_existRem( $input['params'], 'VALUE', 'DATE-TIME' ); // remove default + foreach( $rdates as $rpix => $theRdate ) { + $inputa = null; + iCalUtilityFunctions::_strDate2arr( $theRdate ); + if( is_array( $theRdate )) { + if( isset( $input['params']['VALUE'] ) && ( 'PERIOD' == $input['params']['VALUE'] )) { // PERIOD + foreach( $theRdate as $rix => $rPeriod ) { + iCalUtilityFunctions::_strDate2arr( $theRdate ); + if( is_array( $rPeriod )) { + if( iCalUtilityFunctions::_isArrayTimestampDate( $rPeriod )) { // timestamp + if( isset( $rPeriod['tz'] ) && !iCalUtilityFunctions::_isOffset( $rPeriod['tz'] )) { + if( isset( $input['params']['TZID'] )) + $rPeriod['tz'] = $input['params']['TZID']; + else + $input['params']['TZID'] = $rPeriod['tz']; + } + $inputab = iCalUtilityFunctions::_timestamp2date( $rPeriod, $parno ); + } + elseif( iCalUtilityFunctions::_isArrayDate( $rPeriod )) { + $d = ( 3 < count ( $rPeriod )) ? iCalUtilityFunctions::_chkDateArr( $rPeriod, $parno ) : iCalUtilityFunctions::_chkDateArr( $rPeriod, 6 ); + if( isset( $d['tz'] ) && ( 'Z' != $d['tz'] ) && iCalUtilityFunctions::_isOffset( $d['tz'] )) { + $strdate = sprintf( '%04d-%02d-%02d %02d:%02d:%02d %s', $d['year'], $d['month'], $d['day'], $d['hour'], $d['min'], $d['sec'], $d['tz'] ); + $inputab = iCalUtilityFunctions::_strdate2date( $strdate, 7 ); + unset( $inputab['unparsedtext'] ); + } + else + $inputab = $d; + } + elseif (( 1 == count( $rPeriod )) && ( 8 <= strlen( reset( $rPeriod )))) { // text-date + $inputab = iCalUtilityFunctions::_strdate2date( reset( $rPeriod ), $parno ); + unset( $inputab['unparsedtext'] ); + } + else // array format duration + $inputab = iCalUtilityFunctions::_duration2arr( $rPeriod ); + } + elseif(( 3 <= strlen( trim( $rPeriod ))) && // string format duration + ( in_array( $rPeriod[0], array( 'P', '+', '-' )))) { + if( 'P' != $rPeriod[0] ) + $rPeriod = substr( $rPeriod, 1 ); + $inputab = iCalUtilityFunctions::_durationStr2arr( $rPeriod ); + } + elseif( 8 <= strlen( trim( $rPeriod ))) { // text date ex. 2006-08-03 10:12:18 + $inputab = iCalUtilityFunctions::_strdate2date( $rPeriod, $parno ); + unset( $inputab['unparsedtext'] ); + } + if(( 0 == $rpix ) && ( 0 == $rix )) { + if( isset( $inputab['tz'] ) && in_array( strtoupper( $inputab['tz'] ), $zArr )) { + $inputab['tz'] = 'Z'; + $toZ = TRUE; + } + } + else { + if( isset( $inputa[0]['tz'] ) && ( 'Z' == $inputa[0]['tz'] ) && isset( $inputab['year'] )) + $inputab['tz'] = 'Z'; + else + unset( $inputab['tz'] ); + } + if( $toZ && isset( $inputab['year'] ) ) + $inputab['tz'] = 'Z'; + $inputa[] = $inputab; + } + } // PERIOD end + elseif ( iCalUtilityFunctions::_isArrayTimestampDate( $theRdate )) { // timestamp + if( isset( $theRdate['tz'] ) && !iCalUtilityFunctions::_isOffset( $theRdate['tz'] )) { + if( isset( $input['params']['TZID'] )) + $theRdate['tz'] = $input['params']['TZID']; + else + $input['params']['TZID'] = $theRdate['tz']; + } + $inputa = iCalUtilityFunctions::_timestamp2date( $theRdate, $parno ); + } + else { // date[-time] + $inputa = iCalUtilityFunctions::_chkDateArr( $theRdate, $parno ); + if( isset( $inputa['tz'] ) && ( 'Z' != $inputa['tz'] ) && iCalUtilityFunctions::_isOffset( $inputa['tz'] )) { + $strdate = sprintf( '%04d-%02d-%02d %02d:%02d:%02d %s', $inputa['year'], $inputa['month'], $inputa['day'], $inputa['hour'], $inputa['min'], $inputa['sec'], $inputa['tz'] ); + $inputa = iCalUtilityFunctions::_strdate2date( $strdate, 7 ); + unset( $inputa['unparsedtext'] ); + } + } + } + elseif( 8 <= strlen( trim( $theRdate ))) { // text date ex. 2006-08-03 10:12:18 + $inputa = iCalUtilityFunctions::_strdate2date( $theRdate, $parno ); + unset( $inputa['unparsedtext'] ); + if( $toZ ) + $inputa['tz'] = 'Z'; + } + if( !isset( $input['params']['VALUE'] ) || ( 'PERIOD' != $input['params']['VALUE'] )) { // no PERIOD + if(( 0 == $rpix ) && !$toZ ) + $toZ = ( isset( $inputa['tz'] ) && in_array( strtoupper( $inputa['tz'] ), $zArr )) ? TRUE : FALSE; + if( $toZ ) + $inputa['tz'] = 'Z'; + if( 3 == $parno ) + unset( $inputa['hour'], $inputa['min'], $inputa['sec'], $inputa['tz'] ); + elseif( isset( $inputa['tz'] )) + $inputa['tz'] = (string) $inputa['tz']; + if( isset( $input['params']['TZID'] ) || ( isset( $input['value'][0] ) && ( !isset( $input['value'][0]['tz'] )))) + if( !$toZ ) + unset( $inputa['tz'] ); + } + $input['value'][] = $inputa; + } + if( 3 == $parno ) { + $input['params']['VALUE'] = 'DATE'; + unset( $input['params']['TZID'] ); + } + if( $toZ ) + unset( $input['params']['TZID'] ); + iCalUtilityFunctions::_setMval( $this->rdate, $input['value'], $input['params'], FALSE, $index ); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: RECURRENCE-ID + */ +/** + * creates formatted output for calendar component property recurrence-id + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.14.4 - 2012-09-26 + * @return string + */ + function createRecurrenceid() { + if( empty( $this->recurrenceid )) return FALSE; + if( empty( $this->recurrenceid['value'] )) + return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'RECURRENCE-ID' ) : FALSE; + $parno = ( isset( $this->recurrenceid['params']['VALUE'] ) && ( 'DATE' == $this->recurrenceid['params']['VALUE'] )) ? 3 : null; + $formatted = iCalUtilityFunctions::_date2strdate( $this->recurrenceid['value'], $parno ); + $attributes = $this->_createParams( $this->recurrenceid['params'] ); + return $this->_createElement( 'RECURRENCE-ID', $attributes, $formatted ); + } +/** + * set calendar component property recurrence-id + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.9.6 - 2011-05-15 + * @param mixed $year + * @param mixed $month optional + * @param int $day optional + * @param int $hour optional + * @param int $min optional + * @param int $sec optional + * @param array $params optional + * @return bool + */ + function setRecurrenceid( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $tz=FALSE, $params=FALSE ) { + if( empty( $year )) { + if( $this->getConfig( 'allowEmpty' )) { + $this->recurrenceid = array( 'value' => null, 'params' => null ); + return TRUE; + } + else + return FALSE; + } + $this->recurrenceid = iCalUtilityFunctions::_setDate( $year, $month, $day, $hour, $min, $sec, $tz, $params, null, null, $this->getConfig( 'TZID' )); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: RELATED-TO + */ +/** + * creates formatted output for calendar component property related-to + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.11.24 - 2012-02-23 + * @return string + */ + function createRelatedTo() { + if( empty( $this->relatedto )) return FALSE; + $output = null; + foreach( $this->relatedto as $relation ) { + if( !empty( $relation['value'] )) + $output .= $this->_createElement( 'RELATED-TO', $this->_createParams( $relation['params'] ), $this->_strrep( $relation['value'] ) ); + elseif( $this->getConfig( 'allowEmpty' )) + $output .= $this->_createElement( 'RELATED-TO', $this->_createParams( $relation['params'] )); + } + return $output; + } +/** + * set calendar component property related-to + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.11.24 - 2012-02-23 + * @param float $relid + * @param array $params, optional + * @param index $index, optional + * @return bool + */ + function setRelatedTo( $value, $params=FALSE, $index=FALSE ) { + if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE; + iCalUtilityFunctions::_existRem( $params, 'RELTYPE', 'PARENT', TRUE ); // remove default + iCalUtilityFunctions::_setMval( $this->relatedto, $value, $params, FALSE, $index ); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: REPEAT + */ +/** + * creates formatted output for calendar component property repeat + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.9.3 - 2011-05-14 + * @return string + */ + function createRepeat() { + if( !isset( $this->repeat ) || ( empty( $this->repeat ) && !is_numeric( $this->repeat ))) return FALSE; + if( !isset( $this->repeat['value']) || ( empty( $this->repeat['value'] ) && !is_numeric( $this->repeat['value'] ))) + return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'REPEAT' ) : FALSE; + $attributes = $this->_createParams( $this->repeat['params'] ); + return $this->_createElement( 'REPEAT', $attributes, $this->repeat['value'] ); + } +/** + * set calendar component property repeat + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.9.3 - 2011-05-14 + * @param string $value + * @param array $params optional + * @return void + */ + function setRepeat( $value, $params=FALSE ) { + if( empty( $value ) && !is_numeric( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE; + $this->repeat = array( 'value' => $value, 'params' => iCalUtilityFunctions::_setParams( $params )); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: REQUEST-STATUS + */ +/** + * creates formatted output for calendar component property request-status + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-10-23 + * @return string + */ + function createRequestStatus() { + if( empty( $this->requeststatus )) return FALSE; + $output = null; + foreach( $this->requeststatus as $rstat ) { + if( empty( $rstat['value']['statcode'] )) { + if( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'REQUEST-STATUS' ); + continue; + } + $attributes = $this->_createParams( $rstat['params'], array( 'LANGUAGE' )); + $content = number_format( (float) $rstat['value']['statcode'], 2, '.', ''); + $content .= ';'.$this->_strrep( $rstat['value']['text'] ); + if( isset( $rstat['value']['extdata'] )) + $content .= ';'.$this->_strrep( $rstat['value']['extdata'] ); + $output .= $this->_createElement( 'REQUEST-STATUS', $attributes, $content ); + } + return $output; + } +/** + * set calendar component property request-status + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.5.1 - 2008-11-05 + * @param float $statcode + * @param string $text + * @param string $extdata, optional + * @param array $params, optional + * @param integer $index, optional + * @return bool + */ + function setRequestStatus( $statcode, $text, $extdata=FALSE, $params=FALSE, $index=FALSE ) { + if( empty( $statcode ) || empty( $text )) if( $this->getConfig( 'allowEmpty' )) $statcode = $text = null; else return FALSE; + $input = array( 'statcode' => $statcode, 'text' => $text ); + if( $extdata ) + $input['extdata'] = $extdata; + iCalUtilityFunctions::_setMval( $this->requeststatus, $input, $params, FALSE, $index ); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: RESOURCES + */ +/** + * creates formatted output for calendar component property resources + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-10-23 + * @return string + */ + function createResources() { + if( empty( $this->resources )) return FALSE; + $output = null; + foreach( $this->resources as $resource ) { + if( empty( $resource['value'] )) { + if( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'RESOURCES' ); + continue; + } + $attributes = $this->_createParams( $resource['params'], array( 'ALTREP', 'LANGUAGE' )); + if( is_array( $resource['value'] )) { + foreach( $resource['value'] as $rix => $resourcePart ) + $resource['value'][$rix] = $this->_strrep( $resourcePart ); + $content = implode( ',', $resource['value'] ); + } + else + $content = $this->_strrep( $resource['value'] ); + $output .= $this->_createElement( 'RESOURCES', $attributes, $content ); + } + return $output; + } +/** + * set calendar component property recources + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.5.1 - 2008-11-05 + * @param mixed $value + * @param array $params, optional + * @param integer $index, optional + * @return bool + */ + function setResources( $value, $params=FALSE, $index=FALSE ) { + if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE; + iCalUtilityFunctions::_setMval( $this->resources, $value, $params, FALSE, $index ); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: RRULE + */ +/** + * creates formatted output for calendar component property rrule + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-10-21 + * @return string + */ + function createRrule() { + if( empty( $this->rrule )) return FALSE; + return $this->_format_recur( 'RRULE', $this->rrule ); + } +/** + * set calendar component property rrule + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.5.1 - 2008-11-05 + * @param array $rruleset + * @param array $params, optional + * @param integer $index, optional + * @return void + */ + function setRrule( $rruleset, $params=FALSE, $index=FALSE ) { + if( empty( $rruleset )) if( $this->getConfig( 'allowEmpty' )) $rruleset = null; else return FALSE; + iCalUtilityFunctions::_setMval( $this->rrule, iCalUtilityFunctions::_setRexrule( $rruleset ), $params, FALSE, $index ); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: SEQUENCE + */ +/** + * creates formatted output for calendar component property sequence + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.9.3 - 2011-05-14 + * @return string + */ + function createSequence() { + if( !isset( $this->sequence ) || ( empty( $this->sequence ) && !is_numeric( $this->sequence ))) return FALSE; + if(( !isset($this->sequence['value'] ) || ( empty( $this->sequence['value'] ) && !is_numeric( $this->sequence['value'] ))) && + ( '0' != $this->sequence['value'] )) + return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'SEQUENCE' ) : FALSE; + $attributes = $this->_createParams( $this->sequence['params'] ); + return $this->_createElement( 'SEQUENCE', $attributes, $this->sequence['value'] ); + } +/** + * set calendar component property sequence + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.10.8 - 2011-09-19 + * @param int $value optional + * @param array $params optional + * @return bool + */ + function setSequence( $value=FALSE, $params=FALSE ) { + if(( empty( $value ) && !is_numeric( $value )) && ( '0' != $value )) + $value = ( isset( $this->sequence['value'] ) && ( -1 < $this->sequence['value'] )) ? $this->sequence['value'] + 1 : '0'; + $this->sequence = array( 'value' => $value, 'params' => iCalUtilityFunctions::_setParams( $params )); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: STATUS + */ +/** + * creates formatted output for calendar component property status + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-10-21 + * @return string + */ + function createStatus() { + if( empty( $this->status )) return FALSE; + if( empty( $this->status['value'] )) + return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'STATUS' ) : FALSE; + $attributes = $this->_createParams( $this->status['params'] ); + return $this->_createElement( 'STATUS', $attributes, $this->status['value'] ); + } +/** + * set calendar component property status + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-11-04 + * @param string $value + * @param array $params optional + * @return bool + */ + function setStatus( $value, $params=FALSE ) { + if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE; + $this->status = array( 'value' => $value, 'params' => iCalUtilityFunctions::_setParams( $params )); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: SUMMARY + */ +/** + * creates formatted output for calendar component property summary + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-10-21 + * @return string + */ + function createSummary() { + if( empty( $this->summary )) return FALSE; + if( empty( $this->summary['value'] )) + return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'SUMMARY' ) : FALSE; + $attributes = $this->_createParams( $this->summary['params'], array( 'ALTREP', 'LANGUAGE' )); + $content = $this->_strrep( $this->summary['value'] ); + return $this->_createElement( 'SUMMARY', $attributes, $content ); + } +/** + * set calendar component property summary + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-11-04 + * @param string $value + * @param string $params optional + * @return bool + */ + function setSummary( $value, $params=FALSE ) { + if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE; + $this->summary = array( 'value' => $value, 'params' => iCalUtilityFunctions::_setParams( $params )); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: TRANSP + */ +/** + * creates formatted output for calendar component property transp + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-10-21 + * @return string + */ + function createTransp() { + if( empty( $this->transp )) return FALSE; + if( empty( $this->transp['value'] )) + return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TRANSP' ) : FALSE; + $attributes = $this->_createParams( $this->transp['params'] ); + return $this->_createElement( 'TRANSP', $attributes, $this->transp['value'] ); + } +/** + * set calendar component property transp + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-11-04 + * @param string $value + * @param string $params optional + * @return bool + */ + function setTransp( $value, $params=FALSE ) { + if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE; + $this->transp = array( 'value' => $value, 'params' => iCalUtilityFunctions::_setParams( $params )); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: TRIGGER + */ +/** + * creates formatted output for calendar component property trigger + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.16 - 2008-10-21 + * @return string + */ + function createTrigger() { + if( empty( $this->trigger )) return FALSE; + if( empty( $this->trigger['value'] )) + return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TRIGGER' ) : FALSE; + $content = $attributes = null; + if( isset( $this->trigger['value']['year'] ) && + isset( $this->trigger['value']['month'] ) && + isset( $this->trigger['value']['day'] )) + $content .= iCalUtilityFunctions::_date2strdate( $this->trigger['value'] ); + else { + if( TRUE !== $this->trigger['value']['relatedStart'] ) + $attributes .= $this->intAttrDelimiter.'RELATED=END'; + if( $this->trigger['value']['before'] ) + $content .= '-'; + $content .= iCalUtilityFunctions::_duration2str( $this->trigger['value'] ); + } + $attributes .= $this->_createParams( $this->trigger['params'] ); + return $this->_createElement( 'TRIGGER', $attributes, $content ); + } +/** + * set calendar component property trigger + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.14.1 - 2012-09-20 + * @param mixed $year + * @param mixed $month optional + * @param int $day optional + * @param int $week optional + * @param int $hour optional + * @param int $min optional + * @param int $sec optional + * @param bool $relatedStart optional + * @param bool $before optional + * @param array $params optional + * @return bool + */ + function setTrigger( $year, $month=null, $day=null, $week=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $relatedStart=TRUE, $before=TRUE, $params=FALSE ) { + if( empty( $year ) && empty( $month ) && empty( $day ) && empty( $week ) && empty( $hour ) && empty( $min ) && empty( $sec )) + if( $this->getConfig( 'allowEmpty' )) { + $this->trigger = array( 'value' => null, 'params' => iCalUtilityFunctions::_setParams( $params ) ); + return TRUE; + } + else + return FALSE; + if( iCalUtilityFunctions::_isArrayTimestampDate( $year )) { // timestamp UTC + $params = iCalUtilityFunctions::_setParams( $month ); + $date = iCalUtilityFunctions::_timestamp2date( $year, 7 ); + foreach( $date as $k => $v ) + $$k = $v; + } + elseif( is_array( $year ) && ( is_array( $month ) || empty( $month ))) { + $params = iCalUtilityFunctions::_setParams( $month ); + if(!(array_key_exists( 'year', $year ) && // exclude date-time + array_key_exists( 'month', $year ) && + array_key_exists( 'day', $year ))) { // when this must be a duration + if( isset( $params['RELATED'] ) && ( 'END' == strtoupper( $params['RELATED'] ))) + $relatedStart = FALSE; + else + $relatedStart = ( array_key_exists( 'relatedStart', $year ) && ( TRUE !== $year['relatedStart'] )) ? FALSE : TRUE; + $before = ( array_key_exists( 'before', $year ) && ( TRUE !== $year['before'] )) ? FALSE : TRUE; + } + $SSYY = ( array_key_exists( 'year', $year )) ? $year['year'] : null; + $month = ( array_key_exists( 'month', $year )) ? $year['month'] : null; + $day = ( array_key_exists( 'day', $year )) ? $year['day'] : null; + $week = ( array_key_exists( 'week', $year )) ? $year['week'] : null; + $hour = ( array_key_exists( 'hour', $year )) ? $year['hour'] : 0; //null; + $min = ( array_key_exists( 'min', $year )) ? $year['min'] : 0; //null; + $sec = ( array_key_exists( 'sec', $year )) ? $year['sec'] : 0; //null; + $year = $SSYY; + } + elseif(is_string( $year ) && ( is_array( $month ) || empty( $month ))) { // duration or date in a string + $params = iCalUtilityFunctions::_setParams( $month ); + if( in_array( $year[0], array( 'P', '+', '-' ))) { // duration + $relatedStart = ( isset( $params['RELATED'] ) && ( 'END' == strtoupper( $params['RELATED'] ))) ? FALSE : TRUE; + $before = ( '-' == $year[0] ) ? TRUE : FALSE; + if( 'P' != $year[0] ) + $year = substr( $year, 1 ); + $date = iCalUtilityFunctions::_durationStr2arr( $year); + } + else // date + $date = iCalUtilityFunctions::_strdate2date( $year, 7 ); + unset( $year, $month, $day, $date['unparsedtext'] ); + if( empty( $date )) + $sec = 0; + else + foreach( $date as $k => $v ) + $$k = $v; + } + else // single values in function input parameters + $params = iCalUtilityFunctions::_setParams( $params ); + if( !empty( $year ) && !empty( $month ) && !empty( $day )) { // date + $params['VALUE'] = 'DATE-TIME'; + $hour = ( $hour ) ? $hour : 0; + $min = ( $min ) ? $min : 0; + $sec = ( $sec ) ? $sec : 0; + $this->trigger = array( 'params' => $params ); + $this->trigger['value'] = array( 'year' => $year + , 'month' => $month + , 'day' => $day + , 'hour' => $hour + , 'min' => $min + , 'sec' => $sec + , 'tz' => 'Z' ); + return TRUE; + } + elseif(( empty( $year ) && empty( $month )) && // duration + (( !empty( $week ) || ( 0 == $week )) || + ( !empty( $day ) || ( 0 == $day )) || + ( !empty( $hour ) || ( 0 == $hour )) || + ( !empty( $min ) || ( 0 == $min )) || + ( !empty( $sec ) || ( 0 == $sec )))) { + unset( $params['RELATED'] ); // set at output creation (END only) + unset( $params['VALUE'] ); // 'DURATION' default + $this->trigger = array( 'params' => $params ); + $this->trigger['value'] = array(); + if( !empty( $week )) $this->trigger['value']['week'] = $week; + if( !empty( $day )) $this->trigger['value']['day'] = $day; + if( !empty( $hour )) $this->trigger['value']['hour'] = $hour; + if( !empty( $min )) $this->trigger['value']['min'] = $min; + if( !empty( $sec )) $this->trigger['value']['sec'] = $sec; + if( empty( $this->trigger['value'] )) { + $this->trigger['value']['sec'] = 0; + $before = FALSE; + } + $relatedStart = ( FALSE !== $relatedStart ) ? TRUE : FALSE; + $before = ( FALSE !== $before ) ? TRUE : FALSE; + $this->trigger['value']['relatedStart'] = $relatedStart; + $this->trigger['value']['before'] = $before; + return TRUE; + } + return FALSE; + } +/*********************************************************************************/ +/** + * Property Name: TZID + */ +/** + * creates formatted output for calendar component property tzid + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-10-21 + * @return string + */ + function createTzid() { + if( empty( $this->tzid )) return FALSE; + if( empty( $this->tzid['value'] )) + return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TZID' ) : FALSE; + $attributes = $this->_createParams( $this->tzid['params'] ); + return $this->_createElement( 'TZID', $attributes, $this->_strrep( $this->tzid['value'] )); + } +/** + * set calendar component property tzid + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-11-04 + * @param string $value + * @param array $params optional + * @return bool + */ + function setTzid( $value, $params=FALSE ) { + if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE; + $this->tzid = array( 'value' => $value, 'params' => iCalUtilityFunctions::_setParams( $params )); + return TRUE; + } +/*********************************************************************************/ +/** + * .. . + * Property Name: TZNAME + */ +/** + * creates formatted output for calendar component property tzname + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-10-21 + * @return string + */ + function createTzname() { + if( empty( $this->tzname )) return FALSE; + $output = null; + foreach( $this->tzname as $theName ) { + if( !empty( $theName['value'] )) { + $attributes = $this->_createParams( $theName['params'], array( 'LANGUAGE' )); + $output .= $this->_createElement( 'TZNAME', $attributes, $this->_strrep( $theName['value'] )); + } + elseif( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( 'TZNAME' ); + } + return $output; + } +/** + * set calendar component property tzname + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.5.1 - 2008-11-05 + * @param string $value + * @param string $params, optional + * @param integer $index, optional + * @return bool + */ + function setTzname( $value, $params=FALSE, $index=FALSE ) { + if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE; + iCalUtilityFunctions::_setMval( $this->tzname, $value, $params, FALSE, $index ); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: TZOFFSETFROM + */ +/** + * creates formatted output for calendar component property tzoffsetfrom + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-10-21 + * @return string + */ + function createTzoffsetfrom() { + if( empty( $this->tzoffsetfrom )) return FALSE; + if( empty( $this->tzoffsetfrom['value'] )) + return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TZOFFSETFROM' ) : FALSE; + $attributes = $this->_createParams( $this->tzoffsetfrom['params'] ); + return $this->_createElement( 'TZOFFSETFROM', $attributes, $this->tzoffsetfrom['value'] ); + } +/** + * set calendar component property tzoffsetfrom + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-11-04 + * @param string $value + * @param string $params optional + * @return bool + */ + function setTzoffsetfrom( $value, $params=FALSE ) { + if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE; + $this->tzoffsetfrom = array( 'value' => $value, 'params' => iCalUtilityFunctions::_setParams( $params )); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: TZOFFSETTO + */ +/** + * creates formatted output for calendar component property tzoffsetto + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-10-21 + * @return string + */ + function createTzoffsetto() { + if( empty( $this->tzoffsetto )) return FALSE; + if( empty( $this->tzoffsetto['value'] )) + return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TZOFFSETTO' ) : FALSE; + $attributes = $this->_createParams( $this->tzoffsetto['params'] ); + return $this->_createElement( 'TZOFFSETTO', $attributes, $this->tzoffsetto['value'] ); + } +/** + * set calendar component property tzoffsetto + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-11-04 + * @param string $value + * @param string $params optional + * @return bool + */ + function setTzoffsetto( $value, $params=FALSE ) { + if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE; + $this->tzoffsetto = array( 'value' => $value, 'params' => iCalUtilityFunctions::_setParams( $params )); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: TZURL + */ +/** + * creates formatted output for calendar component property tzurl + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-10-21 + * @return string + */ + function createTzurl() { + if( empty( $this->tzurl )) return FALSE; + if( empty( $this->tzurl['value'] )) + return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'TZURL' ) : FALSE; + $attributes = $this->_createParams( $this->tzurl['params'] ); + return $this->_createElement( 'TZURL', $attributes, $this->tzurl['value'] ); + } +/** + * set calendar component property tzurl + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-11-04 + * @param string $value + * @param string $params optional + * @return boll + */ + function setTzurl( $value, $params=FALSE ) { + if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE; + $this->tzurl = array( 'value' => $value, 'params' => iCalUtilityFunctions::_setParams( $params )); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: UID + */ +/** + * creates formatted output for calendar component property uid + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 0.9.7 - 2006-11-20 + * @return string + */ + function createUid() { + if( 0 >= count( $this->uid )) + $this->_makeuid(); + $attributes = $this->_createParams( $this->uid['params'] ); + return $this->_createElement( 'UID', $attributes, $this->uid['value'] ); + } +/** + * create an unique id for this calendar component object instance + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.2.7 - 2007-09-04 + * @return void + */ + function _makeUid() { + $date = date('Ymd\THisT'); + $unique = substr(microtime(), 2, 4); + $base = 'aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPrRsStTuUvVxXuUvVwWzZ1234567890'; + $start = 0; + $end = strlen( $base ) - 1; + $length = 6; + $str = null; + for( $p = 0; $p < $length; $p++ ) + $unique .= $base{mt_rand( $start, $end )}; + $this->uid = array( 'params' => null ); + $this->uid['value'] = $date.'-'.$unique.'@'.$this->getConfig( 'unique_id' ); + } +/** + * set calendar component property uid + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-11-04 + * @param string $value + * @param string $params optional + * @return bool + */ + function setUid( $value, $params=FALSE ) { + if( empty( $value )) return FALSE; // no allowEmpty check here !!!! + $this->uid = array( 'value' => $value, 'params' => iCalUtilityFunctions::_setParams( $params )); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: URL + */ +/** + * creates formatted output for calendar component property url + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-10-21 + * @return string + */ + function createUrl() { + if( empty( $this->url )) return FALSE; + if( empty( $this->url['value'] )) + return ( $this->getConfig( 'allowEmpty' )) ? $this->_createElement( 'URL' ) : FALSE; + $attributes = $this->_createParams( $this->url['params'] ); + return $this->_createElement( 'URL', $attributes, $this->url['value'] ); + } +/** + * set calendar component property url + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.8 - 2008-11-04 + * @param string $value + * @param string $params optional + * @return bool + */ + function setUrl( $value, $params=FALSE ) { + if( empty( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE; + $this->url = array( 'value' => $value, 'params' => iCalUtilityFunctions::_setParams( $params )); + return TRUE; + } +/*********************************************************************************/ +/** + * Property Name: x-prop + */ +/** + * creates formatted output for calendar component property x-prop + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.9.3 - 2011-05-14 + * @return string + */ + function createXprop() { + if( empty( $this->xprop )) return FALSE; + $output = null; + foreach( $this->xprop as $label => $xpropPart ) { + if( !isset($xpropPart['value']) || ( empty( $xpropPart['value'] ) && !is_numeric( $xpropPart['value'] ))) { + if( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( $label ); + continue; + } + $attributes = $this->_createParams( $xpropPart['params'], array( 'LANGUAGE' )); + if( is_array( $xpropPart['value'] )) { + foreach( $xpropPart['value'] as $pix => $theXpart ) + $xpropPart['value'][$pix] = $this->_strrep( $theXpart ); + $xpropPart['value'] = implode( ',', $xpropPart['value'] ); + } + else + $xpropPart['value'] = $this->_strrep( $xpropPart['value'] ); + $output .= $this->_createElement( $label, $attributes, $xpropPart['value'] ); + } + return $output; + } +/** + * set calendar component property x-prop + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.11.9 - 2012-01-16 + * @param string $label + * @param mixed $value + * @param array $params optional + * @return bool + */ + function setXprop( $label, $value, $params=FALSE ) { + if( empty( $label )) + return FALSE; + if( 'X-' != strtoupper( substr( $label, 0, 2 ))) + return FALSE; + if( empty( $value ) && !is_numeric( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE; + $xprop = array( 'value' => $value ); + $xprop['params'] = iCalUtilityFunctions::_setParams( $params ); + if( !is_array( $this->xprop )) $this->xprop = array(); + $this->xprop[strtoupper( $label )] = $xprop; + return TRUE; + } +/*********************************************************************************/ +/*********************************************************************************/ +/** + * create element format parts + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.0.6 - 2006-06-20 + * @return string + */ + function _createFormat() { + $objectname = null; + switch( $this->format ) { + case 'xcal': + $objectname = ( isset( $this->timezonetype )) ? + strtolower( $this->timezonetype ) : strtolower( $this->objName ); + $this->componentStart1 = $this->elementStart1 = '<'; + $this->componentStart2 = $this->elementStart2 = '>'; + $this->componentEnd1 = $this->elementEnd1 = 'componentEnd2 = $this->elementEnd2 = '>'.$this->nl; + $this->intAttrDelimiter = ''; + $this->attributeDelimiter = $this->nl; + $this->valueInit = null; + break; + default: + $objectname = ( isset( $this->timezonetype )) ? + strtoupper( $this->timezonetype ) : strtoupper( $this->objName ); + $this->componentStart1 = 'BEGIN:'; + $this->componentStart2 = null; + $this->componentEnd1 = 'END:'; + $this->componentEnd2 = $this->nl; + $this->elementStart1 = null; + $this->elementStart2 = null; + $this->elementEnd1 = null; + $this->elementEnd2 = $this->nl; + $this->intAttrDelimiter = ''; + $this->attributeDelimiter = ';'; + $this->valueInit = ':'; + break; + } + return $objectname; + } +/** + * creates formatted output for calendar component property + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.10.16 - 2011-10-28 + * @param string $label property name + * @param string $attributes property attributes + * @param string $content property content (optional) + * @return string + */ + function _createElement( $label, $attributes=null, $content=FALSE ) { + switch( $this->format ) { + case 'xcal': + $label = strtolower( $label ); + break; + default: + $label = strtoupper( $label ); + break; + } + $output = $this->elementStart1.$label; + $categoriesAttrLang = null; + $attachInlineBinary = FALSE; + $attachfmttype = null; + if (( 'xcal' == $this->format) && ( 'x-' == substr( $label, 0, 2 ))) { + $this->xcaldecl[] = array( 'xmldecl' => 'ELEMENT' + , 'ref' => $label + , 'type2' => '(#PCDATA)' ); + } + if( !empty( $attributes )) { + $attributes = trim( $attributes ); + if ( 'xcal' == $this->format ) { + $attributes2 = explode( $this->intAttrDelimiter, $attributes ); + $attributes = null; + foreach( $attributes2 as $aix => $attribute ) { + $attrKVarr = explode( '=', $attribute ); + if( empty( $attrKVarr[0] )) + continue; + if( !isset( $attrKVarr[1] )) { + $attrValue = $attrKVarr[0]; + $attrKey = $aix; + } + elseif( 2 == count( $attrKVarr)) { + $attrKey = strtolower( $attrKVarr[0] ); + $attrValue = $attrKVarr[1]; + } + else { + $attrKey = strtolower( $attrKVarr[0] ); + unset( $attrKVarr[0] ); + $attrValue = implode( '=', $attrKVarr ); + } + if(( 'attach' == $label ) && ( in_array( $attrKey, array( 'fmttype', 'encoding', 'value' )))) { + $attachInlineBinary = TRUE; + if( 'fmttype' == $attrKey ) + $attachfmttype = $attrKey.'='.$attrValue; + continue; + } + elseif(( 'categories' == $label ) && ( 'language' == $attrKey )) + $categoriesAttrLang = $attrKey.'='.$attrValue; + else { + $attributes .= ( empty( $attributes )) ? ' ' : $this->attributeDelimiter.' '; + $attributes .= ( !empty( $attrKey )) ? $attrKey.'=' : null; + if(( '"' == substr( $attrValue, 0, 1 )) && ( '"' == substr( $attrValue, -1 ))) { + $attrValue = substr( $attrValue, 1, ( strlen( $attrValue ) - 2 )); + $attrValue = str_replace( '"', '', $attrValue ); + } + $attributes .= '"'.htmlspecialchars( $attrValue ).'"'; + } + } + } + else { + $attributes = str_replace( $this->intAttrDelimiter, $this->attributeDelimiter, $attributes ); + } + } + if(( 'xcal' == $this->format) && + ((( 'attach' == $label ) && !$attachInlineBinary ) || ( in_array( $label, array( 'tzurl', 'url' ))))) { + $pos = strrpos($content, "/"); + $docname = ( $pos !== false) ? substr( $content, (1 - strlen( $content ) + $pos )) : $content; + $this->xcaldecl[] = array( 'xmldecl' => 'ENTITY' + , 'uri' => $docname + , 'ref' => 'SYSTEM' + , 'external' => $content + , 'type' => 'NDATA' + , 'type2' => 'BINERY' ); + $attributes .= ( empty( $attributes )) ? ' ' : $this->attributeDelimiter.' '; + $attributes .= 'uri="'.$docname.'"'; + $content = null; + if( 'attach' == $label ) { + $attributes = str_replace( $this->attributeDelimiter, $this->intAttrDelimiter, $attributes ); + $content = $this->nl.$this->_createElement( 'extref', $attributes, null ); + $attributes = null; + } + } + elseif(( 'xcal' == $this->format) && ( 'attach' == $label ) && $attachInlineBinary ) { + $content = $this->nl.$this->_createElement( 'b64bin', $attachfmttype, $content ); // max one attribute + } + $output .= $attributes; + if( !$content && ( '0' != $content )) { + switch( $this->format ) { + case 'xcal': + $output .= ' /'; + $output .= $this->elementStart2.$this->nl; + return $output; + break; + default: + $output .= $this->elementStart2.$this->valueInit; + return $this->_size75( $output ); + break; + } + } + $output .= $this->elementStart2; + $output .= $this->valueInit.$content; + switch( $this->format ) { + case 'xcal': + return $output.$this->elementEnd1.$label.$this->elementEnd2; + break; + default: + return $this->_size75( $output ); + break; + } + } +/** + * creates formatted output for calendar component property parameters + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.10.27 - 2012-01-16 + * @param array $params optional + * @param array $ctrKeys optional + * @return string + */ + function _createParams( $params=array(), $ctrKeys=array() ) { + if( !is_array( $params ) || empty( $params )) + $params = array(); + $attrLANG = $attr1 = $attr2 = $lang = null; + $CNattrKey = ( in_array( 'CN', $ctrKeys )) ? TRUE : FALSE ; + $LANGattrKey = ( in_array( 'LANGUAGE', $ctrKeys )) ? TRUE : FALSE ; + $CNattrExist = $LANGattrExist = FALSE; + $xparams = array(); + foreach( $params as $paramKey => $paramValue ) { + if(( FALSE !== strpos( $paramValue, ':' )) || + ( FALSE !== strpos( $paramValue, ';' )) || + ( FALSE !== strpos( $paramValue, ',' ))) + $paramValue = '"'.$paramValue.'"'; + if( ctype_digit( (string) $paramKey )) { + $xparams[] = $paramValue; + continue; + } + $paramKey = strtoupper( $paramKey ); + if( !in_array( $paramKey, array( 'ALTREP', 'CN', 'DIR', 'ENCODING', 'FMTTYPE', 'LANGUAGE', 'RANGE', 'RELTYPE', 'SENT-BY', 'TZID', 'VALUE' ))) + $xparams[$paramKey] = $paramValue; + else + $params[$paramKey] = $paramValue; + } + ksort( $xparams, SORT_STRING ); + foreach( $xparams as $paramKey => $paramValue ) { + if( ctype_digit( (string) $paramKey )) + $attr2 .= $this->intAttrDelimiter.$paramValue; + else + $attr2 .= $this->intAttrDelimiter."$paramKey=$paramValue"; + } + if( isset( $params['FMTTYPE'] ) && !in_array( 'FMTTYPE', $ctrKeys )) { + $attr1 .= $this->intAttrDelimiter.'FMTTYPE='.$params['FMTTYPE'].$attr2; + $attr2 = null; + } + if( isset( $params['ENCODING'] ) && !in_array( 'ENCODING', $ctrKeys )) { + if( !empty( $attr2 )) { + $attr1 .= $attr2; + $attr2 = null; + } + $attr1 .= $this->intAttrDelimiter.'ENCODING='.$params['ENCODING']; + } + if( isset( $params['VALUE'] ) && !in_array( 'VALUE', $ctrKeys )) + $attr1 .= $this->intAttrDelimiter.'VALUE='.$params['VALUE']; + if( isset( $params['TZID'] ) && !in_array( 'TZID', $ctrKeys )) { + $attr1 .= $this->intAttrDelimiter.'TZID='.$params['TZID']; + } + if( isset( $params['RANGE'] ) && !in_array( 'RANGE', $ctrKeys )) + $attr1 .= $this->intAttrDelimiter.'RANGE='.$params['RANGE']; + if( isset( $params['RELTYPE'] ) && !in_array( 'RELTYPE', $ctrKeys )) + $attr1 .= $this->intAttrDelimiter.'RELTYPE='.$params['RELTYPE']; + if( isset( $params['CN'] ) && $CNattrKey ) { + $attr1 = $this->intAttrDelimiter.'CN='.$params['CN']; + $CNattrExist = TRUE; + } + if( isset( $params['DIR'] ) && in_array( 'DIR', $ctrKeys )) { + $delim = ( FALSE !== strpos( $params['DIR'], '"' )) ? '' : '"'; + $attr1 .= $this->intAttrDelimiter.'DIR='.$delim.$params['DIR'].$delim; + } + if( isset( $params['SENT-BY'] ) && in_array( 'SENT-BY', $ctrKeys )) + $attr1 .= $this->intAttrDelimiter.'SENT-BY='.$params['SENT-BY']; + if( isset( $params['ALTREP'] ) && in_array( 'ALTREP', $ctrKeys )) { + $delim = ( FALSE !== strpos( $params['ALTREP'], '"' )) ? '' : '"'; + $attr1 .= $this->intAttrDelimiter.'ALTREP='.$delim.$params['ALTREP'].$delim; + } + if( isset( $params['LANGUAGE'] ) && $LANGattrKey ) { + $attrLANG .= $this->intAttrDelimiter.'LANGUAGE='.$params['LANGUAGE']; + $LANGattrExist = TRUE; + } + if( !$LANGattrExist ) { + $lang = $this->getConfig( 'language' ); + if(( $CNattrExist || $LANGattrKey ) && $lang ) + $attrLANG .= $this->intAttrDelimiter.'LANGUAGE='.$lang; + } + return $attr1.$attrLANG.$attr2; + } +/** + * creates formatted output for calendar component property data value type recur + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.14.1 - 2012-10-06 + * @param array $recurlabel + * @param array $recurdata + * @return string + */ + function _format_recur( $recurlabel, $recurdata ) { + $output = null; + foreach( $recurdata as $therule ) { + if( empty( $therule['value'] )) { + if( $this->getConfig( 'allowEmpty' )) $output .= $this->_createElement( $recurlabel ); + continue; + } + $attributes = ( isset( $therule['params'] )) ? $this->_createParams( $therule['params'] ) : null; + $content1 = $content2 = null; + foreach( $therule['value'] as $rulelabel => $rulevalue ) { + switch( $rulelabel ) { + case 'FREQ': { + $content1 .= "FREQ=$rulevalue"; + break; + } + case 'UNTIL': { + $parno = ( isset( $rulevalue['hour'] )) ? 7 : 3; + $content2 .= ';UNTIL='.iCalUtilityFunctions::_date2strdate( $rulevalue, $parno ); + break; + } + case 'COUNT': + case 'INTERVAL': + case 'WKST': { + $content2 .= ";$rulelabel=$rulevalue"; + break; + } + case 'BYSECOND': + case 'BYMINUTE': + case 'BYHOUR': + case 'BYMONTHDAY': + case 'BYYEARDAY': + case 'BYWEEKNO': + case 'BYMONTH': + case 'BYSETPOS': { + $content2 .= ";$rulelabel="; + if( is_array( $rulevalue )) { + foreach( $rulevalue as $vix => $valuePart ) { + $content2 .= ( $vix ) ? ',' : null; + $content2 .= $valuePart; + } + } + else + $content2 .= $rulevalue; + break; + } + case 'BYDAY': { + $content2 .= ";$rulelabel="; + $bydaycnt = 0; + foreach( $rulevalue as $vix => $valuePart ) { + $content21 = $content22 = null; + if( is_array( $valuePart )) { + $content2 .= ( $bydaycnt ) ? ',' : null; + foreach( $valuePart as $vix2 => $valuePart2 ) { + if( 'DAY' != strtoupper( $vix2 )) + $content21 .= $valuePart2; + else + $content22 .= $valuePart2; + } + $content2 .= $content21.$content22; + $bydaycnt++; + } + else { + $content2 .= ( $bydaycnt ) ? ',' : null; + if( 'DAY' != strtoupper( $vix )) + $content21 .= $valuePart; + else { + $content22 .= $valuePart; + $bydaycnt++; + } + $content2 .= $content21.$content22; + } + } + break; + } + default: { + $content2 .= ";$rulelabel=$rulevalue"; + break; + } + } + } + $output .= $this->_createElement( $recurlabel, $attributes, $content1.$content2 ); + } + return $output; + } +/** + * check if property not exists within component + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.5.1 - 2008-10-15 + * @param string $propName + * @return bool + */ + function _notExistProp( $propName ) { + if( empty( $propName )) return FALSE; // when deleting x-prop, an empty propName may be used=allowed + $propName = strtolower( $propName ); + if( 'last-modified' == $propName ) { if( !isset( $this->lastmodified )) return TRUE; } + elseif( 'percent-complete' == $propName ) { if( !isset( $this->percentcomplete )) return TRUE; } + elseif( 'recurrence-id' == $propName ) { if( !isset( $this->recurrenceid )) return TRUE; } + elseif( 'related-to' == $propName ) { if( !isset( $this->relatedto )) return TRUE; } + elseif( 'request-status' == $propName ) { if( !isset( $this->requeststatus )) return TRUE; } + elseif(( 'x-' != substr($propName,0,2)) && !isset( $this->$propName )) return TRUE; + return FALSE; + } +/*********************************************************************************/ +/*********************************************************************************/ +/** + * get general component config variables or info about subcomponents + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.9.6 - 2011-05-14 + * @param mixed $config + * @return value + */ + function getConfig( $config = FALSE) { + if( !$config ) { + $return = array(); + $return['ALLOWEMPTY'] = $this->getConfig( 'ALLOWEMPTY' ); + $return['FORMAT'] = $this->getConfig( 'FORMAT' ); + if( FALSE !== ( $lang = $this->getConfig( 'LANGUAGE' ))) + $return['LANGUAGE'] = $lang; + $return['NEWLINECHAR'] = $this->getConfig( 'NEWLINECHAR' ); + $return['TZTD'] = $this->getConfig( 'TZID' ); + $return['UNIQUE_ID'] = $this->getConfig( 'UNIQUE_ID' ); + return $return; + } + switch( strtoupper( $config )) { + case 'ALLOWEMPTY': + return $this->allowEmpty; + break; + case 'COMPSINFO': + unset( $this->compix ); + $info = array(); + if( isset( $this->components )) { + foreach( $this->components as $cix => $component ) { + if( empty( $component )) continue; + $info[$cix]['ordno'] = $cix + 1; + $info[$cix]['type'] = $component->objName; + $info[$cix]['uid'] = $component->getProperty( 'uid' ); + $info[$cix]['props'] = $component->getConfig( 'propinfo' ); + $info[$cix]['sub'] = $component->getConfig( 'compsinfo' ); + } + } + return $info; + break; + case 'FORMAT': + return $this->format; + break; + case 'LANGUAGE': + // get language for calendar component as defined in [RFC 1766] + return $this->language; + break; + case 'NL': + case 'NEWLINECHAR': + return $this->nl; + break; + case 'PROPINFO': + $output = array(); + if( !in_array( $this->objName, array( 'valarm', 'vtimezone', 'standard', 'daylight' ))) { + if( empty( $this->uid['value'] )) $this->_makeuid(); + $output['UID'] = 1; + if( empty( $this->dtstamp )) $this->_makeDtstamp(); + $output['DTSTAMP'] = 1; + } + if( !empty( $this->summary )) $output['SUMMARY'] = 1; + if( !empty( $this->description )) $output['DESCRIPTION'] = count( $this->description ); + if( !empty( $this->dtstart )) $output['DTSTART'] = 1; + if( !empty( $this->dtend )) $output['DTEND'] = 1; + if( !empty( $this->due )) $output['DUE'] = 1; + if( !empty( $this->duration )) $output['DURATION'] = 1; + if( !empty( $this->rrule )) $output['RRULE'] = count( $this->rrule ); + if( !empty( $this->rdate )) $output['RDATE'] = count( $this->rdate ); + if( !empty( $this->exdate )) $output['EXDATE'] = count( $this->exdate ); + if( !empty( $this->exrule )) $output['EXRULE'] = count( $this->exrule ); + if( !empty( $this->action )) $output['ACTION'] = 1; + if( !empty( $this->attach )) $output['ATTACH'] = count( $this->attach ); + if( !empty( $this->attendee )) $output['ATTENDEE'] = count( $this->attendee ); + if( !empty( $this->categories )) $output['CATEGORIES'] = count( $this->categories ); + if( !empty( $this->class )) $output['CLASS'] = 1; + if( !empty( $this->comment )) $output['COMMENT'] = count( $this->comment ); + if( !empty( $this->completed )) $output['COMPLETED'] = 1; + if( !empty( $this->contact )) $output['CONTACT'] = count( $this->contact ); + if( !empty( $this->created )) $output['CREATED'] = 1; + if( !empty( $this->freebusy )) $output['FREEBUSY'] = count( $this->freebusy ); + if( !empty( $this->geo )) $output['GEO'] = 1; + if( !empty( $this->lastmodified )) $output['LAST-MODIFIED'] = 1; + if( !empty( $this->location )) $output['LOCATION'] = 1; + if( !empty( $this->organizer )) $output['ORGANIZER'] = 1; + if( !empty( $this->percentcomplete )) $output['PERCENT-COMPLETE'] = 1; + if( !empty( $this->priority )) $output['PRIORITY'] = 1; + if( !empty( $this->recurrenceid )) $output['RECURRENCE-ID'] = 1; + if( !empty( $this->relatedto )) $output['RELATED-TO'] = count( $this->relatedto ); + if( !empty( $this->repeat )) $output['REPEAT'] = 1; + if( !empty( $this->requeststatus )) $output['REQUEST-STATUS'] = count( $this->requeststatus ); + if( !empty( $this->resources )) $output['RESOURCES'] = count( $this->resources ); + if( !empty( $this->sequence )) $output['SEQUENCE'] = 1; + if( !empty( $this->sequence )) $output['SEQUENCE'] = 1; + if( !empty( $this->status )) $output['STATUS'] = 1; + if( !empty( $this->transp )) $output['TRANSP'] = 1; + if( !empty( $this->trigger )) $output['TRIGGER'] = 1; + if( !empty( $this->tzid )) $output['TZID'] = 1; + if( !empty( $this->tzname )) $output['TZNAME'] = count( $this->tzname ); + if( !empty( $this->tzoffsetfrom )) $output['TZOFFSETFROM'] = 1; + if( !empty( $this->tzoffsetto )) $output['TZOFFSETTO'] = 1; + if( !empty( $this->tzurl )) $output['TZURL'] = 1; + if( !empty( $this->url )) $output['URL'] = 1; + if( !empty( $this->xprop )) $output['X-PROP'] = count( $this->xprop ); + return $output; + break; + case 'SETPROPERTYNAMES': + return array_keys( $this->getConfig( 'propinfo' )); + break; + case 'TZID': + return $this->dtzid; + break; + case 'UNIQUE_ID': + if( empty( $this->unique_id )) + $this->unique_id = ( isset( $_SERVER['SERVER_NAME'] )) ? gethostbyname( $_SERVER['SERVER_NAME'] ) : 'localhost'; + return $this->unique_id; + break; + } + } +/** + * general component config setting + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.10.18 - 2011-10-28 + * @param mixed $config + * @param string $value + * @param bool $softUpdate + * @return void + */ + function setConfig( $config, $value = FALSE, $softUpdate = FALSE ) { + if( is_array( $config )) { + $ak = array_keys( $config ); + foreach( $ak as $k ) { + if( 'NEWLINECHAR' == strtoupper( $k )) { + if( FALSE === $this->setConfig( 'NEWLINECHAR', $config[$k] )) + return FALSE; + unset( $config[$k] ); + break; + } + } + foreach( $config as $cKey => $cValue ) { + if( FALSE === $this->setConfig( $cKey, $cValue, $softUpdate )) + return FALSE; + } + return TRUE; + } + $res = FALSE; + switch( strtoupper( $config )) { + case 'ALLOWEMPTY': + $this->allowEmpty = $value; + $subcfg = array( 'ALLOWEMPTY' => $value ); + $res = TRUE; + break; + case 'FORMAT': + $value = trim( strtolower( $value )); + $this->format = $value; + $this->_createFormat(); + $subcfg = array( 'FORMAT' => $value ); + $res = TRUE; + break; + case 'LANGUAGE': + // set language for calendar component as defined in [RFC 1766] + $value = trim( $value ); + if( empty( $this->language ) || !$softUpdate ) + $this->language = $value; + $subcfg = array( 'LANGUAGE' => $value ); + $res = TRUE; + break; + case 'NL': + case 'NEWLINECHAR': + $this->nl = $value; + $this->_createFormat(); + $subcfg = array( 'NL' => $value ); + $res = TRUE; + break; + case 'TZID': + $this->dtzid = $value; + $subcfg = array( 'TZID' => $value ); + $res = TRUE; + break; + case 'UNIQUE_ID': + $value = trim( $value ); + $this->unique_id = $value; + $subcfg = array( 'UNIQUE_ID' => $value ); + $res = TRUE; + break; + default: // any unvalid config key.. . + return TRUE; + } + if( !$res ) return FALSE; + if( isset( $subcfg ) && !empty( $this->components )) { + foreach( $subcfg as $cfgkey => $cfgvalue ) { + foreach( $this->components as $cix => $component ) { + $res = $component->setConfig( $cfgkey, $cfgvalue, $softUpdate ); + if( !$res ) + break 2; + $this->components[$cix] = $component->copy(); // PHP4 compliant + } + } + } + return $res; + } +/*********************************************************************************/ +/** + * delete component property value + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.8.8 - 2011-03-15 + * @param mixed $propName, bool FALSE => X-property + * @param int $propix, optional, if specific property is wanted in case of multiply occurences + * @return bool, if successfull delete TRUE + */ + function deleteProperty( $propName=FALSE, $propix=FALSE ) { + if( $this->_notExistProp( $propName )) return FALSE; + $propName = strtoupper( $propName ); + if( in_array( $propName, array( 'ATTACH', 'ATTENDEE', 'CATEGORIES', 'COMMENT', 'CONTACT', 'DESCRIPTION', 'EXDATE', 'EXRULE', + 'FREEBUSY', 'RDATE', 'RELATED-TO', 'RESOURCES', 'RRULE', 'REQUEST-STATUS', 'TZNAME', 'X-PROP' ))) { + if( !$propix ) + $propix = ( isset( $this->propdelix[$propName] ) && ( 'X-PROP' != $propName )) ? $this->propdelix[$propName] + 2 : 1; + $this->propdelix[$propName] = --$propix; + } + $return = FALSE; + switch( $propName ) { + case 'ACTION': + if( !empty( $this->action )) { + $this->action = ''; + $return = TRUE; + } + break; + case 'ATTACH': + return $this->deletePropertyM( $this->attach, $this->propdelix[$propName] ); + break; + case 'ATTENDEE': + return $this->deletePropertyM( $this->attendee, $this->propdelix[$propName] ); + break; + case 'CATEGORIES': + return $this->deletePropertyM( $this->categories, $this->propdelix[$propName] ); + break; + case 'CLASS': + if( !empty( $this->class )) { + $this->class = ''; + $return = TRUE; + } + break; + case 'COMMENT': + return $this->deletePropertyM( $this->comment, $this->propdelix[$propName] ); + break; + case 'COMPLETED': + if( !empty( $this->completed )) { + $this->completed = ''; + $return = TRUE; + } + break; + case 'CONTACT': + return $this->deletePropertyM( $this->contact, $this->propdelix[$propName] ); + break; + case 'CREATED': + if( !empty( $this->created )) { + $this->created = ''; + $return = TRUE; + } + break; + case 'DESCRIPTION': + return $this->deletePropertyM( $this->description, $this->propdelix[$propName] ); + break; + case 'DTEND': + if( !empty( $this->dtend )) { + $this->dtend = ''; + $return = TRUE; + } + break; + case 'DTSTAMP': + if( in_array( $this->objName, array( 'valarm', 'vtimezone', 'standard', 'daylight' ))) + return FALSE; + if( !empty( $this->dtstamp )) { + $this->dtstamp = ''; + $return = TRUE; + } + break; + case 'DTSTART': + if( !empty( $this->dtstart )) { + $this->dtstart = ''; + $return = TRUE; + } + break; + case 'DUE': + if( !empty( $this->due )) { + $this->due = ''; + $return = TRUE; + } + break; + case 'DURATION': + if( !empty( $this->duration )) { + $this->duration = ''; + $return = TRUE; + } + break; + case 'EXDATE': + return $this->deletePropertyM( $this->exdate, $this->propdelix[$propName] ); + break; + case 'EXRULE': + return $this->deletePropertyM( $this->exrule, $this->propdelix[$propName] ); + break; + case 'FREEBUSY': + return $this->deletePropertyM( $this->freebusy, $this->propdelix[$propName] ); + break; + case 'GEO': + if( !empty( $this->geo )) { + $this->geo = ''; + $return = TRUE; + } + break; + case 'LAST-MODIFIED': + if( !empty( $this->lastmodified )) { + $this->lastmodified = ''; + $return = TRUE; + } + break; + case 'LOCATION': + if( !empty( $this->location )) { + $this->location = ''; + $return = TRUE; + } + break; + case 'ORGANIZER': + if( !empty( $this->organizer )) { + $this->organizer = ''; + $return = TRUE; + } + break; + case 'PERCENT-COMPLETE': + if( !empty( $this->percentcomplete )) { + $this->percentcomplete = ''; + $return = TRUE; + } + break; + case 'PRIORITY': + if( !empty( $this->priority )) { + $this->priority = ''; + $return = TRUE; + } + break; + case 'RDATE': + return $this->deletePropertyM( $this->rdate, $this->propdelix[$propName] ); + break; + case 'RECURRENCE-ID': + if( !empty( $this->recurrenceid )) { + $this->recurrenceid = ''; + $return = TRUE; + } + break; + case 'RELATED-TO': + return $this->deletePropertyM( $this->relatedto, $this->propdelix[$propName] ); + break; + case 'REPEAT': + if( !empty( $this->repeat )) { + $this->repeat = ''; + $return = TRUE; + } + break; + case 'REQUEST-STATUS': + return $this->deletePropertyM( $this->requeststatus, $this->propdelix[$propName] ); + break; + case 'RESOURCES': + return $this->deletePropertyM( $this->resources, $this->propdelix[$propName] ); + break; + case 'RRULE': + return $this->deletePropertyM( $this->rrule, $this->propdelix[$propName] ); + break; + case 'SEQUENCE': + if( !empty( $this->sequence )) { + $this->sequence = ''; + $return = TRUE; + } + break; + case 'STATUS': + if( !empty( $this->status )) { + $this->status = ''; + $return = TRUE; + } + break; + case 'SUMMARY': + if( !empty( $this->summary )) { + $this->summary = ''; + $return = TRUE; + } + break; + case 'TRANSP': + if( !empty( $this->transp )) { + $this->transp = ''; + $return = TRUE; + } + break; + case 'TRIGGER': + if( !empty( $this->trigger )) { + $this->trigger = ''; + $return = TRUE; + } + break; + case 'TZID': + if( !empty( $this->tzid )) { + $this->tzid = ''; + $return = TRUE; + } + break; + case 'TZNAME': + return $this->deletePropertyM( $this->tzname, $this->propdelix[$propName] ); + break; + case 'TZOFFSETFROM': + if( !empty( $this->tzoffsetfrom )) { + $this->tzoffsetfrom = ''; + $return = TRUE; + } + break; + case 'TZOFFSETTO': + if( !empty( $this->tzoffsetto )) { + $this->tzoffsetto = ''; + $return = TRUE; + } + break; + case 'TZURL': + if( !empty( $this->tzurl )) { + $this->tzurl = ''; + $return = TRUE; + } + break; + case 'UID': + if( in_array( $this->objName, array( 'valarm', 'vtimezone', 'standard', 'daylight' ))) + return FALSE; + if( !empty( $this->uid )) { + $this->uid = ''; + $return = TRUE; + } + break; + case 'URL': + if( !empty( $this->url )) { + $this->url = ''; + $return = TRUE; + } + break; + default: + $reduced = ''; + if( $propName != 'X-PROP' ) { + if( !isset( $this->xprop[$propName] )) return FALSE; + foreach( $this->xprop as $k => $a ) { + if(( $k != $propName ) && !empty( $a )) + $reduced[$k] = $a; + } + } + else { + if( count( $this->xprop ) <= $propix ) { unset( $this->propdelix[$propName] ); return FALSE; } + $xpropno = 0; + foreach( $this->xprop as $xpropkey => $xpropvalue ) { + if( $propix != $xpropno ) + $reduced[$xpropkey] = $xpropvalue; + $xpropno++; + } + } + $this->xprop = $reduced; + if( empty( $this->xprop )) { + unset( $this->propdelix[$propName] ); + return FALSE; + } + return TRUE; + } + return $return; + } +/*********************************************************************************/ +/** + * delete component property value, fixing components with multiple occurencies + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.8.8 - 2011-03-15 + * @param array $multiprop, reference to a component property + * @param int $propix, reference to removal counter + * @return bool TRUE + */ + function deletePropertyM( & $multiprop, & $propix ) { + if( isset( $multiprop[$propix] )) + unset( $multiprop[$propix] ); + if( empty( $multiprop )) { + $multiprop = ''; + unset( $propix ); + return FALSE; + } + else + return TRUE; + } +/** + * get component property value/params + * + * if property has multiply values, consequtive function calls are needed + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.12.4 - 2012-04-22 + * @param string $propName, optional + * @param int @propix, optional, if specific property is wanted in case of multiply occurences + * @param bool $inclParam=FALSE + * @param bool $specform=FALSE + * @return mixed + */ + function getProperty( $propName=FALSE, $propix=FALSE, $inclParam=FALSE, $specform=FALSE ) { + if( 'GEOLOCATION' == strtoupper( $propName )) { + $content = $this->getProperty( 'LOCATION' ); + $content = ( !empty( $content )) ? $content.' ' : ''; + if(( FALSE === ( $geo = $this->getProperty( 'GEO' ))) || empty( $geo )) + return FALSE; + if( 0.0 < $geo['latitude'] ) + $sign = '+'; + else + $sign = ( 0.0 > $geo['latitude'] ) ? '-' : ''; + $content .= $sign.sprintf( "%09.6f", abs( $geo['latitude'] )); // sprintf && lpad && float && sign !"#¤%&/( + $content = rtrim( rtrim( $content, '0' ), '.' ); + if( 0.0 < $geo['longitude'] ) + $sign = '+'; + else + $sign = ( 0.0 > $geo['longitude'] ) ? '-' : ''; + return $content.$sign.sprintf( '%8.6f', abs( $geo['longitude'] )).'/'; // sprintf && lpad && float && sign !"#¤%&/( + } + if( $this->_notExistProp( $propName )) return FALSE; + $propName = ( $propName ) ? strtoupper( $propName ) : 'X-PROP'; + if( in_array( $propName, array( 'ATTACH', 'ATTENDEE', 'CATEGORIES', 'COMMENT', 'CONTACT', 'DESCRIPTION', 'EXDATE', 'EXRULE', + 'FREEBUSY', 'RDATE', 'RELATED-TO', 'RESOURCES', 'RRULE', 'REQUEST-STATUS', 'TZNAME', 'X-PROP' ))) { + if( !$propix ) + $propix = ( isset( $this->propix[$propName] )) ? $this->propix[$propName] + 2 : 1; + $this->propix[$propName] = --$propix; + } + switch( $propName ) { + case 'ACTION': + if( !empty( $this->action['value'] )) return ( $inclParam ) ? $this->action : $this->action['value']; + break; + case 'ATTACH': + $ak = ( is_array( $this->attach )) ? array_keys( $this->attach ) : array(); + while( is_array( $this->attach ) && !isset( $this->attach[$propix] ) && ( 0 < count( $this->attach )) && ( $propix < end( $ak ))) + $propix++; + $this->propix[$propName] = $propix; + if( !isset( $this->attach[$propix] )) { unset( $this->propix[$propName] ); return FALSE; } + return ( $inclParam ) ? $this->attach[$propix] : $this->attach[$propix]['value']; + break; + case 'ATTENDEE': + $ak = ( is_array( $this->attendee )) ? array_keys( $this->attendee ) : array(); + while( is_array( $this->attendee ) && !isset( $this->attendee[$propix] ) && ( 0 < count( $this->attendee )) && ( $propix < end( $ak ))) + $propix++; + $this->propix[$propName] = $propix; + if( !isset( $this->attendee[$propix] )) { unset( $this->propix[$propName] ); return FALSE; } + return ( $inclParam ) ? $this->attendee[$propix] : $this->attendee[$propix]['value']; + break; + case 'CATEGORIES': + $ak = ( is_array( $this->categories )) ? array_keys( $this->categories ) : array(); + while( is_array( $this->categories ) && !isset( $this->categories[$propix] ) && ( 0 < count( $this->categories )) && ( $propix < end( $ak ))) + $propix++; + $this->propix[$propName] = $propix; + if( !isset( $this->categories[$propix] )) { unset( $this->propix[$propName] ); return FALSE; } + return ( $inclParam ) ? $this->categories[$propix] : $this->categories[$propix]['value']; + break; + case 'CLASS': + if( !empty( $this->class['value'] )) return ( $inclParam ) ? $this->class : $this->class['value']; + break; + case 'COMMENT': + $ak = ( is_array( $this->comment )) ? array_keys( $this->comment ) : array(); + while( is_array( $this->comment ) && !isset( $this->comment[$propix] ) && ( 0 < count( $this->comment )) && ( $propix < end( $ak ))) + $propix++; + $this->propix[$propName] = $propix; + if( !isset( $this->comment[$propix] )) { unset( $this->propix[$propName] ); return FALSE; } + return ( $inclParam ) ? $this->comment[$propix] : $this->comment[$propix]['value']; + break; + case 'COMPLETED': + if( !empty( $this->completed['value'] )) return ( $inclParam ) ? $this->completed : $this->completed['value']; + break; + case 'CONTACT': + $ak = ( is_array( $this->contact )) ? array_keys( $this->contact ) : array(); + while( is_array( $this->contact ) && !isset( $this->contact[$propix] ) && ( 0 < count( $this->contact )) && ( $propix < end( $ak ))) + $propix++; + $this->propix[$propName] = $propix; + if( !isset( $this->contact[$propix] )) { unset( $this->propix[$propName] ); return FALSE; } + return ( $inclParam ) ? $this->contact[$propix] : $this->contact[$propix]['value']; + break; + case 'CREATED': + if( !empty( $this->created['value'] )) return ( $inclParam ) ? $this->created : $this->created['value']; + break; + case 'DESCRIPTION': + $ak = ( is_array( $this->description )) ? array_keys( $this->description ) : array(); + while( is_array( $this->description ) && !isset( $this->description[$propix] ) && ( 0 < count( $this->description )) && ( $propix < end( $ak ))) + $propix++; + $this->propix[$propName] = $propix; + if( !isset( $this->description[$propix] )) { unset( $this->propix[$propName] ); return FALSE; } + return ( $inclParam ) ? $this->description[$propix] : $this->description[$propix]['value']; + break; + case 'DTEND': + if( !empty( $this->dtend['value'] )) return ( $inclParam ) ? $this->dtend : $this->dtend['value']; + break; + case 'DTSTAMP': + if( in_array( $this->objName, array( 'valarm', 'vtimezone', 'standard', 'daylight' ))) + return; + if( !isset( $this->dtstamp['value'] )) + $this->_makeDtstamp(); + return ( $inclParam ) ? $this->dtstamp : $this->dtstamp['value']; + break; + case 'DTSTART': + if( !empty( $this->dtstart['value'] )) return ( $inclParam ) ? $this->dtstart : $this->dtstart['value']; + break; + case 'DUE': + if( !empty( $this->due['value'] )) return ( $inclParam ) ? $this->due : $this->due['value']; + break; + case 'DURATION': + if( !isset( $this->duration['value'] )) return FALSE; + $value = ( $specform && isset( $this->dtstart['value'] ) && isset( $this->duration['value'] )) ? iCalUtilityFunctions::_duration2date( $this->dtstart['value'], $this->duration['value'] ) : $this->duration['value']; + return ( $inclParam ) ? array( 'value' => $value, 'params' => $this->duration['params'] ) : $value; + break; + case 'EXDATE': + $ak = ( is_array( $this->exdate )) ? array_keys( $this->exdate ) : array(); + while( is_array( $this->exdate ) && !isset( $this->exdate[$propix] ) && ( 0 < count( $this->exdate )) && ( $propix < end( $ak ))) + $propix++; + $this->propix[$propName] = $propix; + if( !isset( $this->exdate[$propix] )) { unset( $this->propix[$propName] ); return FALSE; } + return ( $inclParam ) ? $this->exdate[$propix] : $this->exdate[$propix]['value']; + break; + case 'EXRULE': + $ak = ( is_array( $this->exrule )) ? array_keys( $this->exrule ) : array(); + while( is_array( $this->exrule ) && !isset( $this->exrule[$propix] ) && ( 0 < count( $this->exrule )) && ( $propix < end( $ak ))) + $propix++; + $this->propix[$propName] = $propix; + if( !isset( $this->exrule[$propix] )) { unset( $this->propix[$propName] ); return FALSE; } + return ( $inclParam ) ? $this->exrule[$propix] : $this->exrule[$propix]['value']; + break; + case 'FREEBUSY': + $ak = ( is_array( $this->freebusy )) ? array_keys( $this->freebusy ) : array(); + while( is_array( $this->freebusy ) && !isset( $this->freebusy[$propix] ) && ( 0 < count( $this->freebusy )) && ( $propix < end( $ak ))) + $propix++; + $this->propix[$propName] = $propix; + if( !isset( $this->freebusy[$propix] )) { unset( $this->propix[$propName] ); return FALSE; } + return ( $inclParam ) ? $this->freebusy[$propix] : $this->freebusy[$propix]['value']; + break; + case 'GEO': + if( !empty( $this->geo['value'] )) return ( $inclParam ) ? $this->geo : $this->geo['value']; + break; + case 'LAST-MODIFIED': + if( !empty( $this->lastmodified['value'] )) return ( $inclParam ) ? $this->lastmodified : $this->lastmodified['value']; + break; + case 'LOCATION': + if( !empty( $this->location['value'] )) return ( $inclParam ) ? $this->location : $this->location['value']; + break; + case 'ORGANIZER': + if( !empty( $this->organizer['value'] )) return ( $inclParam ) ? $this->organizer : $this->organizer['value']; + break; + case 'PERCENT-COMPLETE': + if( !empty( $this->percentcomplete['value'] ) || ( isset( $this->percentcomplete['value'] ) && ( '0' == $this->percentcomplete['value'] ))) return ( $inclParam ) ? $this->percentcomplete : $this->percentcomplete['value']; + break; + case 'PRIORITY': + if( !empty( $this->priority['value'] ) || ( isset( $this->priority['value'] ) && ('0' == $this->priority['value'] ))) return ( $inclParam ) ? $this->priority : $this->priority['value']; + break; + case 'RDATE': + $ak = ( is_array( $this->rdate )) ? array_keys( $this->rdate ) : array(); + while( is_array( $this->rdate ) && !isset( $this->rdate[$propix] ) && ( 0 < count( $this->rdate )) && ( $propix < end( $ak ))) + $propix++; + $this->propix[$propName] = $propix; + if( !isset( $this->rdate[$propix] )) { unset( $this->propix[$propName] ); return FALSE; } + return ( $inclParam ) ? $this->rdate[$propix] : $this->rdate[$propix]['value']; + break; + case 'RECURRENCE-ID': + if( !empty( $this->recurrenceid['value'] )) return ( $inclParam ) ? $this->recurrenceid : $this->recurrenceid['value']; + break; + case 'RELATED-TO': + $ak = ( is_array( $this->relatedto )) ? array_keys( $this->relatedto ) : array(); + while( is_array( $this->relatedto ) && !isset( $this->relatedto[$propix] ) && ( 0 < count( $this->relatedto )) && ( $propix < end( $ak ))) + $propix++; + $this->propix[$propName] = $propix; + if( !isset( $this->relatedto[$propix] )) { unset( $this->propix[$propName] ); return FALSE; } + return ( $inclParam ) ? $this->relatedto[$propix] : $this->relatedto[$propix]['value']; + break; + case 'REPEAT': + if( !empty( $this->repeat['value'] ) || ( isset( $this->repeat['value'] ) && ( '0' == $this->repeat['value'] ))) return ( $inclParam ) ? $this->repeat : $this->repeat['value']; + break; + case 'REQUEST-STATUS': + $ak = ( is_array( $this->requeststatus )) ? array_keys( $this->requeststatus ) : array(); + while( is_array( $this->requeststatus ) && !isset( $this->requeststatus[$propix] ) && ( 0 < count( $this->requeststatus )) && ( $propix < end( $ak ))) + $propix++; + $this->propix[$propName] = $propix; + if( !isset( $this->requeststatus[$propix] )) { unset( $this->propix[$propName] ); return FALSE; } + return ( $inclParam ) ? $this->requeststatus[$propix] : $this->requeststatus[$propix]['value']; + break; + case 'RESOURCES': + $ak = ( is_array( $this->resources )) ? array_keys( $this->resources ) : array(); + while( is_array( $this->resources ) && !isset( $this->resources[$propix] ) && ( 0 < count( $this->resources )) && ( $propix < end( $ak ))) + $propix++; + $this->propix[$propName] = $propix; + if( !isset( $this->resources[$propix] )) { unset( $this->propix[$propName] ); return FALSE; } + return ( $inclParam ) ? $this->resources[$propix] : $this->resources[$propix]['value']; + break; + case 'RRULE': + $ak = ( is_array( $this->rrule )) ? array_keys( $this->rrule ) : array(); + while( is_array( $this->rrule ) && !isset( $this->rrule[$propix] ) && ( 0 < count( $this->rrule )) && ( $propix < end( $ak ))) + $propix++; + $this->propix[$propName] = $propix; + if( !isset( $this->rrule[$propix] )) { unset( $this->propix[$propName] ); return FALSE; } + return ( $inclParam ) ? $this->rrule[$propix] : $this->rrule[$propix]['value']; + break; + case 'SEQUENCE': + if( isset( $this->sequence['value'] ) && ( isset( $this->sequence['value'] ) && ( '0' <= $this->sequence['value'] ))) return ( $inclParam ) ? $this->sequence : $this->sequence['value']; + break; + case 'STATUS': + if( !empty( $this->status['value'] )) return ( $inclParam ) ? $this->status : $this->status['value']; + break; + case 'SUMMARY': + if( !empty( $this->summary['value'] )) return ( $inclParam ) ? $this->summary : $this->summary['value']; + break; + case 'TRANSP': + if( !empty( $this->transp['value'] )) return ( $inclParam ) ? $this->transp : $this->transp['value']; + break; + case 'TRIGGER': + if( !empty( $this->trigger['value'] )) return ( $inclParam ) ? $this->trigger : $this->trigger['value']; + break; + case 'TZID': + if( !empty( $this->tzid['value'] )) return ( $inclParam ) ? $this->tzid : $this->tzid['value']; + break; + case 'TZNAME': + $ak = ( is_array( $this->tzname )) ? array_keys( $this->tzname ) : array(); + while( is_array( $this->tzname ) && !isset( $this->tzname[$propix] ) && ( 0 < count( $this->tzname )) && ( $propix < end( $ak ))) + $propix++; + $this->propix[$propName] = $propix; + if( !isset( $this->tzname[$propix] )) { unset( $this->propix[$propName] ); return FALSE; } + return ( $inclParam ) ? $this->tzname[$propix] : $this->tzname[$propix]['value']; + break; + case 'TZOFFSETFROM': + if( !empty( $this->tzoffsetfrom['value'] )) return ( $inclParam ) ? $this->tzoffsetfrom : $this->tzoffsetfrom['value']; + break; + case 'TZOFFSETTO': + if( !empty( $this->tzoffsetto['value'] )) return ( $inclParam ) ? $this->tzoffsetto : $this->tzoffsetto['value']; + break; + case 'TZURL': + if( !empty( $this->tzurl['value'] )) return ( $inclParam ) ? $this->tzurl : $this->tzurl['value']; + break; + case 'UID': + if( in_array( $this->objName, array( 'valarm', 'vtimezone', 'standard', 'daylight' ))) + return FALSE; + if( empty( $this->uid['value'] )) + $this->_makeuid(); + return ( $inclParam ) ? $this->uid : $this->uid['value']; + break; + case 'URL': + if( !empty( $this->url['value'] )) return ( $inclParam ) ? $this->url : $this->url['value']; + break; + default: + if( $propName != 'X-PROP' ) { + if( !isset( $this->xprop[$propName] )) return FALSE; + return ( $inclParam ) ? array( $propName, $this->xprop[$propName] ) + : array( $propName, $this->xprop[$propName]['value'] ); + } + else { + if( empty( $this->xprop )) return FALSE; + $xpropno = 0; + foreach( $this->xprop as $xpropkey => $xpropvalue ) { + if( $propix == $xpropno ) + return ( $inclParam ) ? array( $xpropkey, $this->xprop[$xpropkey] ) + : array( $xpropkey, $this->xprop[$xpropkey]['value'] ); + else + $xpropno++; + } + return FALSE; // not found ?? + } + } + return FALSE; + } +/** + * returns calendar property unique values for 'ATTENDEE', 'CATEGORIES', 'CONTACT', 'RELATED-TO' or 'RESOURCES' and for each, number of occurrence + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.13.4 - 2012-08-07 + * @param string $propName + * @param array $output, incremented result array + */ + function _getProperties( $propName, & $output ) { + if( empty( $output )) + $output = array(); + if( !in_array( strtoupper( $propName ), array( 'ATTENDEE', 'CATEGORIES', 'CONTACT', 'RELATED-TO', 'RESOURCES' ))) + return $output; + while( FALSE !== ( $content = $this->getProperty( $propName ))) { + if( empty( $content )) + continue; + if( is_array( $content )) { + foreach( $content as $part ) { + if( FALSE !== strpos( $part, ',' )) { + $part = explode( ',', $part ); + foreach( $part as $thePart ) { + $thePart = trim( $thePart ); + if( !empty( $thePart )) { + if( !isset( $output[$thePart] )) + $output[$thePart] = 1; + else + $output[$thePart] += 1; + } + } + } + else { + $part = trim( $part ); + if( !isset( $output[$part] )) + $output[$part] = 1; + else + $output[$part] += 1; + } + } + } // end if( is_array( $content )) + elseif( FALSE !== strpos( $content, ',' )) { + $content = explode( ',', $content ); + foreach( $content as $thePart ) { + $thePart = trim( $thePart ); + if( !empty( $thePart )) { + if( !isset( $output[$thePart] )) + $output[$thePart] = 1; + else + $output[$thePart] += 1; + } + } + } // end elseif( FALSE !== strpos( $content, ',' )) + else { + $content = trim( $content ); + if( !empty( $content )) { + if( !isset( $output[$content] )) + $output[$content] = 1; + else + $output[$content] += 1; + } + } + } + ksort( $output ); + } +/** + * general component property setting + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.5.1 - 2008-11-05 + * @param mixed $args variable number of function arguments, + * first argument is ALWAYS component name, + * second ALWAYS component value! + * @return void + */ + function setProperty() { + $numargs = func_num_args(); + if( 1 > $numargs ) return FALSE; + $arglist = func_get_args(); + if( $this->_notExistProp( $arglist[0] )) return FALSE; + if( !$this->getConfig( 'allowEmpty' ) && ( !isset( $arglist[1] ) || empty( $arglist[1] ))) + return FALSE; + $arglist[0] = strtoupper( $arglist[0] ); + for( $argix=$numargs; $argix < 12; $argix++ ) { + if( !isset( $arglist[$argix] )) + $arglist[$argix] = null; + } + switch( $arglist[0] ) { + case 'ACTION': + return $this->setAction( $arglist[1], $arglist[2] ); + case 'ATTACH': + return $this->setAttach( $arglist[1], $arglist[2], $arglist[3] ); + case 'ATTENDEE': + return $this->setAttendee( $arglist[1], $arglist[2], $arglist[3] ); + case 'CATEGORIES': + return $this->setCategories( $arglist[1], $arglist[2], $arglist[3] ); + case 'CLASS': + return $this->setClass( $arglist[1], $arglist[2] ); + case 'COMMENT': + return $this->setComment( $arglist[1], $arglist[2], $arglist[3] ); + case 'COMPLETED': + return $this->setCompleted( $arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7] ); + case 'CONTACT': + return $this->setContact( $arglist[1], $arglist[2], $arglist[3] ); + case 'CREATED': + return $this->setCreated( $arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7] ); + case 'DESCRIPTION': + return $this->setDescription( $arglist[1], $arglist[2], $arglist[3] ); + case 'DTEND': + return $this->setDtend( $arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7], $arglist[8] ); + case 'DTSTAMP': + return $this->setDtstamp( $arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7] ); + case 'DTSTART': + return $this->setDtstart( $arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7], $arglist[8] ); + case 'DUE': + return $this->setDue( $arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7], $arglist[8] ); + case 'DURATION': + return $this->setDuration( $arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6] ); + case 'EXDATE': + return $this->setExdate( $arglist[1], $arglist[2], $arglist[3] ); + case 'EXRULE': + return $this->setExrule( $arglist[1], $arglist[2], $arglist[3] ); + case 'FREEBUSY': + return $this->setFreebusy( $arglist[1], $arglist[2], $arglist[3], $arglist[4] ); + case 'GEO': + return $this->setGeo( $arglist[1], $arglist[2], $arglist[3] ); + case 'LAST-MODIFIED': + return $this->setLastModified( $arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7] ); + case 'LOCATION': + return $this->setLocation( $arglist[1], $arglist[2] ); + case 'ORGANIZER': + return $this->setOrganizer( $arglist[1], $arglist[2] ); + case 'PERCENT-COMPLETE': + return $this->setPercentComplete( $arglist[1], $arglist[2] ); + case 'PRIORITY': + return $this->setPriority( $arglist[1], $arglist[2] ); + case 'RDATE': + return $this->setRdate( $arglist[1], $arglist[2], $arglist[3] ); + case 'RECURRENCE-ID': + return $this->setRecurrenceid( $arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7], $arglist[8] ); + case 'RELATED-TO': + return $this->setRelatedTo( $arglist[1], $arglist[2], $arglist[3] ); + case 'REPEAT': + return $this->setRepeat( $arglist[1], $arglist[2] ); + case 'REQUEST-STATUS': + return $this->setRequestStatus( $arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5] ); + case 'RESOURCES': + return $this->setResources( $arglist[1], $arglist[2], $arglist[3] ); + case 'RRULE': + return $this->setRrule( $arglist[1], $arglist[2], $arglist[3] ); + case 'SEQUENCE': + return $this->setSequence( $arglist[1], $arglist[2] ); + case 'STATUS': + return $this->setStatus( $arglist[1], $arglist[2] ); + case 'SUMMARY': + return $this->setSummary( $arglist[1], $arglist[2] ); + case 'TRANSP': + return $this->setTransp( $arglist[1], $arglist[2] ); + case 'TRIGGER': + return $this->setTrigger( $arglist[1], $arglist[2], $arglist[3], $arglist[4], $arglist[5], $arglist[6], $arglist[7], $arglist[8], $arglist[9], $arglist[10], $arglist[11] ); + case 'TZID': + return $this->setTzid( $arglist[1], $arglist[2] ); + case 'TZNAME': + return $this->setTzname( $arglist[1], $arglist[2], $arglist[3] ); + case 'TZOFFSETFROM': + return $this->setTzoffsetfrom( $arglist[1], $arglist[2] ); + case 'TZOFFSETTO': + return $this->setTzoffsetto( $arglist[1], $arglist[2] ); + case 'TZURL': + return $this->setTzurl( $arglist[1], $arglist[2] ); + case 'UID': + return $this->setUid( $arglist[1], $arglist[2] ); + case 'URL': + return $this->setUrl( $arglist[1], $arglist[2] ); + default: + return $this->setXprop( $arglist[0], $arglist[1], $arglist[2] ); + } + return FALSE; + } +/*********************************************************************************/ +/** + * parse component unparsed data into properties + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.15.10 - 2012-10-28 + * @param mixed $unparsedtext, optional, strict rfc2445 formatted, single property string or array of strings + * @return bool FALSE if error occurs during parsing + * + */ + function parse( $unparsedtext=null ) { + $nl = $this->getConfig( 'nl' ); + if( !empty( $unparsedtext )) { + if( is_array( $unparsedtext )) + $unparsedtext = implode( '\n'.$nl, $unparsedtext ); + $unparsedtext = explode( $nl, iCalUtilityFunctions::convEolChar( $unparsedtext, $nl )); + } + elseif( !isset( $this->unparsed )) + $unparsedtext = array(); + else + $unparsedtext = $this->unparsed; + /* skip leading (empty/invalid) lines */ + foreach( $unparsedtext as $lix => $line ) { + $tst = trim( $line ); + if(( '\n' == $tst ) || empty( $tst )) + unset( $unparsedtext[$lix] ); + else + break; + } + $this->unparsed = array(); + $comp = & $this; + $config = $this->getConfig(); + $compsync = $subsync = 0; + foreach ( $unparsedtext as $lix => $line ) { + if( 'END:VALARM' == strtoupper( substr( $line, 0, 10 ))) { + if( 1 != $subsync ) return FALSE; + $this->components[] = $comp->copy(); + $subsync--; + } + elseif( 'END:DAYLIGHT' == strtoupper( substr( $line, 0, 12 ))) { + if( 1 != $subsync ) return FALSE; + $this->components[] = $comp->copy(); + $subsync--; + } + elseif( 'END:STANDARD' == strtoupper( substr( $line, 0, 12 ))) { + if( 1 != $subsync ) return FALSE; + array_unshift( $this->components, $comp->copy()); + $subsync--; + } + elseif( 'END:' == strtoupper( substr( $line, 0, 4 ))) { // end: + if( 1 != $compsync ) return FALSE; + if( 0 < $subsync ) + $this->components[] = $comp->copy(); + $compsync--; + break; /* skip trailing empty lines */ + } + elseif( 'BEGIN:VALARM' == strtoupper( substr( $line, 0, 12 ))) { + $comp = new valarm( $config); + $subsync++; + } + elseif( 'BEGIN:STANDARD' == strtoupper( substr( $line, 0, 14 ))) { + $comp = new vtimezone( 'standard', $config ); + $subsync++; + } + elseif( 'BEGIN:DAYLIGHT' == strtoupper( substr( $line, 0, 14 ))) { + $comp = new vtimezone( 'daylight', $config ); + $subsync++; + } + elseif( 'BEGIN:' == strtoupper( substr( $line, 0, 6 ))) // begin: + $compsync++; + else + $comp->unparsed[] = $line; + } + if( 0 < $subsync ) + $this->components[] = $comp->copy(); + unset( $config ); + /* concatenate property values spread over several lines */ + $lastix = -1; + $propnames = array( 'action', 'attach', 'attendee', 'categories', 'comment', 'completed' + , 'contact', 'class', 'created', 'description', 'dtend', 'dtstart' + , 'dtstamp', 'due', 'duration', 'exdate', 'exrule', 'freebusy', 'geo' + , 'last-modified', 'location', 'organizer', 'percent-complete' + , 'priority', 'rdate', 'recurrence-id', 'related-to', 'repeat' + , 'request-status', 'resources', 'rrule', 'sequence', 'status' + , 'summary', 'transp', 'trigger', 'tzid', 'tzname', 'tzoffsetfrom' + , 'tzoffsetto', 'tzurl', 'uid', 'url', 'x-' ); + $proprows = array(); + for( $i = 0; $i < count( $this->unparsed ); $i++ ) { // concatenate lines + $line = rtrim( $this->unparsed[$i], $nl ); + while( isset( $this->unparsed[$i+1] ) && !empty( $this->unparsed[$i+1] ) && ( ' ' == $this->unparsed[$i+1]{0} )) + $line .= rtrim( substr( $this->unparsed[++$i], 1 ), $nl ); + $proprows[] = $line; + } + /* parse each property 'line' */ + $paramMStz = array( 'utc-', 'utc+', 'gmt-', 'gmt+' ); + $paramProto3 = array( 'fax:', 'cid:', 'sms:', 'tel:', 'urn:' ); + $paramProto4 = array( 'crid:', 'news:', 'pres:' ); + foreach( $proprows as $line ) { + if( '\n' == substr( $line, -2 )) + $line = substr( $line, 0, -2 ); + /* get propname */ + $propname = null; + $cix = 0; + while( isset( $line[$cix] )) { + if( in_array( $line[$cix], array( ':', ';' ))) + break; + else + $propname .= $line[$cix]; + $cix++; + } + if(( 'x-' == substr( $propname, 0, 2 )) || ( 'X-' == substr( $propname, 0, 2 ))) { + $propname2 = $propname; + $propname = 'X-'; + } + if( !in_array( strtolower( $propname ), $propnames )) // skip non standard property names + continue; + /* rest of the line is opt.params and value */ + $line = substr( $line, $cix ); + /* separate attributes from value */ + $attr = array(); + $attrix = -1; + $clen = strlen( $line ); + $WithinQuotes = FALSE; + $cix = 0; + while( FALSE !== substr( $line, $cix, 1 )) { + if( ( ':' == $line[$cix] ) && + ( substr( $line,$cix, 3 ) != '://' ) && + ( !in_array( strtolower( substr( $line,$cix - 6, 4 )), $paramMStz )) && + ( !in_array( strtolower( substr( $line,$cix - 3, 4 )), $paramProto3 )) && + ( !in_array( strtolower( substr( $line,$cix - 4, 5 )), $paramProto4 )) && + ( strtolower( substr( $line,$cix - 6, 7 )) != 'mailto:' ) && + !$WithinQuotes ) { + $attrEnd = TRUE; + if(( $cix < ( $clen - 4 )) && + ctype_digit( substr( $line, $cix+1, 4 ))) { // an URI with a (4pos) portnr?? + for( $c2ix = $cix; 3 < $c2ix; $c2ix-- ) { + if( '://' == substr( $line, $c2ix - 2, 3 )) { + $attrEnd = FALSE; + break; // an URI with a portnr!! + } + } + } + if( $attrEnd) { + $line = substr( $line, ( $cix + 1 )); + break; + } + $cix++; + } + if( '"' == $line[$cix] ) + $WithinQuotes = ( FALSE === $WithinQuotes ) ? TRUE : FALSE; + if( ';' == $line[$cix] ) + $attr[++$attrix] = null; + else + $attr[$attrix] .= $line[$cix]; + $cix++; + } + /* make attributes in array format */ + $propattr = array(); + foreach( $attr as $attribute ) { + $attrsplit = explode( '=', $attribute, 2 ); + if( 1 < count( $attrsplit )) + $propattr[$attrsplit[0]] = $attrsplit[1]; + else + $propattr[] = $attribute; + } + /* call setProperty( $propname.. . */ + switch( strtoupper( $propname )) { + case 'ATTENDEE': + foreach( $propattr as $pix => $attr ) { + if( !in_array( strtoupper( $pix ), array( 'MEMBER', 'DELEGATED-TO', 'DELEGATED-FROM' ))) + continue; + $attr2 = explode( ',', $attr ); + if( 1 < count( $attr2 )) + $propattr[$pix] = $attr2; + } + $this->setProperty( $propname, $line, $propattr ); + break; + case 'X-': + $propname = ( isset( $propname2 )) ? $propname2 : $propname; + unset( $propname2 ); + case 'CATEGORIES': + case 'RESOURCES': + if( FALSE !== strpos( $line, ',' )) { + $content = array( 0 => '' ); + $cix = $lix = 0; + while( FALSE !== substr( $line, $lix, 1 )) { + if(( ',' == $line[$lix] ) && ( "\\" != $line[( $lix - 1 )])) { + $cix++; + $content[$cix] = ''; + } + else + $content[$cix] .= $line[$lix]; + $lix++; + } + if( 1 < count( $content )) { + $content = array_values( $content ); + foreach( $content as $cix => $contentPart ) + $content[$cix] = calendarComponent::_strunrep( $contentPart ); + $this->setProperty( $propname, $content, $propattr ); + break; + } + else + $line = reset( $content ); + } + case 'COMMENT': + case 'CONTACT': + case 'DESCRIPTION': + case 'LOCATION': + case 'SUMMARY': + if( empty( $line )) + $propattr = null; + $this->setProperty( $propname, calendarComponent::_strunrep( $line ), $propattr ); + break; + case 'REQUEST-STATUS': + $values = explode( ';', $line, 3 ); + $values[1] = ( !isset( $values[1] )) ? null : calendarComponent::_strunrep( $values[1] ); + $values[2] = ( !isset( $values[2] )) ? null : calendarComponent::_strunrep( $values[2] ); + $this->setProperty( $propname + , $values[0] // statcode + , $values[1] // statdesc + , $values[2] // extdata + , $propattr ); + break; + case 'FREEBUSY': + $fbtype = ( isset( $propattr['FBTYPE'] )) ? $propattr['FBTYPE'] : ''; // force setting default, if missing + unset( $propattr['FBTYPE'] ); + $values = explode( ',', $line ); + foreach( $values as $vix => $value ) { + $value2 = explode( '/', $value ); + if( 1 < count( $value2 )) + $values[$vix] = $value2; + } + $this->setProperty( $propname, $fbtype, $values, $propattr ); + break; + case 'GEO': + $value = explode( ';', $line, 2 ); + if( 2 > count( $value )) + $value[1] = null; + $this->setProperty( $propname, $value[0], $value[1], $propattr ); + break; + case 'EXDATE': + $values = ( !empty( $line )) ? explode( ',', $line ) : null; + $this->setProperty( $propname, $values, $propattr ); + break; + case 'RDATE': + if( empty( $line )) { + $this->setProperty( $propname, $line, $propattr ); + break; + } + $values = explode( ',', $line ); + foreach( $values as $vix => $value ) { + $value2 = explode( '/', $value ); + if( 1 < count( $value2 )) + $values[$vix] = $value2; + } + $this->setProperty( $propname, $values, $propattr ); + break; + case 'EXRULE': + case 'RRULE': + $values = explode( ';', $line ); + $recur = array(); + foreach( $values as $value2 ) { + if( empty( $value2 )) + continue; // ;-char in ending position ??? + $value3 = explode( '=', $value2, 2 ); + $rulelabel = strtoupper( $value3[0] ); + switch( $rulelabel ) { + case 'BYDAY': { + $value4 = explode( ',', $value3[1] ); + if( 1 < count( $value4 )) { + foreach( $value4 as $v5ix => $value5 ) { + $value6 = array(); + $dayno = $dayname = null; + $value5 = trim( (string) $value5 ); + if(( ctype_alpha( substr( $value5, -1 ))) && + ( ctype_alpha( substr( $value5, -2, 1 )))) { + $dayname = substr( $value5, -2, 2 ); + if( 2 < strlen( $value5 )) + $dayno = substr( $value5, 0, ( strlen( $value5 ) - 2 )); + } + if( $dayno ) + $value6[] = $dayno; + if( $dayname ) + $value6['DAY'] = $dayname; + $value4[$v5ix] = $value6; + } + } + else { + $value4 = array(); + $dayno = $dayname = null; + $value5 = trim( (string) $value3[1] ); + if(( ctype_alpha( substr( $value5, -1 ))) && + ( ctype_alpha( substr( $value5, -2, 1 )))) { + $dayname = substr( $value5, -2, 2 ); + if( 2 < strlen( $value5 )) + $dayno = substr( $value5, 0, ( strlen( $value5 ) - 2 )); + } + if( $dayno ) + $value4[] = $dayno; + if( $dayname ) + $value4['DAY'] = $dayname; + } + $recur[$rulelabel] = $value4; + break; + } + default: { + $value4 = explode( ',', $value3[1] ); + if( 1 < count( $value4 )) + $value3[1] = $value4; + $recur[$rulelabel] = $value3[1]; + break; + } + } // end - switch $rulelabel + } // end - foreach( $values.. . + $this->setProperty( $propname, $recur, $propattr ); + break; + case 'ACTION': + case 'CLASSIFICATION': + case 'STATUS': + case 'TRANSP': + case 'UID': + case 'TZID': + case 'RELATED-TO': + case 'TZNAME': + $line = calendarComponent::_strunrep( $line ); + default: + $this->setProperty( $propname, $line, $propattr ); + break; + } // end switch( $propname.. . + } // end - foreach( $proprows.. . + unset( $unparsedtext, $this->unparsed, $proprows ); + if( isset( $this->components ) && is_array( $this->components ) && ( 0 < count( $this->components ))) { + $ckeys = array_keys( $this->components ); + foreach( $ckeys as $ckey ) { + if( !empty( $this->components[$ckey] ) && !empty( $this->components[$ckey]->unparsed )) { + $this->components[$ckey]->parse(); + } + } + } + return TRUE; + } +/*********************************************************************************/ +/*********************************************************************************/ +/** + * return a copy of this component + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.15.4 - 2012-10-18 + * @return object + */ + function copy() { + return unserialize( serialize( $this )); + } +/*********************************************************************************/ +/*********************************************************************************/ +/** + * delete calendar subcomponent from component container + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.8.8 - 2011-03-15 + * @param mixed $arg1 ordno / component type / component uid + * @param mixed $arg2 optional, ordno if arg1 = component type + * @return void + */ + function deleteComponent( $arg1, $arg2=FALSE ) { + if( !isset( $this->components )) return FALSE; + $argType = $index = null; + if ( ctype_digit( (string) $arg1 )) { + $argType = 'INDEX'; + $index = (int) $arg1 - 1; + } + elseif(( strlen( $arg1 ) <= strlen( 'vfreebusy' )) && ( FALSE === strpos( $arg1, '@' ))) { + $argType = strtolower( $arg1 ); + $index = ( !empty( $arg2 ) && ctype_digit( (string) $arg2 )) ? (( int ) $arg2 - 1 ) : 0; + } + $cix2dC = 0; + foreach ( $this->components as $cix => $component) { + if( empty( $component )) continue; + if(( 'INDEX' == $argType ) && ( $index == $cix )) { + unset( $this->components[$cix] ); + return TRUE; + } + elseif( $argType == $component->objName ) { + if( $index == $cix2dC ) { + unset( $this->components[$cix] ); + return TRUE; + } + $cix2dC++; + } + elseif( !$argType && ($arg1 == $component->getProperty( 'uid' ))) { + unset( $this->components[$cix] ); + return TRUE; + } + } + return FALSE; + } +/** + * get calendar component subcomponent from component container + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.8.8 - 2011-03-15 + * @param mixed $arg1 optional, ordno/component type/ component uid + * @param mixed $arg2 optional, ordno if arg1 = component type + * @return object + */ + function getComponent ( $arg1=FALSE, $arg2=FALSE ) { + if( !isset( $this->components )) return FALSE; + $index = $argType = null; + if ( !$arg1 ) { + $argType = 'INDEX'; + $index = $this->compix['INDEX'] = + ( isset( $this->compix['INDEX'] )) ? $this->compix['INDEX'] + 1 : 1; + } + elseif ( ctype_digit( (string) $arg1 )) { + $argType = 'INDEX'; + $index = (int) $arg1; + unset( $this->compix ); + } + elseif(( strlen( $arg1 ) <= strlen( 'vfreebusy' )) && ( FALSE === strpos( $arg1, '@' ))) { + unset( $this->compix['INDEX'] ); + $argType = strtolower( $arg1 ); + if( !$arg2 ) + $index = $this->compix[$argType] = ( isset( $this->compix[$argType] )) ? $this->compix[$argType] + 1 : 1; + else + $index = (int) $arg2; + } + $index -= 1; + $ckeys = array_keys( $this->components ); + if( !empty( $index) && ( $index > end( $ckeys ))) + return FALSE; + $cix2gC = 0; + foreach( $this->components as $cix => $component ) { + if( empty( $component )) continue; + if(( 'INDEX' == $argType ) && ( $index == $cix )) + return $component->copy(); + elseif( $argType == $component->objName ) { + if( $index == $cix2gC ) + return $component->copy(); + $cix2gC++; + } + elseif( !$argType && ( $arg1 == $component->getProperty( 'uid' ))) + return $component->copy(); + } + /* not found.. . */ + unset( $this->compix ); + return false; + } +/** + * add calendar component as subcomponent to container for subcomponents + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 1.x.x - 2007-04-24 + * @param object $component calendar component + * @return void + */ + function addSubComponent ( $component ) { + $this->setComponent( $component ); + } +/** + * create new calendar component subcomponent, already included within component + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.6.33 - 2011-01-03 + * @param string $compType subcomponent type + * @return object (reference) + */ + function & newComponent( $compType ) { + $config = $this->getConfig(); + $keys = array_keys( $this->components ); + $ix = end( $keys) + 1; + switch( strtoupper( $compType )) { + case 'ALARM': + case 'VALARM': + $this->components[$ix] = new valarm( $config ); + break; + case 'STANDARD': + array_unshift( $this->components, new vtimezone( 'STANDARD', $config )); + $ix = 0; + break; + case 'DAYLIGHT': + $this->components[$ix] = new vtimezone( 'DAYLIGHT', $config ); + break; + default: + return FALSE; + } + return $this->components[$ix]; + } +/** + * add calendar component as subcomponent to container for subcomponents + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.8.8 - 2011-03-15 + * @param object $component calendar component + * @param mixed $arg1 optional, ordno/component type/ component uid + * @param mixed $arg2 optional, ordno if arg1 = component type + * @return bool + */ + function setComponent( $component, $arg1=FALSE, $arg2=FALSE ) { + if( !isset( $this->components )) return FALSE; + $component->setConfig( $this->getConfig(), FALSE, TRUE ); + if( !in_array( $component->objName, array( 'valarm', 'vtimezone', 'standard', 'daylight' ))) { + /* make sure dtstamp and uid is set */ + $dummy = $component->getProperty( 'dtstamp' ); + $dummy = $component->getProperty( 'uid' ); + } + if( !$arg1 ) { // plain insert, last in chain + $this->components[] = $component->copy(); + return TRUE; + } + $argType = $index = null; + if ( ctype_digit( (string) $arg1 )) { // index insert/replace + $argType = 'INDEX'; + $index = (int) $arg1 - 1; + } + elseif( in_array( strtolower( $arg1 ), array( 'vevent', 'vtodo', 'vjournal', 'vfreebusy', 'valarm', 'vtimezone' ))) { + $argType = strtolower( $arg1 ); + $index = ( ctype_digit( (string) $arg2 )) ? ((int) $arg2) - 1 : 0; + } + // else if arg1 is set, arg1 must be an UID + $cix2sC = 0; + foreach ( $this->components as $cix => $component2 ) { + if( empty( $component2 )) continue; + if(( 'INDEX' == $argType ) && ( $index == $cix )) { // index insert/replace + $this->components[$cix] = $component->copy(); + return TRUE; + } + elseif( $argType == $component2->objName ) { // component Type index insert/replace + if( $index == $cix2sC ) { + $this->components[$cix] = $component->copy(); + return TRUE; + } + $cix2sC++; + } + elseif( !$argType && ( $arg1 == $component2->getProperty( 'uid' ))) { // UID insert/replace + $this->components[$cix] = $component->copy(); + return TRUE; + } + } + /* arg1=index and not found.. . insert at index .. .*/ + if( 'INDEX' == $argType ) { + $this->components[$index] = $component->copy(); + ksort( $this->components, SORT_NUMERIC ); + } + else /* not found.. . insert last in chain anyway .. .*/ + $this->components[] = $component->copy(); + return TRUE; + } +/** + * creates formatted output for subcomponents + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.11.20 - 2012-02-06 + * @param array $xcaldecl + * @return string + */ + function createSubComponent() { + $output = null; + if( 'vtimezone' == $this->objName ) { // sort subComponents, first standard, then daylight, in dtstart order + $stdarr = $dlarr = array(); + foreach( $this->components as $component ) { + if( empty( $component )) + continue; + $dt = $component->getProperty( 'dtstart' ); + $key = sprintf( '%04d%02d%02d%02d%02d%02d000', $dt['year'], $dt['month'], $dt['day'], $dt['hour'], $dt['min'], $dt['sec'] ); + if( 'standard' == $component->objName ) { + while( isset( $stdarr[$key] )) + $key += 1; + $stdarr[$key] = $component->copy(); + } + elseif( 'daylight' == $component->objName ) { + while( isset( $dlarr[$key] )) + $key += 1; + $dlarr[$key] = $component->copy(); + } + } // end foreach( $this->components as $component ) + $this->components = array(); + ksort( $stdarr, SORT_NUMERIC ); + foreach( $stdarr as $std ) + $this->components[] = $std->copy(); + unset( $stdarr ); + ksort( $dlarr, SORT_NUMERIC ); + foreach( $dlarr as $dl ) + $this->components[] = $dl->copy(); + unset( $dlarr ); + } // end if( 'vtimezone' == $this->objName ) + foreach( $this->components as $component ) { + $component->setConfig( $this->getConfig(), FALSE, TRUE ); + $output .= $component->createComponent( $this->xcaldecl ); + } + return $output; + } +/********************************************************************************/ +/** + * break lines at pos 75 + * + * Lines of text SHOULD NOT be longer than 75 octets, excluding the line + * break. Long content lines SHOULD be split into a multiple line + * representations using a line "folding" technique. That is, a long + * line can be split between any two characters by inserting a CRLF + * immediately followed by a single linear white space character (i.e., + * SPACE, US-ASCII decimal 32 or HTAB, US-ASCII decimal 9). Any sequence + * of CRLF followed immediately by a single linear white space character + * is ignored (i.e., removed) when processing the content type. + * + * Edited 2007-08-26 by Anders Litzell, anders@litzell.se to fix bug where + * the reserved expression "\n" in the arg $string could be broken up by the + * folding of lines, causing ambiguity in the return string. + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.12.17 - 2012-07-15 + * @param string $value + * @return string + */ + function _size75( $string ) { + $tmp = $string; + $string = ''; + $cCnt = $x = 0; + while( TRUE ) { + if( !isset( $tmp[$x] )) { + $string .= $this->nl; // loop breakes here + break; + } + elseif(( 74 <= $cCnt ) && ( '\\' == $tmp[$x] ) && ( 'n' == $tmp[$x+1] )) { + $string .= $this->nl.' \n'; // don't break lines inside '\n' + $x += 2; + if( !isset( $tmp[$x] )) { + $string .= $this->nl; + break; + } + $cCnt = 3; + } + elseif( 75 <= $cCnt ) { + $string .= $this->nl.' '; + $cCnt = 1; + } + $byte = ord( $tmp[$x] ); + $string .= $tmp[$x]; + switch( TRUE ) { // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8 + case(( $byte >= 0x20 ) && ( $byte <= 0x7F )): // characters U-00000000 - U-0000007F (same as ASCII) + $cCnt += 1; + break; // add a one byte character + case(( $byte & 0xE0) == 0xC0 ): // characters U-00000080 - U-000007FF, mask 110XXXXX + if( isset( $tmp[$x+1] )) { + $cCnt += 1; + $string .= $tmp[$x+1]; + $x += 1; // add a two bytes character + } + break; + case(( $byte & 0xF0 ) == 0xE0 ): // characters U-00000800 - U-0000FFFF, mask 1110XXXX + if( isset( $tmp[$x+2] )) { + $cCnt += 1; + $string .= $tmp[$x+1].$tmp[$x+2]; + $x += 2; // add a three bytes character + } + break; + case(( $byte & 0xF8 ) == 0xF0 ): // characters U-00010000 - U-001FFFFF, mask 11110XXX + if( isset( $tmp[$x+3] )) { + $cCnt += 1; + $string .= $tmp[$x+1].$tmp[$x+2].$tmp[$x+3]; + $x += 3; // add a four bytes character + } + break; + case(( $byte & 0xFC ) == 0xF8 ): // characters U-00200000 - U-03FFFFFF, mask 111110XX + if( isset( $tmp[$x+4] )) { + $cCnt += 1; + $string .= $tmp[$x+1].$tmp[$x+2].$tmp[$x+3].$tmp[$x+4]; + $x += 4; // add a five bytes character + } + break; + case(( $byte & 0xFE ) == 0xFC ): // characters U-04000000 - U-7FFFFFFF, mask 1111110X + if( isset( $tmp[$x+5] )) { + $cCnt += 1; + $string .= $tmp[$x+1].$tmp[$x+2].$tmp[$x+3].$tmp[$x+4].$tmp[$x+5]; + $x += 5; // add a six bytes character + } + default: // add any other byte without counting up $cCnt + break; + } // end switch( TRUE ) + $x += 1; // next 'byte' to test + } // end while( TRUE ) { + return $string; + } +/** + * special characters management output + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.12.16 - 2012-07-16 + * @param string $string + * @return string + */ + function _strrep( $string ) { + switch( $this->format ) { + case 'xcal': + $string = str_replace( '\n', $this->nl, $string); + $string = htmlspecialchars( strip_tags( stripslashes( urldecode ( $string )))); + break; + default: + $pos = 0; + $specChars = array( 'n', 'N', 'r', ',', ';' ); + while( isset( $string[$pos] )) { + if( FALSE === ( $pos = strpos( $string, "\\", $pos ))) + break; + if( !in_array( substr( $string, $pos, 1 ), $specChars )) { + $string = substr( $string, 0, $pos )."\\".substr( $string, ( $pos + 1 )); + $pos += 1; + } + $pos += 1; + } + if( FALSE !== strpos( $string, '"' )) + $string = str_replace('"', "'", $string); + if( FALSE !== strpos( $string, ',' )) + $string = str_replace(',', '\,', $string); + if( FALSE !== strpos( $string, ';' )) + $string = str_replace(';', '\;', $string); + if( FALSE !== strpos( $string, "\r\n" )) + $string = str_replace( "\r\n", '\n', $string); + elseif( FALSE !== strpos( $string, "\r" )) + $string = str_replace( "\r", '\n', $string); + elseif( FALSE !== strpos( $string, "\n" )) + $string = str_replace( "\n", '\n', $string); + if( FALSE !== strpos( $string, '\N' )) + $string = str_replace( '\N', '\n', $string); +// if( FALSE !== strpos( $string, $this->nl )) + $string = str_replace( $this->nl, '\n', $string); + break; + } + return $string; + } +/** + * special characters management input (from iCal file) + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.6.22 - 2010-10-17 + * @param string $string + * @return string + */ + static function _strunrep( $string ) { + $string = str_replace( '\\\\', '\\', $string); + $string = str_replace( '\,', ',', $string); + $string = str_replace( '\;', ';', $string); +// $string = str_replace( '\n', $this->nl, $string); // ?? + return $string; + } +} +/*********************************************************************************/ +/*********************************************************************************/ +/** + * class for calendar component VEVENT + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.5.1 - 2008-10-12 + */ +class vevent extends calendarComponent { + var $attach; + var $attendee; + var $categories; + var $comment; + var $contact; + var $class; + var $created; + var $description; + var $dtend; + var $dtstart; + var $duration; + var $exdate; + var $exrule; + var $geo; + var $lastmodified; + var $location; + var $organizer; + var $priority; + var $rdate; + var $recurrenceid; + var $relatedto; + var $requeststatus; + var $resources; + var $rrule; + var $sequence; + var $status; + var $summary; + var $transp; + var $url; + var $xprop; + // component subcomponents container + var $components; +/** + * constructor for calendar component VEVENT object + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.8.2 - 2011-05-01 + * @param array $config + * @return void + */ + function vevent( $config = array()) { + $this->calendarComponent(); + + $this->attach = ''; + $this->attendee = ''; + $this->categories = ''; + $this->class = ''; + $this->comment = ''; + $this->contact = ''; + $this->created = ''; + $this->description = ''; + $this->dtstart = ''; + $this->dtend = ''; + $this->duration = ''; + $this->exdate = ''; + $this->exrule = ''; + $this->geo = ''; + $this->lastmodified = ''; + $this->location = ''; + $this->organizer = ''; + $this->priority = ''; + $this->rdate = ''; + $this->recurrenceid = ''; + $this->relatedto = ''; + $this->requeststatus = ''; + $this->resources = ''; + $this->rrule = ''; + $this->sequence = ''; + $this->status = ''; + $this->summary = ''; + $this->transp = ''; + $this->url = ''; + $this->xprop = ''; + + $this->components = array(); + + if( defined( 'ICAL_LANG' ) && !isset( $config['language'] )) + $config['language'] = ICAL_LANG; + if( !isset( $config['allowEmpty'] )) $config['allowEmpty'] = TRUE; + if( !isset( $config['nl'] )) $config['nl'] = "\r\n"; + if( !isset( $config['format'] )) $config['format'] = 'iCal'; + if( !isset( $config['delimiter'] )) $config['delimiter'] = DIRECTORY_SEPARATOR; + $this->setConfig( $config ); + + } +/** + * create formatted output for calendar component VEVENT object instance + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.10.16 - 2011-10-28 + * @param array $xcaldecl + * @return string + */ + function createComponent( &$xcaldecl ) { + $objectname = $this->_createFormat(); + $component = $this->componentStart1.$objectname.$this->componentStart2.$this->nl; + $component .= $this->createUid(); + $component .= $this->createDtstamp(); + $component .= $this->createAttach(); + $component .= $this->createAttendee(); + $component .= $this->createCategories(); + $component .= $this->createComment(); + $component .= $this->createContact(); + $component .= $this->createClass(); + $component .= $this->createCreated(); + $component .= $this->createDescription(); + $component .= $this->createDtstart(); + $component .= $this->createDtend(); + $component .= $this->createDuration(); + $component .= $this->createExdate(); + $component .= $this->createExrule(); + $component .= $this->createGeo(); + $component .= $this->createLastModified(); + $component .= $this->createLocation(); + $component .= $this->createOrganizer(); + $component .= $this->createPriority(); + $component .= $this->createRdate(); + $component .= $this->createRrule(); + $component .= $this->createRelatedTo(); + $component .= $this->createRequestStatus(); + $component .= $this->createRecurrenceid(); + $component .= $this->createResources(); + $component .= $this->createSequence(); + $component .= $this->createStatus(); + $component .= $this->createSummary(); + $component .= $this->createTransp(); + $component .= $this->createUrl(); + $component .= $this->createXprop(); + $component .= $this->createSubComponent(); + $component .= $this->componentEnd1.$objectname.$this->componentEnd2; + if( is_array( $this->xcaldecl ) && ( 0 < count( $this->xcaldecl ))) { + foreach( $this->xcaldecl as $localxcaldecl ) + $xcaldecl[] = $localxcaldecl; + } + return $component; + } +} +/*********************************************************************************/ +/*********************************************************************************/ +/** + * class for calendar component VTODO + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.5.1 - 2008-10-12 + */ +class vtodo extends calendarComponent { + var $attach; + var $attendee; + var $categories; + var $comment; + var $completed; + var $contact; + var $class; + var $created; + var $description; + var $dtstart; + var $due; + var $duration; + var $exdate; + var $exrule; + var $geo; + var $lastmodified; + var $location; + var $organizer; + var $percentcomplete; + var $priority; + var $rdate; + var $recurrenceid; + var $relatedto; + var $requeststatus; + var $resources; + var $rrule; + var $sequence; + var $status; + var $summary; + var $url; + var $xprop; + // component subcomponents container + var $components; +/** + * constructor for calendar component VTODO object + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.8.2 - 2011-05-01 + * @param array $config + * @return void + */ + function vtodo( $config = array()) { + $this->calendarComponent(); + + $this->attach = ''; + $this->attendee = ''; + $this->categories = ''; + $this->class = ''; + $this->comment = ''; + $this->completed = ''; + $this->contact = ''; + $this->created = ''; + $this->description = ''; + $this->dtstart = ''; + $this->due = ''; + $this->duration = ''; + $this->exdate = ''; + $this->exrule = ''; + $this->geo = ''; + $this->lastmodified = ''; + $this->location = ''; + $this->organizer = ''; + $this->percentcomplete = ''; + $this->priority = ''; + $this->rdate = ''; + $this->recurrenceid = ''; + $this->relatedto = ''; + $this->requeststatus = ''; + $this->resources = ''; + $this->rrule = ''; + $this->sequence = ''; + $this->status = ''; + $this->summary = ''; + $this->url = ''; + $this->xprop = ''; + + $this->components = array(); + + if( defined( 'ICAL_LANG' ) && !isset( $config['language'] )) + $config['language'] = ICAL_LANG; + if( !isset( $config['allowEmpty'] )) $config['allowEmpty'] = TRUE; + if( !isset( $config['nl'] )) $config['nl'] = "\r\n"; + if( !isset( $config['format'] )) $config['format'] = 'iCal'; + if( !isset( $config['delimiter'] )) $config['delimiter'] = DIRECTORY_SEPARATOR; + $this->setConfig( $config ); + + } +/** + * create formatted output for calendar component VTODO object instance + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.5.1 - 2008-11-07 + * @param array $xcaldecl + * @return string + */ + function createComponent( &$xcaldecl ) { + $objectname = $this->_createFormat(); + $component = $this->componentStart1.$objectname.$this->componentStart2.$this->nl; + $component .= $this->createUid(); + $component .= $this->createDtstamp(); + $component .= $this->createAttach(); + $component .= $this->createAttendee(); + $component .= $this->createCategories(); + $component .= $this->createClass(); + $component .= $this->createComment(); + $component .= $this->createCompleted(); + $component .= $this->createContact(); + $component .= $this->createCreated(); + $component .= $this->createDescription(); + $component .= $this->createDtstart(); + $component .= $this->createDue(); + $component .= $this->createDuration(); + $component .= $this->createExdate(); + $component .= $this->createExrule(); + $component .= $this->createGeo(); + $component .= $this->createLastModified(); + $component .= $this->createLocation(); + $component .= $this->createOrganizer(); + $component .= $this->createPercentComplete(); + $component .= $this->createPriority(); + $component .= $this->createRdate(); + $component .= $this->createRelatedTo(); + $component .= $this->createRequestStatus(); + $component .= $this->createRecurrenceid(); + $component .= $this->createResources(); + $component .= $this->createRrule(); + $component .= $this->createSequence(); + $component .= $this->createStatus(); + $component .= $this->createSummary(); + $component .= $this->createUrl(); + $component .= $this->createXprop(); + $component .= $this->createSubComponent(); + $component .= $this->componentEnd1.$objectname.$this->componentEnd2; + if( is_array( $this->xcaldecl ) && ( 0 < count( $this->xcaldecl ))) { + foreach( $this->xcaldecl as $localxcaldecl ) + $xcaldecl[] = $localxcaldecl; + } + return $component; + } +} +/*********************************************************************************/ +/*********************************************************************************/ +/** + * class for calendar component VJOURNAL + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.5.1 - 2008-10-12 + */ +class vjournal extends calendarComponent { + var $attach; + var $attendee; + var $categories; + var $comment; + var $contact; + var $class; + var $created; + var $description; + var $dtstart; + var $exdate; + var $exrule; + var $lastmodified; + var $organizer; + var $rdate; + var $recurrenceid; + var $relatedto; + var $requeststatus; + var $rrule; + var $sequence; + var $status; + var $summary; + var $url; + var $xprop; +/** + * constructor for calendar component VJOURNAL object + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.8.2 - 2011-05-01 + * @param array $config + * @return void + */ + function vjournal( $config = array()) { + $this->calendarComponent(); + + $this->attach = ''; + $this->attendee = ''; + $this->categories = ''; + $this->class = ''; + $this->comment = ''; + $this->contact = ''; + $this->created = ''; + $this->description = ''; + $this->dtstart = ''; + $this->exdate = ''; + $this->exrule = ''; + $this->lastmodified = ''; + $this->organizer = ''; + $this->rdate = ''; + $this->recurrenceid = ''; + $this->relatedto = ''; + $this->requeststatus = ''; + $this->rrule = ''; + $this->sequence = ''; + $this->status = ''; + $this->summary = ''; + $this->url = ''; + $this->xprop = ''; + + if( defined( 'ICAL_LANG' ) && !isset( $config['language'] )) + $config['language'] = ICAL_LANG; + if( !isset( $config['allowEmpty'] )) $config['allowEmpty'] = TRUE; + if( !isset( $config['nl'] )) $config['nl'] = "\r\n"; + if( !isset( $config['format'] )) $config['format'] = 'iCal'; + if( !isset( $config['delimiter'] )) $config['delimiter'] = DIRECTORY_SEPARATOR; + $this->setConfig( $config ); + + } +/** + * create formatted output for calendar component VJOURNAL object instance + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.5.1 - 2008-10-12 + * @param array $xcaldecl + * @return string + */ + function createComponent( &$xcaldecl ) { + $objectname = $this->_createFormat(); + $component = $this->componentStart1.$objectname.$this->componentStart2.$this->nl; + $component .= $this->createUid(); + $component .= $this->createDtstamp(); + $component .= $this->createAttach(); + $component .= $this->createAttendee(); + $component .= $this->createCategories(); + $component .= $this->createClass(); + $component .= $this->createComment(); + $component .= $this->createContact(); + $component .= $this->createCreated(); + $component .= $this->createDescription(); + $component .= $this->createDtstart(); + $component .= $this->createExdate(); + $component .= $this->createExrule(); + $component .= $this->createLastModified(); + $component .= $this->createOrganizer(); + $component .= $this->createRdate(); + $component .= $this->createRequestStatus(); + $component .= $this->createRecurrenceid(); + $component .= $this->createRelatedTo(); + $component .= $this->createRrule(); + $component .= $this->createSequence(); + $component .= $this->createStatus(); + $component .= $this->createSummary(); + $component .= $this->createUrl(); + $component .= $this->createXprop(); + $component .= $this->componentEnd1.$objectname.$this->componentEnd2; + if( is_array( $this->xcaldecl ) && ( 0 < count( $this->xcaldecl ))) { + foreach( $this->xcaldecl as $localxcaldecl ) + $xcaldecl[] = $localxcaldecl; + } + return $component; + } +} +/*********************************************************************************/ +/*********************************************************************************/ +/** + * class for calendar component VFREEBUSY + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.5.1 - 2008-10-12 + */ +class vfreebusy extends calendarComponent { + var $attendee; + var $comment; + var $contact; + var $dtend; + var $dtstart; + var $duration; + var $freebusy; + var $organizer; + var $requeststatus; + var $url; + var $xprop; + // component subcomponents container + var $components; +/** + * constructor for calendar component VFREEBUSY object + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.8.2 - 2011-05-01 + * @param array $config + * @return void + */ + function vfreebusy( $config = array()) { + $this->calendarComponent(); + + $this->attendee = ''; + $this->comment = ''; + $this->contact = ''; + $this->dtend = ''; + $this->dtstart = ''; + $this->duration = ''; + $this->freebusy = ''; + $this->organizer = ''; + $this->requeststatus = ''; + $this->url = ''; + $this->xprop = ''; + + if( defined( 'ICAL_LANG' ) && !isset( $config['language'] )) + $config['language'] = ICAL_LANG; + if( !isset( $config['allowEmpty'] )) $config['allowEmpty'] = TRUE; + if( !isset( $config['nl'] )) $config['nl'] = "\r\n"; + if( !isset( $config['format'] )) $config['format'] = 'iCal'; + if( !isset( $config['delimiter'] )) $config['delimiter'] = DIRECTORY_SEPARATOR; + $this->setConfig( $config ); + + } +/** + * create formatted output for calendar component VFREEBUSY object instance + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.3.1 - 2007-11-19 + * @param array $xcaldecl + * @return string + */ + function createComponent( &$xcaldecl ) { + $objectname = $this->_createFormat(); + $component = $this->componentStart1.$objectname.$this->componentStart2.$this->nl; + $component .= $this->createUid(); + $component .= $this->createDtstamp(); + $component .= $this->createAttendee(); + $component .= $this->createComment(); + $component .= $this->createContact(); + $component .= $this->createDtstart(); + $component .= $this->createDtend(); + $component .= $this->createDuration(); + $component .= $this->createFreebusy(); + $component .= $this->createOrganizer(); + $component .= $this->createRequestStatus(); + $component .= $this->createUrl(); + $component .= $this->createXprop(); + $component .= $this->componentEnd1.$objectname.$this->componentEnd2; + if( is_array( $this->xcaldecl ) && ( 0 < count( $this->xcaldecl ))) { + foreach( $this->xcaldecl as $localxcaldecl ) + $xcaldecl[] = $localxcaldecl; + } + return $component; + } +} +/*********************************************************************************/ +/*********************************************************************************/ +/** + * class for calendar component VALARM + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.5.1 - 2008-10-12 + */ +class valarm extends calendarComponent { + var $action; + var $attach; + var $attendee; + var $description; + var $duration; + var $repeat; + var $summary; + var $trigger; + var $xprop; +/** + * constructor for calendar component VALARM object + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.8.2 - 2011-05-01 + * @param array $config + * @return void + */ + function valarm( $config = array()) { + $this->calendarComponent(); + + $this->action = ''; + $this->attach = ''; + $this->attendee = ''; + $this->description = ''; + $this->duration = ''; + $this->repeat = ''; + $this->summary = ''; + $this->trigger = ''; + $this->xprop = ''; + + if( defined( 'ICAL_LANG' ) && !isset( $config['language'] )) + $config['language'] = ICAL_LANG; + if( !isset( $config['allowEmpty'] )) $config['allowEmpty'] = TRUE; + if( !isset( $config['nl'] )) $config['nl'] = "\r\n"; + if( !isset( $config['format'] )) $config['format'] = 'iCal'; + if( !isset( $config['delimiter'] )) $config['delimiter'] = DIRECTORY_SEPARATOR; + $this->setConfig( $config ); + + } +/** + * create formatted output for calendar component VALARM object instance + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.5.1 - 2008-10-22 + * @param array $xcaldecl + * @return string + */ + function createComponent( &$xcaldecl ) { + $objectname = $this->_createFormat(); + $component = $this->componentStart1.$objectname.$this->componentStart2.$this->nl; + $component .= $this->createAction(); + $component .= $this->createAttach(); + $component .= $this->createAttendee(); + $component .= $this->createDescription(); + $component .= $this->createDuration(); + $component .= $this->createRepeat(); + $component .= $this->createSummary(); + $component .= $this->createTrigger(); + $component .= $this->createXprop(); + $component .= $this->componentEnd1.$objectname.$this->componentEnd2; + if( is_array( $this->xcaldecl ) && ( 0 < count( $this->xcaldecl ))) { + foreach( $this->xcaldecl as $localxcaldecl ) + $xcaldecl[] = $localxcaldecl; + } + return $component; + } +} +/********************************************************************************** +/*********************************************************************************/ +/** + * class for calendar component VTIMEZONE + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.5.1 - 2008-10-12 + */ +class vtimezone extends calendarComponent { + var $timezonetype; + + var $comment; + var $dtstart; + var $lastmodified; + var $rdate; + var $rrule; + var $tzid; + var $tzname; + var $tzoffsetfrom; + var $tzoffsetto; + var $tzurl; + var $xprop; + // component subcomponents container + var $components; +/** + * constructor for calendar component VTIMEZONE object + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.8.2 - 2011-05-01 + * @param mixed $timezonetype optional, default FALSE ( STANDARD / DAYLIGHT ) + * @param array $config + * @return void + */ + function vtimezone( $timezonetype=FALSE, $config = array()) { + if( is_array( $timezonetype )) { + $config = $timezonetype; + $timezonetype = FALSE; + } + if( !$timezonetype ) + $this->timezonetype = 'VTIMEZONE'; + else + $this->timezonetype = strtoupper( $timezonetype ); + $this->calendarComponent(); + + $this->comment = ''; + $this->dtstart = ''; + $this->lastmodified = ''; + $this->rdate = ''; + $this->rrule = ''; + $this->tzid = ''; + $this->tzname = ''; + $this->tzoffsetfrom = ''; + $this->tzoffsetto = ''; + $this->tzurl = ''; + $this->xprop = ''; + + $this->components = array(); + + if( defined( 'ICAL_LANG' ) && !isset( $config['language'] )) + $config['language'] = ICAL_LANG; + if( !isset( $config['allowEmpty'] )) $config['allowEmpty'] = TRUE; + if( !isset( $config['nl'] )) $config['nl'] = "\r\n"; + if( !isset( $config['format'] )) $config['format'] = 'iCal'; + if( !isset( $config['delimiter'] )) $config['delimiter'] = DIRECTORY_SEPARATOR; + $this->setConfig( $config ); + + } +/** + * create formatted output for calendar component VTIMEZONE object instance + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.5.1 - 2008-10-25 + * @param array $xcaldecl + * @return string + */ + function createComponent( &$xcaldecl ) { + $objectname = $this->_createFormat(); + $component = $this->componentStart1.$objectname.$this->componentStart2.$this->nl; + $component .= $this->createTzid(); + $component .= $this->createLastModified(); + $component .= $this->createTzurl(); + $component .= $this->createDtstart(); + $component .= $this->createTzoffsetfrom(); + $component .= $this->createTzoffsetto(); + $component .= $this->createComment(); + $component .= $this->createRdate(); + $component .= $this->createRrule(); + $component .= $this->createTzname(); + $component .= $this->createXprop(); + $component .= $this->createSubComponent(); + $component .= $this->componentEnd1.$objectname.$this->componentEnd2; + if( is_array( $this->xcaldecl ) && ( 0 < count( $this->xcaldecl ))) { + foreach( $this->xcaldecl as $localxcaldecl ) + $xcaldecl[] = $localxcaldecl; + } + return $component; + } +} +/*********************************************************************************/ +/*********************************************************************************/ +/** + * moving all utility (static) functions to a utility class + * 20111223 - move iCalUtilityFunctions class to the end of the iCalcreator class file + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.10.1 - 2011-07-16 + * + */ +class iCalUtilityFunctions { + // Store the single instance of iCalUtilityFunctions + private static $m_pInstance; + + // Private constructor to limit object instantiation to within the class + private function __construct() { + $m_pInstance = FALSE; + } + + // Getter method for creating/returning the single instance of this class + public static function getInstance() { + if (!self::$m_pInstance) + self::$m_pInstance = new iCalUtilityFunctions(); + + return self::$m_pInstance; + } +/** + * ensures internal date-time/date format (keyed array) for an input date-time/date array (keyed or unkeyed) + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.14.1 - 2012-09-27 + * @param array $datetime + * @param int $parno optional, default FALSE + * @return array + */ + public static function _date_time_array( $datetime, $parno=FALSE ) { + return iCalUtilityFunctions::_chkDateArr( $datetime, $parno ); + } + public static function _chkDateArr( $datetime, $parno=FALSE ) { + $output = array(); + foreach( $datetime as $dateKey => $datePart ) { + switch ( $dateKey ) { + case '0': case 'year': $output['year'] = $datePart; break; + case '1': case 'month': $output['month'] = $datePart; break; + case '2': case 'day': $output['day'] = $datePart; break; + } + if( 3 != $parno ) { + switch ( $dateKey ) { + case '0': + case '1': + case '2': break; + case '3': case 'hour': $output['hour'] = $datePart; break; + case '4': case 'min' : $output['min'] = $datePart; break; + case '5': case 'sec' : $output['sec'] = $datePart; break; + case '6': case 'tz' : $output['tz'] = $datePart; break; + } + } + } + if( 3 != $parno ) { + if( !isset( $output['hour'] )) $output['hour'] = 0; + if( !isset( $output['min'] )) $output['min'] = 0; + if( !isset( $output['sec'] )) $output['sec'] = 0; + if( isset( $output['tz'] ) && + (( '+0000' == $output['tz'] ) || ( '-0000' == $output['tz'] ) || ( '+000000' == $output['tz'] ) || ( '-000000' == $output['tz'] ))) + $output['tz'] = 'Z'; + } + return $output; + } +/** + * check date(-time) and params arrays for an opt. timezone and if it is a DATE-TIME or DATE (updates $parno and params) + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.10.30 - 2012-01-16 + * @param array $date, date to check + * @param int $parno, no of date parts (i.e. year, month.. .) + * @param array $params, property parameters + * @return void + */ + public static function _chkdatecfg( $theDate, & $parno, & $params ) { + if( isset( $params['TZID'] )) + $parno = 6; + elseif( isset( $params['VALUE'] ) && ( 'DATE' == $params['VALUE'] )) + $parno = 3; + else { + if( isset( $params['VALUE'] ) && ( 'PERIOD' == $params['VALUE'] )) + $parno = 7; + if( is_array( $theDate )) { + if( isset( $theDate['timestamp'] )) + $tzid = ( isset( $theDate['tz'] )) ? $theDate['tz'] : null; + else + $tzid = ( isset( $theDate['tz'] )) ? $theDate['tz'] : ( 7 == count( $theDate )) ? end( $theDate ) : null; + if( !empty( $tzid )) { + $parno = 7; + if( !iCalUtilityFunctions::_isOffset( $tzid )) + $params['TZID'] = $tzid; // save only timezone + } + elseif( !$parno && ( 3 == count( $theDate )) && + ( isset( $params['VALUE'] ) && ( 'DATE' == $params['VALUE'] ))) + $parno = 3; + else + $parno = 6; + } + else { // string + $date = trim( $theDate ); + if( 'Z' == substr( $date, -1 )) + $parno = 7; // UTC DATE-TIME + elseif((( 8 == strlen( $date ) && ctype_digit( $date )) || ( 11 >= strlen( $date ))) && + ( !isset( $params['VALUE'] ) || !in_array( $params['VALUE'], array( 'DATE-TIME', 'PERIOD' )))) + $parno = 3; // DATE + $date = iCalUtilityFunctions::_strdate2date( $date, $parno ); + unset( $date['unparsedtext'] ); + if( !empty( $date['tz'] )) { + $parno = 7; + if( !iCalUtilityFunctions::_isOffset( $date['tz'] )) + $params['TZID'] = $date['tz']; // save only timezone + } + elseif( empty( $parno )) + $parno = 6; + } + if( isset( $params['TZID'] )) + $parno = 6; + } + } +/** + * byte oriented line folding fix + * + * remove any line-endings that may include spaces or tabs + * and convert all line endings (iCal default '\r\n'), + * takes care of '\r\n', '\r' and '\n' and mixed '\r\n'+'\r', '\r\n'+'\n' + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.12.17 - 2012-07-12 + * @param string $text + * @param string $nl + * @return string + */ + public static function convEolChar( & $text, $nl ) { + $outp = ''; + $cix = 0; + while( isset( $text[$cix] )) { + if( isset( $text[$cix + 2] ) && ( "\r" == $text[$cix] ) && ( "\n" == $text[$cix + 1] ) && + (( " " == $text[$cix + 2] ) || ( "\t" == $text[$cix + 2] ))) // 2 pos eolchar + ' ' or '\t' + $cix += 2; // skip 3 + elseif( isset( $text[$cix + 1] ) && ( "\r" == $text[$cix] ) && ( "\n" == $text[$cix + 1] )) { + $outp .= $nl; // 2 pos eolchar + $cix += 1; // replace with $nl + } + elseif( isset( $text[$cix + 1] ) && (( "\r" == $text[$cix] ) || ( "\n" == $text[$cix] )) && + (( " " == $text[$cix + 1] ) || ( "\t" == $text[$cix + 1] ))) // 1 pos eolchar + ' ' or '\t' + $cix += 1; // skip 2 + elseif(( "\r" == $text[$cix] ) || ( "\n" == $text[$cix] )) // 1 pos eolchar + $outp .= $nl; // replace with $nl + else + $outp .= $text[$cix]; // add any other byte + $cix += 1; + } + return $outp; + } +/** + * create a calendar timezone and standard/daylight components + * + * Result when 'Europe/Stockholm' and no from/to arguments is used as timezone: + * + * BEGIN:VTIMEZONE + * TZID:Europe/Stockholm + * BEGIN:STANDARD + * DTSTART:20101031T020000 + * TZOFFSETFROM:+0200 + * TZOFFSETTO:+0100 + * TZNAME:CET + * END:STANDARD + * BEGIN:DAYLIGHT + * DTSTART:20100328T030000 + * TZOFFSETFROM:+0100 + * TZOFFSETTO:+0200 + * TZNAME:CEST + * END:DAYLIGHT + * END:VTIMEZONE + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.16.1 - 2012-11-26 + * Generates components for all transitions in a date range, based on contribution by Yitzchok Lavi + * Additional changes jpirkey + * @param object $calendar, reference to an iCalcreator calendar instance + * @param string $timezone, a PHP5 (DateTimeZone) valid timezone + * @param array $xProp, *[x-propName => x-propValue], optional + * @param int $from a unix timestamp + * @param int $to a unix timestamp + * @return bool + */ + public static function createTimezone( & $calendar, $timezone, $xProp=array(), $from=null, $to=null ) { + if( empty( $timezone )) + return FALSE; + if( !empty( $from ) && !is_int( $from )) + return FALSE; + if( !empty( $to ) && !is_int( $to )) + return FALSE; + try { + $dtz = new DateTimeZone( $timezone ); + $transitions = $dtz->getTransitions(); + $utcTz = new DateTimeZone( 'UTC' ); + } + catch( Exception $e ) { return FALSE; } + if( empty( $to )) { + $dates = array_keys( $calendar->getProperty( 'dtstart' )); + if( empty( $dates )) + $dates = array( date( 'Ymd' )); + } + if( !empty( $from )) + $dateFrom = new DateTime( "@$from" ); // set lowest date (UTC) + else { + $from = reset( $dates ); // set lowest date to the lowest dtstart date + $dateFrom = new DateTime( $from.'T000000', $dtz ); + $dateFrom->modify( '-1 month' ); // set $dateFrom to one month before the lowest date + $dateFrom->setTimezone( $utcTz ); // convert local date to UTC + } + $dateFromYmd = $dateFrom->format('Y-m-d' ); + if( !empty( $to )) + $dateTo = new DateTime( "@$to" ); // set end date (UTC) + else { + $to = end( $dates ); // set highest date to the highest dtstart date + $dateTo = new DateTime( $to.'T235959', $dtz ); + $dateTo->modify( '+1 year' ); // set $dateTo to one year after the highest date + $dateTo->setTimezone( $utcTz ); // convert local date to UTC + } + $dateToYmd = $dateTo->format('Y-m-d' ); + unset( $dtz ); + $transTemp = array(); + $prevOffsetfrom = 0; + $stdIx = $dlghtIx = null; + $prevTrans = FALSE; + foreach( $transitions as $tix => $trans ) { // all transitions in date-time order!! + $date = new DateTime( "@{$trans['ts']}" ); // set transition date (UTC) + $transDateYmd = $date->format('Y-m-d' ); + if ( $transDateYmd < $dateFromYmd ) { + $prevOffsetfrom = $trans['offset']; // previous trans offset will be 'next' trans offsetFrom + $prevTrans = $trans; // save it in case we don't find any that match + $prevTrans['offsetfrom'] = ( 0 < $tix ) ? $transitions[$tix-1]['offset'] : 0; + continue; + } + if( $transDateYmd > $dateToYmd ) + break; // loop always (?) breaks here + if( !empty( $prevOffsetfrom ) || ( 0 == $prevOffsetfrom )) { + $trans['offsetfrom'] = $prevOffsetfrom; // i.e. set previous offsetto as offsetFrom + $date->modify( $trans['offsetfrom'].'seconds' ); // convert utc date to local date + $d = $date->format( 'Y-n-j-G-i-s' ); // set date to array to ease up dtstart and (opt) rdate setting + $d = explode( '-', $d ); + $trans['time'] = array( 'year' => $d[0], 'month' => $d[1], 'day' => $d[2], 'hour' => $d[3], 'min' => $d[4], 'sec' => $d[5] ); + } + $prevOffsetfrom = $trans['offset']; + if( TRUE !== $trans['isdst'] ) { // standard timezone + if( !empty( $stdIx ) && isset( $transTemp[$stdIx]['offsetfrom'] ) && // check for any repeating rdate's (in order) + ( $transTemp[$stdIx]['abbr'] == $trans['abbr'] ) && + ( $transTemp[$stdIx]['offsetfrom'] == $trans['offsetfrom'] ) && + ( $transTemp[$stdIx]['offset'] == $trans['offset'] )) { + $transTemp[$stdIx]['rdate'][] = $trans['time']; + continue; + } + $stdIx = $tix; + } // end standard timezone + else { // daylight timezone + if( !empty( $dlghtIx ) && isset( $transTemp[$dlghtIx]['offsetfrom'] ) && // check for any repeating rdate's (in order) + ( $transTemp[$dlghtIx]['abbr'] == $trans['abbr'] ) && + ( $transTemp[$dlghtIx]['offsetfrom'] == $trans['offsetfrom'] ) && + ( $transTemp[$dlghtIx]['offset'] == $trans['offset'] )) { + $transTemp[$dlghtIx]['rdate'][] = $trans['time']; + continue; + } + $dlghtIx = $tix; + } // end daylight timezone + $transTemp[$tix] = $trans; + } // end foreach( $transitions as $tix => $trans ) + $tz = & $calendar->newComponent( 'vtimezone' ); + $tz->setproperty( 'tzid', $timezone ); + if( !empty( $xProp )) { + foreach( $xProp as $xPropName => $xPropValue ) + if( 'x-' == strtolower( substr( $xPropName, 0, 2 ))) + $tz->setproperty( $xPropName, $xPropValue ); + } + if( empty( $transTemp )) { // if no match found + if( $prevTrans ) { // then we use the last transition (before startdate) for the tz info + $date = new DateTime( "@{$prevTrans['ts']}" ); // set transition date (UTC) + $date->modify( $prevTrans['offsetfrom'].'seconds' ); // convert utc date to local date + $d = $date->format( 'Y-n-j-G-i-s' ); // set date to array to ease up dtstart setting + $d = explode( '-', $d ); + $prevTrans['time'] = array( 'year' => $d[0], 'month' => $d[1], 'day' => $d[2], 'hour' => $d[3], 'min' => $d[4], 'sec' => $d[5] ); + $transTemp[0] = $prevTrans; + } + else { // or we use the timezone identifier to BUILD the standard tz info (?) + $date = new DateTime( 'now', new DateTimeZone( $timezone )); + $transTemp[0] = array( 'time' => $date->format( 'Y-m-d\TH:i:s O' ) + , 'offset' => $date->format( 'Z' ) + , 'offsetfrom' => $date->format( 'Z' ) + , 'isdst' => FALSE ); + } + } + unset( $transitions, $date, $prevTrans ); + foreach( $transTemp as $tix => $trans ) { + $type = ( TRUE !== $trans['isdst'] ) ? 'standard' : 'daylight'; + $scomp = & $tz->newComponent( $type ); + $scomp->setProperty( 'dtstart', $trans['time'] ); +// $scomp->setProperty( 'x-utc-timestamp', $tix.' : '.$trans['ts'] ); // test ### + if( !empty( $trans['abbr'] )) + $scomp->setProperty( 'tzname', $trans['abbr'] ); + if( isset( $trans['offsetfrom'] )) + $scomp->setProperty( 'tzoffsetfrom', iCalUtilityFunctions::offsetSec2His( $trans['offsetfrom'] )); + $scomp->setProperty( 'tzoffsetto', iCalUtilityFunctions::offsetSec2His( $trans['offset'] )); + if( isset( $trans['rdate'] )) + $scomp->setProperty( 'RDATE', $trans['rdate'] ); + } + return TRUE; + } +/** + * creates formatted output for calendar component property data value type date/date-time + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.14.1 - 2012-09-17 + * @param array $datetime + * @param int $parno, optional, default 6 + * @return string + */ + public static function _format_date_time( $datetime, $parno=6 ) { + return iCalUtilityFunctions::_date2strdate( $datetime, $parno ); + } + public static function _date2strdate( $datetime, $parno=6 ) { + if( !isset( $datetime['year'] ) && + !isset( $datetime['month'] ) && + !isset( $datetime['day'] ) && + !isset( $datetime['hour'] ) && + !isset( $datetime['min'] ) && + !isset( $datetime['sec'] )) + return; + $output = null; + foreach( $datetime as $dkey => & $dvalue ) + if( 'tz' != $dkey ) $dvalue = (integer) $dvalue; + $output = sprintf( '%04d%02d%02d', $datetime['year'], $datetime['month'], $datetime['day'] ); + if( 3 == $parno ) + return $output; + if( !isset( $datetime['hour'] )) $datetime['hour'] = 0; + if( !isset( $datetime['min'] )) $datetime['min'] = 0; + if( !isset( $datetime['sec'] )) $datetime['sec'] = 0; + $output .= sprintf( 'T%02d%02d%02d', $datetime['hour'], $datetime['min'], $datetime['sec'] ); + if( isset( $datetime['tz'] ) && ( '' < trim( $datetime['tz'] ))) { + $datetime['tz'] = trim( $datetime['tz'] ); + if( 'Z' == $datetime['tz'] ) + $parno = 7; + elseif( iCalUtilityFunctions::_isOffset( $datetime['tz'] )) { + $parno = 7; + $offset = iCalUtilityFunctions::_tz2offset( $datetime['tz'] ); + try { + $d = new DateTime( $output, new DateTimeZone( 'UTC' )); + if( 0 != $offset ) // adjust för offset + $d->modify( "$offset seconds" ); + $output = $d->format( 'Ymd\THis' ); + } + catch( Exception $e ) { + $output = date( 'Ymd\THis', mktime( $datetime['hour'], $datetime['min'], ($datetime['sec'] - $offset), $datetime['month'], $datetime['day'], $datetime['year'] )); + } + } + if( 7 == $parno ) + $output .= 'Z'; + } + return $output; + } +/** + * convert a date/datetime (array) to timestamp + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.14.1 - 2012-09-29 + * @param array $datetime datetime(/date) + * @param string $wtz timezone + * @return int + */ + public static function _date2timestamp( $datetime, $wtz=null ) { + if( !isset( $datetime['hour'] )) $datetime['hour'] = 0; + if( !isset( $datetime['min'] )) $datetime['min'] = 0; + if( !isset( $datetime['sec'] )) $datetime['sec'] = 0; + if( empty( $wtz ) && ( !isset( $datetime['tz'] ) || empty( $datetime['tz'] ))) + return mktime( $datetime['hour'], $datetime['min'], $datetime['sec'], $datetime['month'], $datetime['day'], $datetime['year'] ); + $output = $offset = 0; + if( empty( $wtz )) { + if( iCalUtilityFunctions::_isOffset( $datetime['tz'] )) { + $offset = iCalUtilityFunctions::_tz2offset( $datetime['tz'] ) * -1; + $wtz = 'UTC'; + } + else + $wtz = $datetime['tz']; + } + if(( 'Z' == $wtz ) || ( 'GMT' == strtoupper( $wtz ))) + $wtz = 'UTC'; + try { + $strdate = sprintf( '%04d-%02d-%02d %02d:%02d:%02d', $datetime['year'], $datetime['month'], $datetime['day'], $datetime['hour'], $datetime['min'], $datetime['sec'] ); + $d = new DateTime( $strdate, new DateTimeZone( $wtz )); + if( 0 != $offset ) // adjust for offset + $d->modify( $offset.' seconds' ); + $output = $d->format( 'U' ); + unset( $d ); + } + catch( Exception $e ) { + $output = mktime( $datetime['hour'], $datetime['min'], $datetime['sec'], $datetime['month'], $datetime['day'], $datetime['year'] ); + } + return $output; + } +/** + * ensures internal duration format for input in array format + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.14.1 - 2012-09-25 + * @param array $duration + * @return array + */ + public static function _duration_array( $duration ) { + return iCalUtilityFunctions::_duration2arr( $duration ); + } + public static function _duration2arr( $duration ) { + $output = array(); + if( is_array( $duration ) && + ( 1 == count( $duration )) && + isset( $duration['sec'] ) && + ( 60 < $duration['sec'] )) { + $durseconds = $duration['sec']; + $output['week'] = (int) floor( $durseconds / ( 60 * 60 * 24 * 7 )); + $durseconds = $durseconds % ( 60 * 60 * 24 * 7 ); + $output['day'] = (int) floor( $durseconds / ( 60 * 60 * 24 )); + $durseconds = $durseconds % ( 60 * 60 * 24 ); + $output['hour'] = (int) floor( $durseconds / ( 60 * 60 )); + $durseconds = $durseconds % ( 60 * 60 ); + $output['min'] = (int) floor( $durseconds / ( 60 )); + $output['sec'] = ( $durseconds % ( 60 )); + } + else { + foreach( $duration as $durKey => $durValue ) { + if( empty( $durValue )) continue; + switch ( $durKey ) { + case '0': case 'week': $output['week'] = $durValue; break; + case '1': case 'day': $output['day'] = $durValue; break; + case '2': case 'hour': $output['hour'] = $durValue; break; + case '3': case 'min': $output['min'] = $durValue; break; + case '4': case 'sec': $output['sec'] = $durValue; break; + } + } + } + if( isset( $output['week'] ) && ( 0 < $output['week'] )) { + unset( $output['day'], $output['hour'], $output['min'], $output['sec'] ); + return $output; + } + unset( $output['week'] ); + if( empty( $output['day'] )) + unset( $output['day'] ); + if ( isset( $output['hour'] ) || isset( $output['min'] ) || isset( $output['sec'] )) { + if( !isset( $output['hour'] )) $output['hour'] = 0; + if( !isset( $output['min'] )) $output['min'] = 0; + if( !isset( $output['sec'] )) $output['sec'] = 0; + if(( 0 == $output['hour'] ) && ( 0 == $output['min'] ) && ( 0 == $output['sec'] )) + unset( $output['hour'], $output['min'], $output['sec'] ); + } + return $output; + } +/** + * convert startdate+duration to a array format datetime + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.15.12 - 2012-10-31 + * @param array $startdate + * @param array $duration + * @return array, date format + */ + public static function _duration2date( $startdate, $duration ) { + $dateOnly = ( isset( $startdate['hour'] ) || isset( $startdate['min'] ) || isset( $startdate['sec'] )) ? FALSE : TRUE; + $startdate['hour'] = ( isset( $startdate['hour'] )) ? $startdate['hour'] : 0; + $startdate['min'] = ( isset( $startdate['min'] )) ? $startdate['min'] : 0; + $startdate['sec'] = ( isset( $startdate['sec'] )) ? $startdate['sec'] : 0; + $dtend = 0; + if( isset( $duration['week'] )) $dtend += ( $duration['week'] * 7 * 24 * 60 * 60 ); + if( isset( $duration['day'] )) $dtend += ( $duration['day'] * 24 * 60 * 60 ); + if( isset( $duration['hour'] )) $dtend += ( $duration['hour'] * 60 *60 ); + if( isset( $duration['min'] )) $dtend += ( $duration['min'] * 60 ); + if( isset( $duration['sec'] )) $dtend += $duration['sec']; + $date = date( 'Y-m-d-H-i-s', mktime((int) $startdate['hour'], (int) $startdate['min'], (int) ( $startdate['sec'] + $dtend ), (int) $startdate['month'], (int) $startdate['day'], (int) $startdate['year'] )); + $d = explode( '-', $date ); + $dtend2 = array( 'year' => $d[0], 'month' => $d[1], 'day' => $d[2], 'hour' => $d[3], 'min' => $d[4], 'sec' => $d[5] ); + if( isset( $startdate['tz'] )) + $dtend2['tz'] = $startdate['tz']; + if( $dateOnly && (( 0 == $dtend2['hour'] ) && ( 0 == $dtend2['min'] ) && ( 0 == $dtend2['sec'] ))) + unset( $dtend2['hour'], $dtend2['min'], $dtend2['sec'] ); + return $dtend2; + } +/** + * ensures internal duration format for an input string (iCal) formatted duration + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.14.1 - 2012-09-25 + * @param string $duration + * @return array + */ + public static function _duration_string( $duration ) { + return iCalUtilityFunctions::_durationStr2arr( $duration ); + } + public static function _durationStr2arr( $duration ) { + $duration = (string) trim( $duration ); + while( 'P' != strtoupper( substr( $duration, 0, 1 ))) { + if( 0 < strlen( $duration )) + $duration = substr( $duration, 1 ); + else + return false; // no leading P !?!? + } + $duration = substr( $duration, 1 ); // skip P + $duration = str_replace ( 't', 'T', $duration ); + $duration = str_replace ( 'T', '', $duration ); + $output = array(); + $val = null; + for( $ix=0; $ix < strlen( $duration ); $ix++ ) { + switch( strtoupper( substr( $duration, $ix, 1 ))) { + case 'W': + $output['week'] = $val; + $val = null; + break; + case 'D': + $output['day'] = $val; + $val = null; + break; + case 'H': + $output['hour'] = $val; + $val = null; + break; + case 'M': + $output['min'] = $val; + $val = null; + break; + case 'S': + $output['sec'] = $val; + $val = null; + break; + default: + if( !ctype_digit( substr( $duration, $ix, 1 ))) + return false; // unknown duration control character !?!? + else + $val .= substr( $duration, $ix, 1 ); + } + } + return iCalUtilityFunctions::_duration2arr( $output ); + } +/** + * creates formatted output for calendar component property data value type duration + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.15.8 - 2012-10-30 + * @param array $duration, array( week, day, hour, min, sec ) + * @return string + */ + public static function _format_duration( $duration ) { + return iCalUtilityFunctions::_duration2str( $duration ); + } + public static function _duration2str( $duration ) { + if( isset( $duration['week'] ) || + isset( $duration['day'] ) || + isset( $duration['hour'] ) || + isset( $duration['min'] ) || + isset( $duration['sec'] )) + $ok = TRUE; + else + return; + if( isset( $duration['week'] ) && ( 0 < $duration['week'] )) + return 'P'.$duration['week'].'W'; + $output = 'P'; + if( isset($duration['day'] ) && ( 0 < $duration['day'] )) + $output .= $duration['day'].'D'; + if(( isset( $duration['hour']) && ( 0 < $duration['hour'] )) || + ( isset( $duration['min']) && ( 0 < $duration['min'] )) || + ( isset( $duration['sec']) && ( 0 < $duration['sec'] ))) { + $output .= 'T'; + $output .= ( isset( $duration['hour']) && ( 0 < $duration['hour'] )) ? $duration['hour'].'H' : '0H'; + $output .= ( isset( $duration['min']) && ( 0 < $duration['min'] )) ? $duration['min']. 'M' : '0M'; + $output .= ( isset( $duration['sec']) && ( 0 < $duration['sec'] )) ? $duration['sec']. 'S' : '0S'; + } + if( 'P' == $output ) + $output = 'PT0H0M0S'; + return $output; + } +/** + * removes expkey+expvalue from array and returns hitval (if found) else returns elseval + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.16 - 2008-11-08 + * @param array $array + * @param string $expkey, expected key + * @param string $expval, expected value + * @param int $hitVal optional, return value if found + * @param int $elseVal optional, return value if not found + * @param int $preSet optional, return value if already preset + * @return int + */ + public static function _existRem( &$array, $expkey, $expval=FALSE, $hitVal=null, $elseVal=null, $preSet=null ) { + if( $preSet ) + return $preSet; + if( !is_array( $array ) || ( 0 == count( $array ))) + return $elseVal; + foreach( $array as $key => $value ) { + if( strtoupper( $expkey ) == strtoupper( $key )) { + if( !$expval || ( strtoupper( $expval ) == strtoupper( $array[$key] ))) { + unset( $array[$key] ); + return $hitVal; + } + } + } + return $elseVal; + } +/** + * checks if input contains a (array formatted) date/time + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.11.8 - 2012-01-20 + * @param array $input + * @return bool + */ + public static function _isArrayDate( $input ) { + if( !is_array( $input )) + return FALSE; + if( isset( $input['week'] ) || ( !in_array( count( $input ), array( 3, 6, 7 )))) + return FALSE; + if( 7 == count( $input )) + return TRUE; + if( isset( $input['year'] ) && isset( $input['month'] ) && isset( $input['day'] )) + return checkdate( (int) $input['month'], (int) $input['day'], (int) $input['year'] ); + if( isset( $input['day'] ) || isset( $input['hour'] ) || isset( $input['min'] ) || isset( $input['sec'] )) + return FALSE; + if( in_array( 0, $input )) + return FALSE; + if(( 1970 > $input[0] ) || ( 12 < $input[1] ) || ( 31 < $input[2] )) + return FALSE; + if(( isset( $input[0] ) && isset( $input[1] ) && isset( $input[2] )) && + checkdate( (int) $input[1], (int) $input[2], (int) $input[0] )) + return TRUE; + $input = iCalUtilityFunctions::_strdate2date( $input[1].'/'.$input[2].'/'.$input[0], 3 ); // m - d - Y + if( isset( $input['year'] ) && isset( $input['month'] ) && isset( $input['day'] )) + return checkdate( (int) $input['month'], (int) $input['day'], (int) $input['year'] ); + return FALSE; + } +/** + * checks if input array contains a timestamp date + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.4.16 - 2008-10-18 + * @param array $input + * @return bool + */ + public static function _isArrayTimestampDate( $input ) { + return ( is_array( $input ) && isset( $input['timestamp'] )) ? TRUE : FALSE ; + } +/** + * controls if input string contains (trailing) UTC/iCal offset + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.14.1 - 2012-09-21 + * @param string $input + * @return bool + */ + public static function _isOffset( $input ) { + $input = trim( (string) $input ); + if( 'Z' == substr( $input, -1 )) + return TRUE; + elseif(( 5 <= strlen( $input )) && + ( in_array( substr( $input, -5, 1 ), array( '+', '-' ))) && + ( '0000' <= substr( $input, -4 )) && ( '9999' >= substr( $input, -4 ))) + return TRUE; + elseif(( 7 <= strlen( $input )) && + ( in_array( substr( $input, -7, 1 ), array( '+', '-' ))) && + ( '000000' <= substr( $input, -6 )) && ( '999999' >= substr( $input, -6 ))) + return TRUE; + return FALSE; + } +/** + * (very simple) conversion of a MS timezone to a PHP5 valid (Date-)timezone + * matching (MS) UCT offset and time zone descriptors + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.14.1 - 2012-09-16 + * @param string $timezone, input/output variable reference + * @return bool + */ + public static function ms2phpTZ( & $timezone ) { + if( empty( $timezone )) + return FALSE; + $search = str_replace( '"', '', $timezone ); + $search = str_replace( array('GMT', 'gmt', 'utc' ), 'UTC', $search ); + if( '(UTC' != substr( $search, 0, 4 )) + return FALSE; + if( FALSE === ( $pos = strpos( $search, ')' ))) + return FALSE; + $pos = strpos( $search, ')' ); + $searchOffset = substr( $search, 4, ( $pos - 4 )); + $searchOffset = iCalUtilityFunctions::_tz2offset( str_replace( ':', '', $searchOffset )); + while( ' ' ==substr( $search, ( $pos + 1 ))) + $pos += 1; + $searchText = trim( str_replace( array( '(', ')', '&', ',', ' ' ), ' ', substr( $search, ( $pos + 1 )) )); + $searchWords = explode( ' ', $searchText ); + $timezone_abbreviations = DateTimeZone::listAbbreviations(); + $hits = array(); + foreach( $timezone_abbreviations as $name => $transitions ) { + foreach( $transitions as $cnt => $transition ) { + if( empty( $transition['offset'] ) || + empty( $transition['timezone_id'] ) || + ( $transition['offset'] != $searchOffset )) + continue; + $cWords = explode( '/', $transition['timezone_id'] ); + $cPrio = $hitCnt = $rank = 0; + foreach( $cWords as $cWord ) { + if( empty( $cWord )) + continue; + $cPrio += 1; + $sPrio = 0; + foreach( $searchWords as $sWord ) { + if( empty( $sWord ) || ( 'time' == strtolower( $sWord ))) + continue; + $sPrio += 1; + if( strtolower( $cWord ) == strtolower( $sWord )) { + $hitCnt += 1; + $rank += ( $cPrio + $sPrio ); + } + else + $rank += 10; + } + } + if( 0 < $hitCnt ) { + $hits[$rank][] = $transition['timezone_id']; + } + } + } + unset( $timezone_abbreviations ); + if( empty( $hits )) + return FALSE; + ksort( $hits ); + foreach( $hits as $rank => $tzs ) { + if( !empty( $tzs )) { + $timezone = reset( $tzs ); + return TRUE; + } + } + return FALSE; + } +/** + * transforms offset in seconds to [-/+]hhmm[ss] + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2011-05-02 + * @param string $seconds + * @return string + */ + public static function offsetSec2His( $seconds ) { + if( '-' == substr( $seconds, 0, 1 )) { + $prefix = '-'; + $seconds = substr( $seconds, 1 ); + } + elseif( '+' == substr( $seconds, 0, 1 )) { + $prefix = '+'; + $seconds = substr( $seconds, 1 ); + } + else + $prefix = '+'; + $output = ''; + $hour = (int) floor( $seconds / 3600 ); + if( 10 > $hour ) + $hour = '0'.$hour; + $seconds = $seconds % 3600; + $min = (int) floor( $seconds / 60 ); + if( 10 > $min ) + $min = '0'.$min; + $output = $hour.$min; + $seconds = $seconds % 60; + if( 0 < $seconds) { + if( 9 < $seconds) + $output .= $seconds; + else + $output .= '0'.$seconds; + } + return $prefix.$output; + } +/** + * updates an array with dates based on a recur pattern + * + * if missing, UNTIL is set 1 year from startdate (emergency break) + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.10.19 - 2011-10-31 + * @param array $result, array to update, array([timestamp] => timestamp) + * @param array $recur, pattern for recurrency (only value part, params ignored) + * @param array $wdate, component start date + * @param array $startdate, start date + * @param array $enddate, optional + * @return void + * @todo BYHOUR, BYMINUTE, BYSECOND, WEEKLY at year end/start + */ + public static function _recur2date( & $result, $recur, $wdate, $startdate, $enddate=FALSE ) { + foreach( $wdate as $k => $v ) if( ctype_digit( $v )) $wdate[$k] = (int) $v; + $wdateStart = $wdate; + $wdatets = iCalUtilityFunctions::_date2timestamp( $wdate ); + $startdatets = iCalUtilityFunctions::_date2timestamp( $startdate ); + if( !$enddate ) { + $enddate = $startdate; + $enddate['year'] += 1; + } +// echo "recur __in_ comp start ".implode('-',$wdate)." period start ".implode('-',$startdate)." period end ".implode('-',$enddate)."
\n";print_r($recur);echo "
\n";//test### + $endDatets = iCalUtilityFunctions::_date2timestamp( $enddate ); // fix break + if( !isset( $recur['COUNT'] ) && !isset( $recur['UNTIL'] )) + $recur['UNTIL'] = $enddate; // create break + if( isset( $recur['UNTIL'] )) { + $tdatets = iCalUtilityFunctions::_date2timestamp( $recur['UNTIL'] ); + if( $endDatets > $tdatets ) { + $endDatets = $tdatets; // emergency break + $enddate = iCalUtilityFunctions::_timestamp2date( $endDatets, 6 ); + } + else + $recur['UNTIL'] = iCalUtilityFunctions::_timestamp2date( $endDatets, 6 ); + } + if( $wdatets > $endDatets ) { +// echo "recur out of date ".date('Y-m-d H:i:s',$wdatets)."
\n";//test + return array(); // nothing to do.. . + } + if( !isset( $recur['FREQ'] )) // "MUST be specified.. ." + $recur['FREQ'] = 'DAILY'; // ?? + $wkst = ( isset( $recur['WKST'] ) && ( 'SU' == $recur['WKST'] )) ? 24*60*60 : 0; // ?? + $weekStart = (int) date( 'W', ( $wdatets + $wkst )); + if( !isset( $recur['INTERVAL'] )) + $recur['INTERVAL'] = 1; + $countcnt = ( !isset( $recur['BYSETPOS'] )) ? 1 : 0; // DTSTART counts as the first occurrence + /* find out how to step up dates and set index for interval count */ + $step = array(); + if( 'YEARLY' == $recur['FREQ'] ) + $step['year'] = 1; + elseif( 'MONTHLY' == $recur['FREQ'] ) + $step['month'] = 1; + elseif( 'WEEKLY' == $recur['FREQ'] ) + $step['day'] = 7; + else + $step['day'] = 1; + if( isset( $step['year'] ) && isset( $recur['BYMONTH'] )) + $step = array( 'month' => 1 ); + if( empty( $step ) && isset( $recur['BYWEEKNO'] )) // ?? + $step = array( 'day' => 7 ); + if( isset( $recur['BYYEARDAY'] ) || isset( $recur['BYMONTHDAY'] ) || isset( $recur['BYDAY'] )) + $step = array( 'day' => 1 ); + $intervalarr = array(); + if( 1 < $recur['INTERVAL'] ) { + $intervalix = iCalUtilityFunctions::_recurIntervalIx( $recur['FREQ'], $wdate, $wkst ); + $intervalarr = array( $intervalix => 0 ); + } + if( isset( $recur['BYSETPOS'] )) { // save start date + weekno + $bysetposymd1 = $bysetposymd2 = $bysetposw1 = $bysetposw2 = array(); +// echo "bysetposXold_start=$bysetposYold $bysetposMold $bysetposDold
\n"; // test ### + if( is_array( $recur['BYSETPOS'] )) { + foreach( $recur['BYSETPOS'] as $bix => $bval ) + $recur['BYSETPOS'][$bix] = (int) $bval; + } + else + $recur['BYSETPOS'] = array( (int) $recur['BYSETPOS'] ); + if( 'YEARLY' == $recur['FREQ'] ) { + $wdate['month'] = $wdate['day'] = 1; // start from beginning of year + $wdatets = iCalUtilityFunctions::_date2timestamp( $wdate ); + iCalUtilityFunctions::_stepdate( $enddate, $endDatets, array( 'year' => 1 )); // make sure to count whole last year + } + elseif( 'MONTHLY' == $recur['FREQ'] ) { + $wdate['day'] = 1; // start from beginning of month + $wdatets = iCalUtilityFunctions::_date2timestamp( $wdate ); + iCalUtilityFunctions::_stepdate( $enddate, $endDatets, array( 'month' => 1 )); // make sure to count whole last month + } + else + iCalUtilityFunctions::_stepdate( $enddate, $endDatets, $step); // make sure to count whole last period +// echo "BYSETPOS endDat++ =".implode('-',$enddate).' step='.var_export($step,TRUE)."
\n";//test### + $bysetposWold = (int) date( 'W', ( $wdatets + $wkst )); + $bysetposYold = $wdate['year']; + $bysetposMold = $wdate['month']; + $bysetposDold = $wdate['day']; + } + else + iCalUtilityFunctions::_stepdate( $wdate, $wdatets, $step); + $year_old = null; + $daynames = array( 'SU', 'MO', 'TU', 'WE', 'TH', 'FR', 'SA' ); + /* MAIN LOOP */ +// echo "recur start ".implode('-',$wdate)." end ".implode('-',$enddate)."
\n";//test + while( TRUE ) { + if( isset( $endDatets ) && ( $wdatets > $endDatets )) + break; + if( isset( $recur['COUNT'] ) && ( $countcnt >= $recur['COUNT'] )) + break; + if( $year_old != $wdate['year'] ) { + $year_old = $wdate['year']; + $daycnts = array(); + $yeardays = $weekno = 0; + $yeardaycnt = array(); + foreach( $daynames as $dn ) + $yeardaycnt[$dn] = 0; + for( $m = 1; $m <= 12; $m++ ) { // count up and update up-counters + $daycnts[$m] = array(); + $weekdaycnt = array(); + foreach( $daynames as $dn ) + $weekdaycnt[$dn] = 0; + $mcnt = date( 't', mktime( 0, 0, 0, $m, 1, $wdate['year'] )); + for( $d = 1; $d <= $mcnt; $d++ ) { + $daycnts[$m][$d] = array(); + if( isset( $recur['BYYEARDAY'] )) { + $yeardays++; + $daycnts[$m][$d]['yearcnt_up'] = $yeardays; + } + if( isset( $recur['BYDAY'] )) { + $day = date( 'w', mktime( 0, 0, 0, $m, $d, $wdate['year'] )); + $day = $daynames[$day]; + $daycnts[$m][$d]['DAY'] = $day; + $weekdaycnt[$day]++; + $daycnts[$m][$d]['monthdayno_up'] = $weekdaycnt[$day]; + $yeardaycnt[$day]++; + $daycnts[$m][$d]['yeardayno_up'] = $yeardaycnt[$day]; + } + if( isset( $recur['BYWEEKNO'] ) || ( $recur['FREQ'] == 'WEEKLY' )) + $daycnts[$m][$d]['weekno_up'] =(int)date('W',mktime(0,0,$wkst,$m,$d,$wdate['year'])); + } + } + $daycnt = 0; + $yeardaycnt = array(); + if( isset( $recur['BYWEEKNO'] ) || ( $recur['FREQ'] == 'WEEKLY' )) { + $weekno = null; + for( $d=31; $d > 25; $d-- ) { // get last weekno for year + if( !$weekno ) + $weekno = $daycnts[12][$d]['weekno_up']; + elseif( $weekno < $daycnts[12][$d]['weekno_up'] ) { + $weekno = $daycnts[12][$d]['weekno_up']; + break; + } + } + } + for( $m = 12; $m > 0; $m-- ) { // count down and update down-counters + $weekdaycnt = array(); + foreach( $daynames as $dn ) + $yeardaycnt[$dn] = $weekdaycnt[$dn] = 0; + $monthcnt = 0; + $mcnt = date( 't', mktime( 0, 0, 0, $m, 1, $wdate['year'] )); + for( $d = $mcnt; $d > 0; $d-- ) { + if( isset( $recur['BYYEARDAY'] )) { + $daycnt -= 1; + $daycnts[$m][$d]['yearcnt_down'] = $daycnt; + } + if( isset( $recur['BYMONTHDAY'] )) { + $monthcnt -= 1; + $daycnts[$m][$d]['monthcnt_down'] = $monthcnt; + } + if( isset( $recur['BYDAY'] )) { + $day = $daycnts[$m][$d]['DAY']; + $weekdaycnt[$day] -= 1; + $daycnts[$m][$d]['monthdayno_down'] = $weekdaycnt[$day]; + $yeardaycnt[$day] -= 1; + $daycnts[$m][$d]['yeardayno_down'] = $yeardaycnt[$day]; + } + if( isset( $recur['BYWEEKNO'] ) || ( $recur['FREQ'] == 'WEEKLY' )) + $daycnts[$m][$d]['weekno_down'] = ($daycnts[$m][$d]['weekno_up'] - $weekno - 1); + } + } + } + /* check interval */ + if( 1 < $recur['INTERVAL'] ) { + /* create interval index */ + $intervalix = iCalUtilityFunctions::_recurIntervalIx( $recur['FREQ'], $wdate, $wkst ); + /* check interval */ + $currentKey = array_keys( $intervalarr ); + $currentKey = end( $currentKey ); // get last index + if( $currentKey != $intervalix ) + $intervalarr = array( $intervalix => ( $intervalarr[$currentKey] + 1 )); + if(( $recur['INTERVAL'] != $intervalarr[$intervalix] ) && + ( 0 != $intervalarr[$intervalix] )) { + /* step up date */ +// echo "skip: ".implode('-',$wdate)." ix=$intervalix old=$currentKey interval=".$intervalarr[$intervalix]."
\n";//test + iCalUtilityFunctions::_stepdate( $wdate, $wdatets, $step); + continue; + } + else // continue within the selected interval + $intervalarr[$intervalix] = 0; +// echo "cont: ".implode('-',$wdate)." ix=$intervalix old=$currentKey interval=".$intervalarr[$intervalix]."
\n";//test + } + $updateOK = TRUE; + if( $updateOK && isset( $recur['BYMONTH'] )) + $updateOK = iCalUtilityFunctions::_recurBYcntcheck( $recur['BYMONTH'] + , $wdate['month'] + ,($wdate['month'] - 13)); + if( $updateOK && isset( $recur['BYWEEKNO'] )) + $updateOK = iCalUtilityFunctions::_recurBYcntcheck( $recur['BYWEEKNO'] + , $daycnts[$wdate['month']][$wdate['day']]['weekno_up'] + , $daycnts[$wdate['month']][$wdate['day']]['weekno_down'] ); + if( $updateOK && isset( $recur['BYYEARDAY'] )) + $updateOK = iCalUtilityFunctions::_recurBYcntcheck( $recur['BYYEARDAY'] + , $daycnts[$wdate['month']][$wdate['day']]['yearcnt_up'] + , $daycnts[$wdate['month']][$wdate['day']]['yearcnt_down'] ); + if( $updateOK && isset( $recur['BYMONTHDAY'] )) + $updateOK = iCalUtilityFunctions::_recurBYcntcheck( $recur['BYMONTHDAY'] + , $wdate['day'] + , $daycnts[$wdate['month']][$wdate['day']]['monthcnt_down'] ); +// echo "efter BYMONTHDAY: ".implode('-',$wdate).' status: '; echo ($updateOK) ? 'TRUE' : 'FALSE'; echo "
\n";//test### + if( $updateOK && isset( $recur['BYDAY'] )) { + $updateOK = FALSE; + $m = $wdate['month']; + $d = $wdate['day']; + if( isset( $recur['BYDAY']['DAY'] )) { // single day, opt with year/month day order no + $daynoexists = $daynosw = $daynamesw = FALSE; + if( $recur['BYDAY']['DAY'] == $daycnts[$m][$d]['DAY'] ) + $daynamesw = TRUE; + if( isset( $recur['BYDAY'][0] )) { + $daynoexists = TRUE; + if(( isset( $recur['FREQ'] ) && ( $recur['FREQ'] == 'MONTHLY' )) || isset( $recur['BYMONTH'] )) + $daynosw = iCalUtilityFunctions::_recurBYcntcheck( $recur['BYDAY'][0] + , $daycnts[$m][$d]['monthdayno_up'] + , $daycnts[$m][$d]['monthdayno_down'] ); + elseif( isset( $recur['FREQ'] ) && ( $recur['FREQ'] == 'YEARLY' )) + $daynosw = iCalUtilityFunctions::_recurBYcntcheck( $recur['BYDAY'][0] + , $daycnts[$m][$d]['yeardayno_up'] + , $daycnts[$m][$d]['yeardayno_down'] ); + } + if(( $daynoexists && $daynosw && $daynamesw ) || + ( !$daynoexists && !$daynosw && $daynamesw )) { + $updateOK = TRUE; +// echo "m=$m d=$d day=".$daycnts[$m][$d]['DAY']." yeardayno_up=".$daycnts[$m][$d]['yeardayno_up']." daynoexists:$daynoexists daynosw:$daynosw daynamesw:$daynamesw updateOK:$updateOK
\n"; // test ### + } +//echo "m=$m d=$d day=".$daycnts[$m][$d]['DAY']." yeardayno_up=".$daycnts[$m][$d]['yeardayno_up']." daynoexists:$daynoexists daynosw:$daynosw daynamesw:$daynamesw updateOK:$updateOK
\n"; // test ### + } + else { + foreach( $recur['BYDAY'] as $bydayvalue ) { + $daynoexists = $daynosw = $daynamesw = FALSE; + if( isset( $bydayvalue['DAY'] ) && + ( $bydayvalue['DAY'] == $daycnts[$m][$d]['DAY'] )) + $daynamesw = TRUE; + if( isset( $bydayvalue[0] )) { + $daynoexists = TRUE; + if(( isset( $recur['FREQ'] ) && ( $recur['FREQ'] == 'MONTHLY' )) || + isset( $recur['BYMONTH'] )) + $daynosw = iCalUtilityFunctions::_recurBYcntcheck( $bydayvalue['0'] + , $daycnts[$m][$d]['monthdayno_up'] + , $daycnts[$m][$d]['monthdayno_down'] ); + elseif( isset( $recur['FREQ'] ) && ( $recur['FREQ'] == 'YEARLY' )) + $daynosw = iCalUtilityFunctions::_recurBYcntcheck( $bydayvalue['0'] + , $daycnts[$m][$d]['yeardayno_up'] + , $daycnts[$m][$d]['yeardayno_down'] ); + } +// echo "daynoexists:$daynoexists daynosw:$daynosw daynamesw:$daynamesw
\n"; // test ### + if(( $daynoexists && $daynosw && $daynamesw ) || + ( !$daynoexists && !$daynosw && $daynamesw )) { + $updateOK = TRUE; + break; + } + } + } + } +// echo "efter BYDAY: ".implode('-',$wdate).' status: '; echo ($updateOK) ? 'TRUE' : 'FALSE'; echo "
\n"; // test ### + /* check BYSETPOS */ + if( $updateOK ) { + if( isset( $recur['BYSETPOS'] ) && + ( in_array( $recur['FREQ'], array( 'YEARLY', 'MONTHLY', 'WEEKLY', 'DAILY' )))) { + if( isset( $recur['WEEKLY'] )) { + if( $bysetposWold == $daycnts[$wdate['month']][$wdate['day']]['weekno_up'] ) + $bysetposw1[] = $wdatets; + else + $bysetposw2[] = $wdatets; + } + else { + if(( isset( $recur['FREQ'] ) && ( 'YEARLY' == $recur['FREQ'] ) && + ( $bysetposYold == $wdate['year'] )) || + ( isset( $recur['FREQ'] ) && ( 'MONTHLY' == $recur['FREQ'] ) && + (( $bysetposYold == $wdate['year'] ) && + ( $bysetposMold == $wdate['month'] ))) || + ( isset( $recur['FREQ'] ) && ( 'DAILY' == $recur['FREQ'] ) && + (( $bysetposYold == $wdate['year'] ) && + ( $bysetposMold == $wdate['month']) && + ( $bysetposDold == $wdate['day'] )))) { +// echo "bysetposymd1[]=".date('Y-m-d H:i:s',$wdatets)."
\n";//test + $bysetposymd1[] = $wdatets; + } + else { +// echo "bysetposymd2[]=".date('Y-m-d H:i:s',$wdatets)."
\n";//test + $bysetposymd2[] = $wdatets; + } + } + } + else { + /* update result array if BYSETPOS is set */ + $countcnt++; + if( $startdatets <= $wdatets ) { // only output within period + $result[$wdatets] = TRUE; +// echo "recur ".date('Y-m-d H:i:s',$wdatets)."
\n";//test + } +// echo "recur undate ".date('Y-m-d H:i:s',$wdatets)." okdatstart ".date('Y-m-d H:i:s',$startdatets)."
\n";//test + $updateOK = FALSE; + } + } + /* step up date */ + iCalUtilityFunctions::_stepdate( $wdate, $wdatets, $step); + /* check if BYSETPOS is set for updating result array */ + if( $updateOK && isset( $recur['BYSETPOS'] )) { + $bysetpos = FALSE; + if( isset( $recur['FREQ'] ) && ( 'YEARLY' == $recur['FREQ'] ) && + ( $bysetposYold != $wdate['year'] )) { + $bysetpos = TRUE; + $bysetposYold = $wdate['year']; + } + elseif( isset( $recur['FREQ'] ) && ( 'MONTHLY' == $recur['FREQ'] && + (( $bysetposYold != $wdate['year'] ) || ( $bysetposMold != $wdate['month'] )))) { + $bysetpos = TRUE; + $bysetposYold = $wdate['year']; + $bysetposMold = $wdate['month']; + } + elseif( isset( $recur['FREQ'] ) && ( 'WEEKLY' == $recur['FREQ'] )) { + $weekno = (int) date( 'W', mktime( 0, 0, $wkst, $wdate['month'], $wdate['day'], $wdate['year'])); + if( $bysetposWold != $weekno ) { + $bysetposWold = $weekno; + $bysetpos = TRUE; + } + } + elseif( isset( $recur['FREQ'] ) && ( 'DAILY' == $recur['FREQ'] ) && + (( $bysetposYold != $wdate['year'] ) || + ( $bysetposMold != $wdate['month'] ) || + ( $bysetposDold != $wdate['day'] ))) { + $bysetpos = TRUE; + $bysetposYold = $wdate['year']; + $bysetposMold = $wdate['month']; + $bysetposDold = $wdate['day']; + } + if( $bysetpos ) { + if( isset( $recur['BYWEEKNO'] )) { + $bysetposarr1 = & $bysetposw1; + $bysetposarr2 = & $bysetposw2; + } + else { + $bysetposarr1 = & $bysetposymd1; + $bysetposarr2 = & $bysetposymd2; + } +// echo 'test före out startYMD (weekno)='.$wdateStart['year'].':'.$wdateStart['month'].':'.$wdateStart['day']." ($weekStart) "; // test ### + foreach( $recur['BYSETPOS'] as $ix ) { + if( 0 > $ix ) // both positive and negative BYSETPOS allowed + $ix = ( count( $bysetposarr1 ) + $ix + 1); + $ix--; + if( isset( $bysetposarr1[$ix] )) { + if( $startdatets <= $bysetposarr1[$ix] ) { // only output within period +// $testdate = iCalUtilityFunctions::_timestamp2date( $bysetposarr1[$ix], 6 ); // test ### +// $testweekno = (int) date( 'W', mktime( 0, 0, $wkst, $testdate['month'], $testdate['day'], $testdate['year'] )); // test ### +// echo " testYMD (weekno)=".$testdate['year'].':'.$testdate['month'].':'.$testdate['day']." ($testweekno)"; // test ### + $result[$bysetposarr1[$ix]] = TRUE; +// echo " recur ".date('Y-m-d H:i:s',$bysetposarr1[$ix]); // test ### + } + $countcnt++; + } + if( isset( $recur['COUNT'] ) && ( $countcnt >= $recur['COUNT'] )) + break; + } +// echo "
\n"; // test ### + $bysetposarr1 = $bysetposarr2; + $bysetposarr2 = array(); + } + } + } + } + public static function _recurBYcntcheck( $BYvalue, $upValue, $downValue ) { + if( is_array( $BYvalue ) && + ( in_array( $upValue, $BYvalue ) || in_array( $downValue, $BYvalue ))) + return TRUE; + elseif(( $BYvalue == $upValue ) || ( $BYvalue == $downValue )) + return TRUE; + else + return FALSE; + } + public static function _recurIntervalIx( $freq, $date, $wkst ) { + /* create interval index */ + switch( $freq ) { + case 'YEARLY': + $intervalix = $date['year']; + break; + case 'MONTHLY': + $intervalix = $date['year'].'-'.$date['month']; + break; + case 'WEEKLY': + $wdatets = iCalUtilityFunctions::_date2timestamp( $date ); + $intervalix = (int) date( 'W', ( $wdatets + $wkst )); + break; + case 'DAILY': + default: + $intervalix = $date['year'].'-'.$date['month'].'-'.$date['day']; + break; + } + return $intervalix; + } +/** + * convert input format for exrule and rrule to internal format + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.14.1 - 2012-09-24 + * @param array $rexrule + * @return array + */ + public static function _setRexrule( $rexrule ) { + $input = array(); + if( empty( $rexrule )) + return $input; + foreach( $rexrule as $rexrulelabel => $rexrulevalue ) { + $rexrulelabel = strtoupper( $rexrulelabel ); + if( 'UNTIL' != $rexrulelabel ) + $input[$rexrulelabel] = $rexrulevalue; + else { + iCalUtilityFunctions::_strDate2arr( $rexrulevalue ); + if( iCalUtilityFunctions::_isArrayTimestampDate( $rexrulevalue )) // timestamp, always date-time UTC + $input[$rexrulelabel] = iCalUtilityFunctions::_timestamp2date( $rexrulevalue, 7, 'UTC' ); + elseif( iCalUtilityFunctions::_isArrayDate( $rexrulevalue )) { // date or UTC date-time + $parno = ( isset( $rexrulevalue['hour'] ) || isset( $rexrulevalue[4] )) ? 7 : 3; + $d = iCalUtilityFunctions::_chkDateArr( $rexrulevalue, $parno ); + if(( 3 < $parno ) && isset( $d['tz'] ) && ( 'Z' != $d['tz'] ) && iCalUtilityFunctions::_isOffset( $d['tz'] )) { + $strdate = sprintf( '%04d-%02d-%02d %02d:%02d:%02d %s', $d['year'], $d['month'], $d['day'], $d['hour'], $d['min'], $d['sec'], $d['tz'] ); + $input[$rexrulelabel] = iCalUtilityFunctions::_strdate2date( $strdate, 7 ); + unset( $input[$rexrulelabel]['unparsedtext'] ); + } + else + $input[$rexrulelabel] = $d; + } + elseif( 8 <= strlen( trim( $rexrulevalue ))) { // ex. textual date-time 2006-08-03 10:12:18 => UTC + $input[$rexrulelabel] = iCalUtilityFunctions::_strdate2date( $rexrulevalue ); + unset( $input['$rexrulelabel']['unparsedtext'] ); + } + if(( 3 < count( $input[$rexrulelabel] )) && !isset( $input[$rexrulelabel]['tz'] )) + $input[$rexrulelabel]['tz'] = 'Z'; + } + } + /* set recurrence rule specification in rfc2445 order */ + $input2 = array(); + if( isset( $input['FREQ'] )) + $input2['FREQ'] = $input['FREQ']; + if( isset( $input['UNTIL'] )) + $input2['UNTIL'] = $input['UNTIL']; + elseif( isset( $input['COUNT'] )) + $input2['COUNT'] = $input['COUNT']; + if( isset( $input['INTERVAL'] )) + $input2['INTERVAL'] = $input['INTERVAL']; + if( isset( $input['BYSECOND'] )) + $input2['BYSECOND'] = $input['BYSECOND']; + if( isset( $input['BYMINUTE'] )) + $input2['BYMINUTE'] = $input['BYMINUTE']; + if( isset( $input['BYHOUR'] )) + $input2['BYHOUR'] = $input['BYHOUR']; + if( isset( $input['BYDAY'] )) { + if( !is_array( $input['BYDAY'] )) // ensure upper case.. . + $input2['BYDAY'] = strtoupper( $input['BYDAY'] ); + else { + foreach( $input['BYDAY'] as $BYDAYx => $BYDAYv ) { + if( 'DAY' == strtoupper( $BYDAYx )) + $input2['BYDAY']['DAY'] = strtoupper( $BYDAYv ); + elseif( !is_array( $BYDAYv )) { + $input2['BYDAY'][$BYDAYx] = $BYDAYv; + } + else { + foreach( $BYDAYv as $BYDAYx2 => $BYDAYv2 ) { + if( 'DAY' == strtoupper( $BYDAYx2 )) + $input2['BYDAY'][$BYDAYx]['DAY'] = strtoupper( $BYDAYv2 ); + else + $input2['BYDAY'][$BYDAYx][$BYDAYx2] = $BYDAYv2; + } + } + } + } + } + if( isset( $input['BYMONTHDAY'] )) + $input2['BYMONTHDAY'] = $input['BYMONTHDAY']; + if( isset( $input['BYYEARDAY'] )) + $input2['BYYEARDAY'] = $input['BYYEARDAY']; + if( isset( $input['BYWEEKNO'] )) + $input2['BYWEEKNO'] = $input['BYWEEKNO']; + if( isset( $input['BYMONTH'] )) + $input2['BYMONTH'] = $input['BYMONTH']; + if( isset( $input['BYSETPOS'] )) + $input2['BYSETPOS'] = $input['BYSETPOS']; + if( isset( $input['WKST'] )) + $input2['WKST'] = $input['WKST']; + return $input2; + } +/** + * convert format for input date to internal date with parameters + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.14.1 - 2012-10-15 + * @param mixed $year + * @param mixed $month optional + * @param int $day optional + * @param int $hour optional + * @param int $min optional + * @param int $sec optional + * @param string $tz optional + * @param array $params optional + * @param string $caller optional + * @param string $objName optional + * @param string $tzid optional + * @return array + */ + public static function _setDate( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $tz=FALSE, $params=FALSE, $caller=null, $objName=null, $tzid=FALSE ) { + $input = $parno = null; + $localtime = (( 'dtstart' == $caller ) && in_array( $objName, array( 'vtimezone', 'standard', 'daylight' ))) ? TRUE : FALSE; + iCalUtilityFunctions::_strDate2arr( $year ); + if( iCalUtilityFunctions::_isArrayDate( $year )) { + $input['value'] = iCalUtilityFunctions::_chkDateArr( $year, $parno ); + if( 100 > $input['value']['year'] ) + $input['value']['year'] += 2000; + if( $localtime ) + unset( $month['VALUE'], $month['TZID'] ); + elseif( !isset( $month['TZID'] ) && isset( $tzid )) + $month['TZID'] = $tzid; + if( isset( $input['value']['tz'] ) && iCalUtilityFunctions::_isOffset( $input['value']['tz'] )) + unset( $month['TZID'] ); + elseif( isset( $month['TZID'] ) && iCalUtilityFunctions::_isOffset( $month['TZID'] )) { + $input['value']['tz'] = $month['TZID']; + unset( $month['TZID'] ); + } + $input['params'] = iCalUtilityFunctions::_setParams( $month, array( 'VALUE' => 'DATE-TIME' )); + $hitval = ( isset( $input['value']['tz'] )) ? 7 : 6; + $parno = iCalUtilityFunctions::_existRem( $input['params'], 'VALUE', 'DATE-TIME', $hitval ); + $parno = iCalUtilityFunctions::_existRem( $input['params'], 'VALUE', 'DATE', 3, count( $input['value'] ), $parno ); + if(( 3 != $parno ) && isset( $input['value']['tz'] ) && ( 'Z' != $input['value']['tz'] ) && iCalUtilityFunctions::_isOffset( $input['value']['tz'] )) { + $d = $input['value']; + $strdate = sprintf( '%04d-%02d-%02d %02d:%02d:%02d %s', $d['year'], $d['month'], $d['day'], $d['hour'], $d['min'], $d['sec'], $d['tz'] ); + $input['value'] = iCalUtilityFunctions::_strdate2date( $strdate, $parno ); + unset( $input['value']['unparsedtext'], $input['params']['TZID'] ); + } + if( isset( $input['value']['tz'] ) && !iCalUtilityFunctions::_isOffset( $input['value']['tz'] )) { + $input['params']['TZID'] = $input['value']['tz']; + unset( $input['value']['tz'] ); + } + } // end if( iCalUtilityFunctions::_isArrayDate( $year )) + elseif( iCalUtilityFunctions::_isArrayTimestampDate( $year )) { + if( $localtime ) unset ( $month['VALUE'], $month['TZID'] ); + $input['params'] = iCalUtilityFunctions::_setParams( $month, array( 'VALUE' => 'DATE-TIME' )); + $parno = iCalUtilityFunctions::_existRem( $input['params'], 'VALUE', 'DATE', 3 ); + $hitval = 7; + $parno = iCalUtilityFunctions::_existRem( $input['params'], 'VALUE', 'DATE-TIME', $hitval, $parno ); + if( !isset( $input['params']['TZID'] ) && !empty( $tzid )) + $input['params']['TZID'] = $tzid; + if( isset( $year['tz'] )) { + $parno = 6; + if( !iCalUtilityFunctions::_isOffset( $year['tz'] )) + $input['params']['TZID'] = $year['tz']; + } + elseif( isset( $input['params']['TZID'] )) { + $year['tz'] = $input['params']['TZID']; + $parno = 6; + if( iCalUtilityFunctions::_isOffset( $input['params']['TZID'] )) { + unset( $input['params']['TZID'] ); + $parno = 7; + } + } + $input['value'] = iCalUtilityFunctions::_timestamp2date( $year, $parno ); + } // end elseif( iCalUtilityFunctions::_isArrayTimestampDate( $year )) + elseif( 8 <= strlen( trim( $year ))) { // ex. 2006-08-03 10:12:18 [[[+/-]1234[56]] / timezone] + if( $localtime ) + unset( $month['VALUE'], $month['TZID'] ); + elseif( !isset( $month['TZID'] ) && !empty( $tzid )) + $month['TZID'] = $tzid; + $input['params'] = iCalUtilityFunctions::_setParams( $month, array( 'VALUE' => 'DATE-TIME' )); + $parno = iCalUtilityFunctions::_existRem( $input['params'], 'VALUE', 'DATE-TIME', 7, $parno ); + $parno = iCalUtilityFunctions::_existRem( $input['params'], 'VALUE', 'DATE', 3, $parno, $parno ); + $input['value'] = iCalUtilityFunctions::_strdate2date( $year, $parno ); + unset( $input['value']['unparsedtext'] ); + if( isset( $input['value']['tz'] )) { + if( iCalUtilityFunctions::_isOffset( $input['value']['tz'] )) { + $d = $input['value']; + $strdate = sprintf( '%04d-%02d-%02d %02d:%02d:%02d %s', $d['year'], $d['month'], $d['day'], $d['hour'], $d['min'], $d['sec'], $d['tz'] ); + $input['value'] = iCalUtilityFunctions::_strdate2date( $strdate, 7 ); + unset( $input['value']['unparsedtext'], $input['params']['TZID'] ); + } + else { + $input['params']['TZID'] = $input['value']['tz']; + unset( $input['value']['tz'] ); + } + } + elseif( isset( $input['params']['TZID'] ) && iCalUtilityFunctions::_isOffset( $input['params']['TZID'] )) { + $d = $input['value']; + $strdate = sprintf( '%04d-%02d-%02d %02d:%02d:%02d %s', $d['year'], $d['month'], $d['day'], $d['hour'], $d['min'], $d['sec'], $input['params']['TZID'] ); + $input['value'] = iCalUtilityFunctions::_strdate2date( $strdate, 7 ); + unset( $input['value']['unparsedtext'], $input['params']['TZID'] ); + } + } // end elseif( 8 <= strlen( trim( $year ))) + else { + if( is_array( $params )) + $input['params'] = iCalUtilityFunctions::_setParams( $params, array( 'VALUE' => 'DATE-TIME' )); + elseif( is_array( $tz )) { + $input['params'] = iCalUtilityFunctions::_setParams( $tz, array( 'VALUE' => 'DATE-TIME' )); + $tz = FALSE; + } + elseif( is_array( $hour )) { + $input['params'] = iCalUtilityFunctions::_setParams( $hour, array( 'VALUE' => 'DATE-TIME' )); + $hour = $min = $sec = $tz = FALSE; + } + if( $localtime ) + unset ( $input['params']['VALUE'], $input['params']['TZID'] ); + elseif( !isset( $tz ) && !isset( $input['params']['TZID'] ) && !empty( $tzid )) + $input['params']['TZID'] = $tzid; + elseif( isset( $tz ) && iCalUtilityFunctions::_isOffset( $tz )) + unset( $input['params']['TZID'] ); + elseif( isset( $input['params']['TZID'] ) && iCalUtilityFunctions::_isOffset( $input['params']['TZID'] )) { + $tz = $input['params']['TZID']; + unset( $input['params']['TZID'] ); + } + $parno = iCalUtilityFunctions::_existRem( $input['params'], 'VALUE', 'DATE', 3 ); + $hitval = ( iCalUtilityFunctions::_isOffset( $tz )) ? 7 : 6; + $parno = iCalUtilityFunctions::_existRem( $input['params'], 'VALUE', 'DATE-TIME', $hitval, $parno, $parno ); + $input['value'] = array( 'year' => $year, 'month' => $month, 'day' => $day ); + if( 3 != $parno ) { + $input['value']['hour'] = ( $hour ) ? $hour : '0'; + $input['value']['min'] = ( $min ) ? $min : '0'; + $input['value']['sec'] = ( $sec ) ? $sec : '0'; + if( !empty( $tz )) + $input['value']['tz'] = $tz; + $strdate = iCalUtilityFunctions::_date2strdate( $input['value'], $parno ); + if( !empty( $tz ) && !iCalUtilityFunctions::_isOffset( $tz )) + $strdate .= ( 'Z' == $tz ) ? $tz : ' '.$tz; + $input['value'] = iCalUtilityFunctions::_strdate2date( $strdate, $parno ); + unset( $input['value']['unparsedtext'] ); + if( isset( $input['value']['tz'] )) { + if( iCalUtilityFunctions::_isOffset( $input['value']['tz'] )) { + $d = $input['value']; + $strdate = sprintf( '%04d-%02d-%02d %02d:%02d:%02d %s', $d['year'], $d['month'], $d['day'], $d['hour'], $d['min'], $d['sec'], $d['tz'] ); + $input['value'] = iCalUtilityFunctions::_strdate2date( $strdate, 7 ); + unset( $input['value']['unparsedtext'], $input['params']['TZID'] ); + } + else { + $input['params']['TZID'] = $input['value']['tz']; + unset( $input['value']['tz'] ); + } + } + elseif( isset( $input['params']['TZID'] ) && iCalUtilityFunctions::_isOffset( $input['params']['TZID'] )) { + $d = $input['value']; + $strdate = sprintf( '%04d-%02d-%02d %02d:%02d:%02d %s', $d['year'], $d['month'], $d['day'], $d['hour'], $d['min'], $d['sec'], $input['params']['TZID'] ); + $input['value'] = iCalUtilityFunctions::_strdate2date( $strdate, 7 ); + unset( $input['value']['unparsedtext'], $input['params']['TZID'] ); + } + } + } // end else (i.e. using all arguments) + if(( 3 == $parno ) || ( isset( $input['params']['VALUE'] ) && ( 'DATE' == $input['params']['VALUE'] ))) { + $input['params']['VALUE'] = 'DATE'; + unset( $input['value']['hour'], $input['value']['min'], $input['value']['sec'], $input['value']['tz'], $input['params']['TZID'] ); + } + elseif( isset( $input['params']['TZID'] )) { + if(( 'UTC' == strtoupper( $input['params']['TZID'] )) || ( 'GMT' == strtoupper( $input['params']['TZID'] ))) { + $input['value']['tz'] = 'Z'; + unset( $input['params']['TZID'] ); + } + else + unset( $input['value']['tz'] ); + } + elseif( isset( $input['value']['tz'] )) { + if(( 'UTC' == strtoupper( $input['value']['tz'] )) || ( 'GMT' == strtoupper( $input['value']['tz'] ))) + $input['value']['tz'] = 'Z'; + if( 'Z' != $input['value']['tz'] ) { + $input['params']['TZID'] = $input['value']['tz']; + unset( $input['value']['tz'] ); + } + else + unset( $input['params']['TZID'] ); + } + if( $localtime ) + unset( $input['value']['tz'], $input['params']['TZID'] ); + return $input; + } +/** + * convert format for input date (UTC) to internal date with parameters + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.14.4 - 2012-10-06 + * @param mixed $year + * @param mixed $month optional + * @param int $day optional + * @param int $hour optional + * @param int $min optional + * @param int $sec optional + * @param array $params optional + * @return array + */ + public static function _setDate2( $year, $month=FALSE, $day=FALSE, $hour=FALSE, $min=FALSE, $sec=FALSE, $params=FALSE ) { + $input = null; + iCalUtilityFunctions::_strDate2arr( $year ); + if( iCalUtilityFunctions::_isArrayDate( $year )) { + $input['value'] = iCalUtilityFunctions::_chkDateArr( $year, 7 ); + if( isset( $input['value']['year'] ) && ( 100 > $input['value']['year'] )) + $input['value']['year'] += 2000; + $input['params'] = iCalUtilityFunctions::_setParams( $month, array( 'VALUE' => 'DATE-TIME' )); + if( isset( $input['value']['tz'] ) && ( 'Z' != $input['value']['tz'] ) && iCalUtilityFunctions::_isOffset( $input['value']['tz'] )) { + $d = $input['value']; + $strdate = sprintf( '%04d-%02d-%02d %02d:%02d:%02d %s', $d['year'], $d['month'], $d['day'], $d['hour'], $d['min'], $d['sec'], $d['tz'] ); + $input['value'] = iCalUtilityFunctions::_strdate2date( $strdate, 7 ); + unset( $input['value']['unparsedtext'] ); + } + } + elseif( iCalUtilityFunctions::_isArrayTimestampDate( $year )) { + $year['tz'] = 'UTC'; + $input['value'] = iCalUtilityFunctions::_timestamp2date( $year, 7 ); + $input['params'] = iCalUtilityFunctions::_setParams( $month, array( 'VALUE' => 'DATE-TIME' )); + } + elseif( 8 <= strlen( trim( $year ))) { // ex. 2006-08-03 10:12:18 + $input['value'] = iCalUtilityFunctions::_strdate2date( $year, 7 ); + unset( $input['value']['unparsedtext'] ); + $input['params'] = iCalUtilityFunctions::_setParams( $month, array( 'VALUE' => 'DATE-TIME' )); + } + else { + $input['value'] = array( 'year' => $year + , 'month' => $month + , 'day' => $day + , 'hour' => $hour + , 'min' => $min + , 'sec' => $sec ); + if( isset( $tz )) $input['value']['tz'] = $tz; + if(( isset( $tz ) && iCalUtilityFunctions::_isOffset( $tz )) || + ( isset( $input['params']['TZID'] ) && iCalUtilityFunctions::_isOffset( $input['params']['TZID'] ))) { + if( !isset( $tz ) && isset( $input['params']['TZID'] ) && iCalUtilityFunctions::_isOffset( $input['params']['TZID'] )) + $input['value']['tz'] = $input['params']['TZID']; + unset( $input['params']['TZID'] ); + $strdate = iCalUtilityFunctions::_date2strdate( $input['value'], 7 ); + $input['value'] = iCalUtilityFunctions::_strdate2date( $strdate, 7 ); + unset( $input['value']['unparsedtext'] ); + } + $input['params'] = iCalUtilityFunctions::_setParams( $params, array( 'VALUE' => 'DATE-TIME' )); + } + $parno = iCalUtilityFunctions::_existRem( $input['params'], 'VALUE', 'DATE-TIME', 7 ); // remove default + if( !isset( $input['value']['hour'] )) $input['value']['hour'] = 0; + if( !isset( $input['value']['min'] )) $input['value']['min'] = 0; + if( !isset( $input['value']['sec'] )) $input['value']['sec'] = 0; + $input['value']['tz'] = 'Z'; + return $input; + } +/** + * check index and set (an indexed) content in multiple value array + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.6.12 - 2011-01-03 + * @param array $valArr + * @param mixed $value + * @param array $params + * @param array $defaults + * @param int $index + * @return void + */ + public static function _setMval( & $valArr, $value, $params=FALSE, $defaults=FALSE, $index=FALSE ) { + if( !is_array( $valArr )) $valArr = array(); + if( $index ) + $index = $index - 1; + elseif( 0 < count( $valArr )) { + $keys = array_keys( $valArr ); + $index = end( $keys ) + 1; + } + else + $index = 0; + $valArr[$index] = array( 'value' => $value, 'params' => iCalUtilityFunctions::_setParams( $params, $defaults )); + ksort( $valArr ); + } +/** + * set input (formatted) parameters- component property attributes + * + * default parameters can be set, if missing + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 1.x.x - 2007-05-01 + * @param array $params + * @param array $defaults + * @return array + */ + public static function _setParams( $params, $defaults=FALSE ) { + if( !is_array( $params)) + $params = array(); + $input = array(); + foreach( $params as $paramKey => $paramValue ) { + if( is_array( $paramValue )) { + foreach( $paramValue as $pkey => $pValue ) { + if(( '"' == substr( $pValue, 0, 1 )) && ( '"' == substr( $pValue, -1 ))) + $paramValue[$pkey] = substr( $pValue, 1, ( strlen( $pValue ) - 2 )); + } + } + elseif(( '"' == substr( $paramValue, 0, 1 )) && ( '"' == substr( $paramValue, -1 ))) + $paramValue = substr( $paramValue, 1, ( strlen( $paramValue ) - 2 )); + if( 'VALUE' == strtoupper( $paramKey )) + $input['VALUE'] = strtoupper( $paramValue ); + else + $input[strtoupper( $paramKey )] = $paramValue; + } + if( is_array( $defaults )) { + foreach( $defaults as $paramKey => $paramValue ) { + if( !isset( $input[$paramKey] )) + $input[$paramKey] = $paramValue; + } + } + return (0 < count( $input )) ? $input : null; + } +/** + * step date, return updated date, array and timpstamp + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.14.1 - 2012-09-24 + * @param array $date, date to step + * @param int $timestamp + * @param array $step, default array( 'day' => 1 ) + * @return void + */ + public static function _stepdate( &$date, &$timestamp, $step=array( 'day' => 1 )) { + if( !isset( $date['hour'] )) $date['hour'] = 0; + if( !isset( $date['min'] )) $date['min'] = 0; + if( !isset( $date['sec'] )) $date['sec'] = 0; + foreach( $step as $stepix => $stepvalue ) + $date[$stepix] += $stepvalue; + $timestamp = mktime( $date['hour'], $date['min'], $date['sec'], $date['month'], $date['day'], $date['year'] ); + $d = date( 'Y-m-d-H-i-s', $timestamp); + $d = explode( '-', $d ); + $date = array( 'year' => $d[0], 'month' => $d[1], 'day' => $d[2], 'hour' => $d[3], 'min' => $d[4], 'sec' => $d[5] ); + foreach( $date as $k => $v ) + $date[$k] = (int) $v; + } +/** + * convert a date from specific string to array format + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.11.8 - 2012-01-27 + * @param mixed $input + * @return bool, TRUE on success + */ + public static function _strDate2arr( & $input ) { + if( is_array( $input )) + return FALSE; + if( 5 > strlen( (string) $input )) + return FALSE; + $work = $input; + if( 2 == substr_count( $work, '-' )) + $work = str_replace( '-', '', $work ); + if( 2 == substr_count( $work, '/' )) + $work = str_replace( '/', '', $work ); + if( !ctype_digit( substr( $work, 0, 8 ))) + return FALSE; + $temp = array( 'year' => (int) substr( $work, 0, 4 ) + , 'month' => (int) substr( $work, 4, 2 ) + , 'day' => (int) substr( $work, 6, 2 )); + if( !checkdate( $temp['month'], $temp['day'], $temp['year'] )) + return FALSE; + if( 8 == strlen( $work )) { + $input = $temp; + return TRUE; + } + if(( ' ' == substr( $work, 8, 1 )) || ( 'T' == substr( $work, 8, 1 )) || ( 't' == substr( $work, 8, 1 ))) + $work = substr( $work, 9 ); + elseif( ctype_digit( substr( $work, 8, 1 ))) + $work = substr( $work, 8 ); + else + return FALSE; + if( 2 == substr_count( $work, ':' )) + $work = str_replace( ':', '', $work ); + if( !ctype_digit( substr( $work, 0, 4 ))) + return FALSE; + $temp['hour'] = substr( $work, 0, 2 ); + $temp['min'] = substr( $work, 2, 2 ); + if((( 0 > $temp['hour'] ) || ( $temp['hour'] > 23 )) || + (( 0 > $temp['min'] ) || ( $temp['min'] > 59 ))) + return FALSE; + if( ctype_digit( substr( $work, 4, 2 ))) { + $temp['sec'] = substr( $work, 4, 2 ); + if(( 0 > $temp['sec'] ) || ( $temp['sec'] > 59 )) + return FALSE; + $len = 6; + } + else { + $temp['sec'] = 0; + $len = 4; + } + if( $len < strlen( $work)) + $temp['tz'] = trim( substr( $work, 6 )); + $input = $temp; + return TRUE; + } +/** + * ensures internal date-time/date format for input date-time/date in string fromat + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.14.1 - 2012-10-07 + * Modified to also return original string value by Yitzchok Lavi + * @param array $datetime + * @param int $parno optional, default FALSE + * @param moxed $wtz optional, default null + * @return array + */ + public static function _date_time_string( $datetime, $parno=FALSE ) { + return iCalUtilityFunctions::_strdate2date( $datetime, $parno, null ); + } + public static function _strdate2date( $datetime, $parno=FALSE, $wtz=null ) { + // save original input string to return it later + $unparseddatetime = $datetime; + $datetime = (string) trim( $datetime ); + $tz = null; + $offset = 0; + $tzSts = FALSE; + $len = strlen( $datetime ); + if( 'Z' == substr( $datetime, -1 )) { + $tz = 'Z'; + $datetime = trim( substr( $datetime, 0, ( $len - 1 ))); + $tzSts = TRUE; + $len = 88; + } + if( iCalUtilityFunctions::_isOffset( substr( $datetime, -5, 5 ))) { // [+/-]NNNN offset + $tz = substr( $datetime, -5, 5 ); + $datetime = trim( substr( $datetime, 0, ($len - 5))); + $len = strlen( $datetime ); + } + elseif( iCalUtilityFunctions::_isOffset( substr( $datetime, -7, 7 ))) { // [+/-]NNNNNN offset + $tz = substr( $datetime, -7, 7 ); + $datetime = trim( substr( $datetime, 0, ($len - 7))); + $len = strlen( $datetime ); + } + elseif( empty( $wtz ) && ctype_digit( substr( $datetime, 0, 4 )) && ctype_digit( substr( $datetime, -2, 2 )) && iCalUtilityFunctions::_strDate2arr( $datetime )) { + $output = $datetime; + if( !empty( $tz )) + $output['tz'] = 'Z'; + $output['unparsedtext'] = $unparseddatetime; + return $output; + } + else { + $cx = $tx = 0; // find any trailing timezone or offset + for( $cx = -1; $cx > ( 9 - $len ); $cx-- ) { + $char = substr( $datetime, $cx, 1 ); + if(( ' ' == $char) || ctype_digit( $char )) + break; // if exists, tz ends here.. . ? + else + $tx--; // tz length counter + } + if( 0 > $tx ) { // if any + $tz = substr( $datetime, $tx ); + $datetime = trim( substr( $datetime, 0, $len + $tx )); + $len = strlen( $datetime ); + } + if(( 17 <= $len ) || // long textual datetime + ( ctype_digit( substr( $datetime, 0, 8 )) && ( 'T' == substr( $datetime, 8, 1 )) && ctype_digit( substr( $datetime, -6, 6 ))) || + ( ctype_digit( substr( $datetime, 0, 14 )))) { + $len = 88; + $tzSts = TRUE; + } + else + $tz = null; // no tz for Y-m-d dates + } + if( empty( $tz ) && !empty( $wtz )) + $tz = $wtz; + if( 17 >= $len ) // any Y-m-d textual date + $tz = null; + if( !empty( $tz ) && ( 17 < $len )) { // tz set AND long textual datetime + if(( 'Z' != $tz ) && ( iCalUtilityFunctions::_isOffset( $tz ))) { + $offset = (string) iCalUtilityFunctions::_tz2offset( $tz ) * -1; + $tz = 'UTC'; + $tzSts = TRUE; + } + elseif( !empty( $wtz )) + $tzSts = TRUE; + $tz = trim( $tz ); + if(( 'Z' == $tz ) || ( 'GMT' == strtoupper( $tz ))) + $tz = 'UTC'; + if( 0 < substr_count( $datetime, '-' )) + $datetime = str_replace( '-', '/', $datetime ); + try { + $d = new DateTime( $datetime, new DateTimeZone( $tz )); + if( 0 != $offset ) // adjust for offset + $d->modify( $offset.' seconds' ); + $datestring = $d->format( 'Y-m-d-H-i-s' ); + unset( $d ); + } + catch( Exception $e ) { + $datestring = date( 'Y-m-d-H-i-s', strtotime( $datetime )); + } + } // end if( !empty( $tz ) && ( 17 < $len )) + else + $datestring = date( 'Y-m-d-H-i-s', strtotime( $datetime )); +// echo " _strdate2date input=$datetime, tz=$tz, offset=$offset, wtz=$wtz, len=$len, prepDate=$datestring\n"; + if( 'UTC' == $tz ) + $tz = 'Z'; + $d = explode( '-', $datestring ); + $output = array( 'year' => $d[0], 'month' => $d[1], 'day' => $d[2] ); + if((( FALSE !== $parno ) && ( 3 != $parno )) || // parno is set to 6 or 7 + (( FALSE === $parno ) && ( 'Z' == $tz )) || // parno is not set and UTC + (( FALSE === $parno ) && ( 'Z' != $tz ) && ( 0 != $d[3] + $d[4] + $d[5] ) && ( 17 < $len ))) { // !parno and !UTC and 0 != hour+min+sec and long input text + $output['hour'] = $d[3]; + $output['min'] = $d[4]; + $output['sec'] = $d[5]; + if(( $tzSts || ( 7 == $parno )) && !empty( $tz )) + $output['tz'] = $tz; + } + // return original string in the array in case strtotime failed to make sense of it + $output['unparsedtext'] = $unparseddatetime; + return $output; + } +/** + * convert timestamp to date array, default UTC or adjusted for offset/timezone + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.15.1 - 2012-10-17 + * @param mixed $timestamp + * @param int $parno + * @param string $wtz + * @return array + */ + public static function _timestamp2date( $timestamp, $parno=6, $wtz=null ) { + if( is_array( $timestamp )) { + $tz = ( isset( $timestamp['tz'] )) ? $timestamp['tz'] : $wtz; + $timestamp = $timestamp['timestamp']; + } + $tz = ( isset( $tz )) ? $tz : $wtz; + if( empty( $tz ) || ( 'Z' == $tz ) || ( 'GMT' == strtoupper( $tz ))) + $tz = 'UTC'; + elseif( iCalUtilityFunctions::_isOffset( $tz )) { + $offset = iCalUtilityFunctions::_tz2offset( $tz ); + $tz = 'UTC'; + } + try { + $d = new DateTime( "@$timestamp" ); // set UTC date + if( isset( $offset ) && ( 0 != $offset )) // adjust for offset + $d->modify( $offset.' seconds' ); + elseif( 'UTC' != $tz ) + $d->setTimezone( new DateTimeZone( $tz )); // convert to local date + $date = $d->format( 'Y-m-d-H-i-s' ); + unset( $d ); + } + catch( Exception $e ) { + $date = date( 'Y-m-d-H-i-s', $timestamp ); + } + $date = explode( '-', $date ); + $output = array( 'year' => $date[0], 'month' => $date[1], 'day' => $date[2] ); + if( 3 != $parno ) { + $output['hour'] = $date[3]; + $output['min'] = $date[4]; + $output['sec'] = $date[5]; + if( 'UTC' == $tz && ( !isset( $offset ) || ( 0 == $offset ))) + $output['tz'] = 'Z'; + } + return $output; + } +/** + * convert timestamp (seconds) to duration in array format + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.6.23 - 2010-10-23 + * @param int $timestamp + * @return array, duration format + */ + public static function _timestamp2duration( $timestamp ) { + $dur = array(); + $dur['week'] = (int) floor( $timestamp / ( 7 * 24 * 60 * 60 )); + $timestamp = $timestamp % ( 7 * 24 * 60 * 60 ); + $dur['day'] = (int) floor( $timestamp / ( 24 * 60 * 60 )); + $timestamp = $timestamp % ( 24 * 60 * 60 ); + $dur['hour'] = (int) floor( $timestamp / ( 60 * 60 )); + $timestamp = $timestamp % ( 60 * 60 ); + $dur['min'] = (int) floor( $timestamp / ( 60 )); + $dur['sec'] = (int) $timestamp % ( 60 ); + return $dur; + } +/** + * transforms a dateTime from a timezone to another using PHP DateTime and DateTimeZone class (PHP >= PHP 5.2.0) + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.15.1 - 2012-10-17 + * @param mixed $date, date to alter + * @param string $tzFrom, PHP valid 'from' timezone + * @param string $tzTo, PHP valid 'to' timezone, default 'UTC' + * @param string $format, date output format, default 'Ymd\THis' + * @return bool + */ + public static function transformDateTime( & $date, $tzFrom, $tzTo='UTC', $format = 'Ymd\THis' ) { + if( is_array( $date ) && isset( $date['timestamp'] )) { + try { + $d = new DateTime( "@{$date['timestamp']}" ); // set UTC date + $d->setTimezone(new DateTimeZone( $tzFrom )); // convert to 'from' date + } + catch( Exception $e ) { return FALSE; } + } + else { + if( iCalUtilityFunctions::_isArrayDate( $date )) { + if( isset( $date['tz'] )) + unset( $date['tz'] ); + $date = iCalUtilityFunctions::_date2strdate( iCalUtilityFunctions::_chkDateArr( $date )); + } + if( 'Z' == substr( $date, -1 )) + $date = substr( $date, 0, ( strlen( $date ) - 2 )); + try { $d = new DateTime( $date, new DateTimeZone( $tzFrom )); } + catch( Exception $e ) { return FALSE; } + } + try { $d->setTimezone( new DateTimeZone( $tzTo )); } + catch( Exception $e ) { return FALSE; } + $date = $d->format( $format ); + return TRUE; + } +/** + * convert offset, [+/-]HHmm[ss], to seconds used when correcting UTC to localtime or v.v. + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.11.4 - 2012-01-11 + * @param string $offset + * @return integer + */ + public static function _tz2offset( $tz ) { + $tz = trim( (string) $tz ); + $offset = 0; + if((( 5 != strlen( $tz )) && ( 7 != strlen( $tz ))) || + (( '+' != substr( $tz, 0, 1 )) && ( '-' != substr( $tz, 0, 1 ))) || + (( '0000' >= substr( $tz, 1, 4 )) && ( '9999' < substr( $tz, 1, 4 ))) || + (( 7 == strlen( $tz )) && ( '00' > substr( $tz, 5, 2 )) && ( '99' < substr( $tz, 5, 2 )))) + return $offset; + $hours2sec = (int) substr( $tz, 1, 2 ) * 3600; + $min2sec = (int) substr( $tz, 3, 2 ) * 60; + $sec = ( 7 == strlen( $tz )) ? (int) substr( $tz, -2 ) : '00'; + $offset = $hours2sec + $min2sec + $sec; + $offset = ('-' == substr( $tz, 0, 1 )) ? $offset * -1 : $offset; + return $offset; + } +} +/*********************************************************************************/ +/* iCalcreator vCard helper functions */ +/*********************************************************************************/ +/** + * convert single ATTENDEE, CONTACT or ORGANIZER (in email format) to vCard + * returns vCard/TRUE or if directory (if set) or file write is unvalid, FALSE + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.12.2 - 2012-07-11 + * @param object $email + * $param string $version, vCard version (default 2.1) + * $param string $directory, where to save vCards (default FALSE) + * $param string $ext, vCard file extension (default 'vcf') + * @return mixed + */ +function iCal2vCard( $email, $version='2.1', $directory=FALSE, $ext='vcf' ) { + if( FALSE === ( $pos = strpos( $email, '@' ))) + return FALSE; + if( $directory ) { + if( DIRECTORY_SEPARATOR != substr( $directory, ( 0 - strlen( DIRECTORY_SEPARATOR )))) + $directory .= DIRECTORY_SEPARATOR; + if( !is_dir( $directory ) || !is_writable( $directory )) + return FALSE; + } + /* prepare vCard */ + $email = str_replace( 'MAILTO:', '', $email ); + $name = $person = substr( $email, 0, $pos ); + if( ctype_upper( $name ) || ctype_lower( $name )) + $name = array( $name ); + else { + if( FALSE !== ( $pos = strpos( $name, '.' ))) { + $name = explode( '.', $name ); + foreach( $name as $k => $part ) + $name[$k] = ucfirst( $part ); + } + else { // split camelCase + $chars = $name; + $name = array( $chars[0] ); + $k = 0; + $x = 1; + while( FALSE !== ( $char = substr( $chars, $x, 1 ))) { + if( ctype_upper( $char )) { + $k += 1; + $name[$k] = ''; + } + $name[$k] .= $char; + $x++; + } + } + } + $nl = "\r\n"; + $FN = 'FN:'.implode( ' ', $name ).$nl; + $name = array_reverse( $name ); + $N = 'N:'.array_shift( $name ); + $scCnt = 0; + while( NULL != ( $part = array_shift( $name ))) { + if(( '4.0' != $version ) || ( 4 > $scCnt )) + $scCnt += 1; + $N .= ';'.$part; + } + while(( '4.0' == $version ) && ( 4 > $scCnt )) { + $N .= ';'; + $scCnt += 1; + } + $N .= $nl; + $EMAIL = 'EMAIL:'.$email.$nl; + /* create vCard */ + $vCard = 'BEGIN:VCARD'.$nl; + $vCard .= "VERSION:$version$nl"; + $vCard .= 'PRODID:-//kigkonsult.se '.ICALCREATOR_VERSION."//$nl"; + $vCard .= $N; + $vCard .= $FN; + $vCard .= $EMAIL; + $vCard .= 'REV:'.gmdate( 'Ymd\THis\Z' ).$nl; + $vCard .= 'END:VCARD'.$nl; + /* save each vCard as (unique) single file */ + if( $directory ) { + $fname = $directory.preg_replace( '/[^a-z0-9.]/i', '', $email ); + $cnt = 1; + $dbl = ''; + while( is_file ( $fname.$dbl.'.'.$ext )) { + $cnt += 1; + $dbl = "_$cnt"; + } + if( FALSE === file_put_contents( $fname, $fname.$dbl.'.'.$ext )) + return FALSE; + return TRUE; + } + /* return vCard */ + else + return $vCard; +} +/** + * convert ATTENDEEs, CONTACTs and ORGANIZERs (in email format) to vCards + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.12.2 - 2012-05-07 + * @param object $calendar, iCalcreator vcalendar instance reference + * $param string $version, vCard version (default 2.1) + * $param string $directory, where to save vCards (default FALSE) + * $param string $ext, vCard file extension (default 'vcf') + * @return mixed + */ +function iCal2vCards( & $calendar, $version='2.1', $directory=FALSE, $ext='vcf' ) { + $hits = array(); + $vCardP = array( 'ATTENDEE', 'CONTACT', 'ORGANIZER' ); + foreach( $vCardP as $prop ) { + $hits2 = $calendar->getProperty( $prop ); + foreach( $hits2 as $propValue => $occCnt ) { + if( FALSE === ( $pos = strpos( $propValue, '@' ))) + continue; + $propValue = str_replace( 'MAILTO:', '', $propValue ); + if( isset( $hits[$propValue] )) + $hits[$propValue] += $occCnt; + else + $hits[$propValue] = $occCnt; + } + } + if( empty( $hits )) + return FALSE; + ksort( $hits ); + $output = ''; + foreach( $hits as $email => $skip ) { + $res = iCal2vCard( $email, $version, $directory, $ext ); + if( $directory && !$res ) + return FALSE; + elseif( !$res ) + return $res; + else + $output .= $res; + } + if( $directory ) + return TRUE; + if( !empty( $output )) + return $output; + return FALSE; +} +/*********************************************************************************/ +/* iCalcreator XML (rfc6321) helper functions */ +/*********************************************************************************/ +/** + * format iCal XML output, rfc6321, using PHP SimpleXMLElement + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.15.6 - 2012-10-19 + * @param object $calendar, iCalcreator vcalendar instance reference + * @return string + */ +function iCal2XML( & $calendar ) { + /** fix an SimpleXMLElement instance and create root element */ + $xmlstr = ''; + $xmlstr .= ''; + $xmlstr .= ''; + $xml = new SimpleXMLElement( $xmlstr ); + $vcalendar = $xml->addChild( 'vcalendar' ); + /** fix calendar properties */ + $properties = $vcalendar->addChild( 'properties' ); + $calProps = array( 'prodid', 'version', 'calscale', 'method' ); + foreach( $calProps as $calProp ) { + if( FALSE !== ( $content = $calendar->getProperty( $calProp ))) + _addXMLchild( $properties, $calProp, 'text', $content ); + } + while( FALSE !== ( $content = $calendar->getProperty( FALSE, FALSE, TRUE ))) + _addXMLchild( $properties, $content[0], 'unknown', $content[1]['value'], $content[1]['params'] ); + $langCal = $calendar->getConfig( 'language' ); + /** prepare to fix components with properties */ + $components = $vcalendar->addChild( 'components' ); + $comps = array( 'vtimezone', 'vevent', 'vtodo', 'vjournal', 'vfreebusy' ); + foreach( $comps as $compName ) { + switch( $compName ) { + case 'vevent': + case 'vtodo': + $subComps = array( 'valarm' ); + break; + case 'vjournal': + case 'vfreebusy': + $subComps = array(); + break; + case 'vtimezone': + $subComps = array( 'standard', 'daylight' ); + break; + } // end switch( $compName ) + /** fix component properties */ + while( FALSE !== ( $component = $calendar->getComponent( $compName ))) { + $child = $components->addChild( $compName ); + $properties = $child->addChild( 'properties' ); + $langComp = $component->getConfig( 'language' ); + $props = $component->getConfig( 'setPropertyNames' ); + foreach( $props as $prop ) { + switch( strtolower( $prop )) { + case 'attach': // may occur multiple times, below + while( FALSE !== ( $content = $component->getProperty( $prop, FALSE, TRUE ))) { + $type = ( isset( $content['params']['VALUE'] ) && ( 'BINARY' == $content['params']['VALUE'] )) ? 'binary' : 'uri'; + unset( $content['params']['VALUE'] ); + _addXMLchild( $properties, $prop, $type, $content['value'], $content['params'] ); + } + break; + case 'attendee': + while( FALSE !== ( $content = $component->getProperty( $prop, FALSE, TRUE ))) { + if( isset( $content['params']['CN'] ) && !isset( $content['params']['LANGUAGE'] )) { + if( $langComp ) + $content['params']['LANGUAGE'] = $langComp; + elseif( $langCal ) + $content['params']['LANGUAGE'] = $langCal; + } + _addXMLchild( $properties, $prop, 'cal-address', $content['value'], $content['params'] ); + } + break; + case 'exdate': + while( FALSE !== ( $content = $component->getProperty( $prop, FALSE, TRUE ))) { + $type = ( isset( $content['params']['VALUE'] ) && ( 'DATE' == $content['params']['VALUE'] )) ? 'date' : 'date-time'; + unset( $content['params']['VALUE'] ); + _addXMLchild( $properties, $prop, $type, $content['value'], $content['params'] ); + } + break; + case 'freebusy': + while( FALSE !== ( $content = $component->getProperty( $prop, FALSE, TRUE ))) { + if( is_array( $content ) && isset( $content['value']['fbtype'] )) { + $content['params']['FBTYPE'] = $content['value']['fbtype']; + unset( $content['value']['fbtype'] ); + } + _addXMLchild( $properties, $prop, 'period', $content['value'], $content['params'] ); + } + break; + case 'request-status': + while( FALSE !== ( $content = $component->getProperty( $prop, FALSE, TRUE ))) { + if( !isset( $content['params']['LANGUAGE'] )) { + if( $langComp ) + $content['params']['LANGUAGE'] = $langComp; + elseif( $langCal ) + $content['params']['LANGUAGE'] = $langCal; + } + _addXMLchild( $properties, $prop, 'rstatus', $content['value'], $content['params'] ); + } + break; + case 'rdate': + while( FALSE !== ( $content = $component->getProperty( $prop, FALSE, TRUE ))) { + $type = 'date-time'; + if( isset( $content['params']['VALUE'] )) { + if( 'DATE' == $content['params']['VALUE'] ) + $type = 'date'; + elseif( 'PERIOD' == $content['params']['VALUE'] ) + $type = 'period'; + } + unset( $content['params']['VALUE'] ); + _addXMLchild( $properties, $prop, $type, $content['value'], $content['params'] ); + } + break; + case 'categories': + case 'comment': + case 'contact': + case 'description': + case 'related-to': + case 'resources': + while( FALSE !== ( $content = $component->getProperty( $prop, FALSE, TRUE ))) { + if(( 'related-to' != $prop ) && !isset( $content['params']['LANGUAGE'] )) { + if( $langComp ) + $content['params']['LANGUAGE'] = $langComp; + elseif( $langCal ) + $content['params']['LANGUAGE'] = $langCal; + } + _addXMLchild( $properties, $prop, 'text', $content['value'], $content['params'] ); + } + break; + case 'x-prop': + while( FALSE !== ( $content = $component->getProperty( $prop, FALSE, TRUE ))) + _addXMLchild( $properties, $content[0], 'unknown', $content[1]['value'], $content[1]['params'] ); + break; + case 'created': // single occurence below, if set + case 'completed': + case 'dtstamp': + case 'last-modified': + $utcDate = TRUE; + case 'dtstart': + case 'dtend': + case 'due': + case 'recurrence-id': + if( FALSE !== ( $content = $component->getProperty( $prop, FALSE, TRUE ))) { + $type = ( isset( $content['params']['VALUE'] ) && ( 'DATE' == $content['params']['VALUE'] )) ? 'date' : 'date-time'; + unset( $content['params']['VALUE'] ); + if(( isset( $content['params']['TZID'] ) && empty( $content['params']['TZID'] )) || @is_null( $content['params']['TZID'] )) + unset( $content['params']['TZID'] ); + _addXMLchild( $properties, $prop, $type, $content['value'], $content['params'] ); + } + unset( $utcDate ); + break; + case 'duration': + if( FALSE !== ( $content = $component->getProperty( $prop, FALSE, TRUE ))) { + if( !isset( $content['value']['relatedStart'] ) || ( TRUE !== $content['value']['relatedStart'] )) + $content['params']['RELATED'] = 'END'; + _addXMLchild( $properties, $prop, 'duration', $content['value'], $content['params'] ); + } + break; + case 'rrule': + while( FALSE !== ( $content = $component->getProperty( $prop, FALSE, TRUE ))) + _addXMLchild( $properties, $prop, 'recur', $content['value'], $content['params'] ); + break; + case 'class': + case 'location': + case 'status': + case 'summary': + case 'transp': + case 'tzid': + case 'uid': + if( FALSE !== ( $content = $component->getProperty( $prop, FALSE, TRUE ))) { + if((( 'location' == $prop ) || ( 'summary' == $prop )) && !isset( $content['params']['LANGUAGE'] )) { + if( $langComp ) + $content['params']['LANGUAGE'] = $langComp; + elseif( $langCal ) + $content['params']['LANGUAGE'] = $langCal; + } + _addXMLchild( $properties, $prop, 'text', $content['value'], $content['params'] ); + } + break; + case 'geo': + if( FALSE !== ( $content = $component->getProperty( $prop, FALSE, TRUE ))) + _addXMLchild( $properties, $prop, 'geo', $content['value'], $content['params'] ); + break; + case 'organizer': + if( FALSE !== ( $content = $component->getProperty( $prop, FALSE, TRUE ))) { + if( isset( $content['params']['CN'] ) && !isset( $content['params']['LANGUAGE'] )) { + if( $langComp ) + $content['params']['LANGUAGE'] = $langComp; + elseif( $langCal ) + $content['params']['LANGUAGE'] = $langCal; + } + _addXMLchild( $properties, $prop, 'cal-address', $content['value'], $content['params'] ); + } + break; + case 'percent-complete': + case 'priority': + case 'sequence': + if( FALSE !== ( $content = $component->getProperty( $prop, FALSE, TRUE ))) + _addXMLchild( $properties, $prop, 'integer', $content['value'], $content['params'] ); + break; + case 'tzurl': + case 'url': + if( FALSE !== ( $content = $component->getProperty( $prop, FALSE, TRUE ))) + _addXMLchild( $properties, $prop, 'uri', $content['value'], $content['params'] ); + break; + } // end switch( $prop ) + } // end foreach( $props as $prop ) + /** fix subComponent properties, if any */ + foreach( $subComps as $subCompName ) { + while( FALSE !== ( $subcomp = $component->getComponent( $subCompName ))) { + $child2 = $child->addChild( $subCompName ); + $properties = $child2->addChild( 'properties' ); + $langComp = $subcomp->getConfig( 'language' ); + $subCompProps = $subcomp->getConfig( 'setPropertyNames' ); + foreach( $subCompProps as $prop ) { + switch( strtolower( $prop )) { + case 'attach': // may occur multiple times, below + while( FALSE !== ( $content = $subcomp->getProperty( $prop, FALSE, TRUE ))) { + $type = ( isset( $content['params']['VALUE'] ) && ( 'BINARY' == $content['params']['VALUE'] )) ? 'binary' : 'uri'; + unset( $content['params']['VALUE'] ); + _addXMLchild( $properties, $prop, $type, $content['value'], $content['params'] ); + } + break; + case 'attendee': + while( FALSE !== ( $content = $subcomp->getProperty( $prop, FALSE, TRUE ))) { + if( isset( $content['params']['CN'] ) && !isset( $content['params']['LANGUAGE'] )) { + if( $langComp ) + $content['params']['LANGUAGE'] = $langComp; + elseif( $langCal ) + $content['params']['LANGUAGE'] = $langCal; + } + _addXMLchild( $properties, $prop, 'cal-address', $content['value'], $content['params'] ); + } + break; + case 'comment': + case 'tzname': + while( FALSE !== ( $content = $subcomp->getProperty( $prop, FALSE, TRUE ))) { + if( !isset( $content['params']['LANGUAGE'] )) { + if( $langComp ) + $content['params']['LANGUAGE'] = $langComp; + elseif( $langCal ) + $content['params']['LANGUAGE'] = $langCal; + } + _addXMLchild( $properties, $prop, 'text', $content['value'], $content['params'] ); + } + break; + case 'rdate': + while( FALSE !== ( $content = $subcomp->getProperty( $prop, FALSE, TRUE ))) { + $type = 'date-time'; + if( isset( $content['params']['VALUE'] )) { + if( 'DATE' == $content['params']['VALUE'] ) + $type = 'date'; + elseif( 'PERIOD' == $content['params']['VALUE'] ) + $type = 'period'; + } + unset( $content['params']['VALUE'] ); + _addXMLchild( $properties, $prop, $type, $content['value'], $content['params'] ); + } + break; + case 'x-prop': + while( FALSE !== ( $content = $subcomp->getProperty( $prop, FALSE, TRUE ))) + _addXMLchild( $properties, $content[0], 'unknown', $content[1]['value'], $content[1]['params'] ); + break; + case 'action': // single occurence below, if set + case 'description': + case 'summary': + if( FALSE !== ( $content = $subcomp->getProperty( $prop, FALSE, TRUE ))) { + if(( 'action' != $prop ) && !isset( $content['params']['LANGUAGE'] )) { + if( $langComp ) + $content['params']['LANGUAGE'] = $langComp; + elseif( $langCal ) + $content['params']['LANGUAGE'] = $langCal; + } + _addXMLchild( $properties, $prop, 'text', $content['value'], $content['params'] ); + } + break; + case 'dtstart': + if( FALSE !== ( $content = $subcomp->getProperty( $prop, FALSE, TRUE ))) { + unset( $content['value']['tz'], $content['params']['VALUE'] ); // always local time + _addXMLchild( $properties, $prop, 'date-time', $content['value'], $content['params'] ); + } + break; + case 'duration': + if( FALSE !== ( $content = $subcomp->getProperty( $prop, FALSE, TRUE ))) + _addXMLchild( $properties, $prop, 'duration', $content['value'], $content['params'] ); + break; + case 'repeat': + if( FALSE !== ( $content = $subcomp->getProperty( $prop, FALSE, TRUE ))) + _addXMLchild( $properties, $prop, 'integer', $content['value'], $content['params'] ); + break; + case 'trigger': + if( FALSE !== ( $content = $subcomp->getProperty( $prop, FALSE, TRUE ))) { + if( isset( $content['value']['year'] ) && + isset( $content['value']['month'] ) && + isset( $content['value']['day'] )) + $type = 'date-time'; + else { + $type = 'duration'; + if( !isset( $content['value']['relatedStart'] ) || ( TRUE !== $content['value']['relatedStart'] )) + $content['params']['RELATED'] = 'END'; + } + _addXMLchild( $properties, $prop, $type, $content['value'], $content['params'] ); + } + break; + case 'tzoffsetto': + case 'tzoffsetfrom': + if( FALSE !== ( $content = $subcomp->getProperty( $prop, FALSE, TRUE ))) + _addXMLchild( $properties, $prop, 'utc-offset', $content['value'], $content['params'] ); + break; + case 'rrule': + while( FALSE !== ( $content = $subcomp->getProperty( $prop, FALSE, TRUE ))) + _addXMLchild( $properties, $prop, 'recur', $content['value'], $content['params'] ); + break; + } // switch( $prop ) + } // end foreach( $subCompProps as $prop ) + } // end while( FALSE !== ( $subcomp = $component->getComponent( subCompName ))) + } // end foreach( $subCombs as $subCompName ) + } // end while( FALSE !== ( $component = $calendar->getComponent( $compName ))) + } // end foreach( $comps as $compName) + return $xml->asXML(); +} +/** + * Add children to a SimpleXMLelement + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.15.5 - 2012-10-19 + * @param object $parent, reference to a SimpleXMLelement node + * @param string $name, new element node name + * @param string $type, content type, subelement(-s) name + * @param string $content, new subelement content + * @param array $params, new element 'attributes' + * @return void + */ +function _addXMLchild( & $parent, $name, $type, $content, $params=array()) { + /** create new child node */ + $name = strtolower( $name ); + $child = $parent->addChild( $name ); + if( isset( $params['VALUE'] )) + unset( $params['VALUE'] ); + if( !empty( $params )) { + $parameters = $child->addChild( 'parameters' ); + foreach( $params as $param => $parVal ) { + $param = strtolower( $param ); + if( 'x-' == substr( $param, 0, 2 )) { + $p1 = $parameters->addChild( $param ); + $p2 = $p1->addChild( 'unknown', htmlspecialchars( $parVal )); + } + else { + $p1 = $parameters->addChild( $param ); + switch( $param ) { + case 'altrep': + case 'dir': $ptype = 'uri'; break; + case 'delegated-from': + case 'delegated-to': + case 'member': + case 'sent-by': $ptype = 'cal-address'; break; + case 'rsvp': $ptype = 'boolean'; break ; + default: $ptype = 'text'; break; + } + if( is_array( $parVal )) { + foreach( $parVal as $pV ) + $p2 = $p1->addChild( $ptype, htmlspecialchars( $pV )); + } + else + $p2 = $p1->addChild( $ptype, htmlspecialchars( $parVal )); + } + } + } + if( empty( $content ) && ( '0' != $content )) + return; + /** store content */ + switch( $type ) { + case 'binary': + $v = $child->addChild( $type, $content ); + break; + case 'boolean': + break; + case 'cal-address': + $v = $child->addChild( $type, $content ); + break; + case 'date': + if( array_key_exists( 'year', $content )) + $content = array( $content ); + foreach( $content as $date ) { + $str = sprintf( '%04d-%02d-%02d', $date['year'], $date['month'], $date['day'] ); + $v = $child->addChild( $type, $str ); + } + break; + case 'date-time': + if( array_key_exists( 'year', $content )) + $content = array( $content ); + foreach( $content as $dt ) { + if( !isset( $dt['hour'] )) $dt['hour'] = 0; + if( !isset( $dt['min'] )) $dt['min'] = 0; + if( !isset( $dt['sec'] )) $dt['sec'] = 0; + $str = sprintf( '%04d-%02d-%02dT%02d:%02d:%02d', $dt['year'], $dt['month'], $dt['day'], $dt['hour'], $dt['min'], $dt['sec'] ); + if( isset( $dt['tz'] ) && ( 'Z' == $dt['tz'] )) + $str .= 'Z'; + $v = $child->addChild( $type, $str ); + } + break; + case 'duration': + $output = (( 'trigger' == $name ) && ( FALSE !== $content['before'] )) ? '-' : ''; + $v = $child->addChild( $type, $output.iCalUtilityFunctions::_duration2str( $content ) ); + break; + case 'geo': + $v1 = $child->addChild( 'latitude', number_format( (float) $content['latitude'], 6, '.', '' )); + $v1 = $child->addChild( 'longitude', number_format( (float) $content['longitude'], 6, '.', '' )); + break; + case 'integer': + $v = $child->addChild( $type, $content ); + break; + case 'period': + if( !is_array( $content )) + break; + foreach( $content as $period ) { + $v1 = $child->addChild( $type ); + $str = sprintf( '%04d-%02d-%02dT%02d:%02d:%02d', $period[0]['year'], $period[0]['month'], $period[0]['day'], $period[0]['hour'], $period[0]['min'], $period[0]['sec'] ); + if( isset( $period[0]['tz'] ) && ( 'Z' == $period[0]['tz'] )) + $str .= 'Z'; + $v2 = $v1->addChild( 'start', $str ); + if( array_key_exists( 'year', $period[1] )) { + $str = sprintf( '%04d-%02d-%02dT%02d:%02d:%02d', $period[1]['year'], $period[1]['month'], $period[1]['day'], $period[1]['hour'], $period[1]['min'], $period[1]['sec'] ); + if( isset($period[1]['tz'] ) && ( 'Z' == $period[1]['tz'] )) + $str .= 'Z'; + $v2 = $v1->addChild( 'end', $str ); + } + else + $v2 = $v1->addChild( 'duration', iCalUtilityFunctions::_duration2str( $period[1] )); + } + break; + case 'recur': + foreach( $content as $rulelabel => $rulevalue ) { + $rulelabel = strtolower( $rulelabel ); + switch( $rulelabel ) { + case 'until': + if( isset( $rulevalue['hour'] )) + $str = sprintf( '%04d-%02d-%02dT%02d:%02d:%02dZ', $rulevalue['year'], $rulevalue['month'], $rulevalue['day'], $rulevalue['hour'], $rulevalue['min'], $rulevalue['sec'] ); + else + $str = sprintf( '%04d-%02d-%02d', $rulevalue['year'], $rulevalue['month'], $rulevalue['day'] ); + $v = $child->addChild( $rulelabel, $str ); + break; + case 'bysecond': + case 'byminute': + case 'byhour': + case 'bymonthday': + case 'byyearday': + case 'byweekno': + case 'bymonth': + case 'bysetpos': { + if( is_array( $rulevalue )) { + foreach( $rulevalue as $vix => $valuePart ) + $v = $child->addChild( $rulelabel, $valuePart ); + } + else + $v = $child->addChild( $rulelabel, $rulevalue ); + break; + } + case 'byday': { + if( isset( $rulevalue['DAY'] )) { + $str = ( isset( $rulevalue[0] )) ? $rulevalue[0] : ''; + $str .= $rulevalue['DAY']; + $p = $child->addChild( $rulelabel, $str ); + } + else { + foreach( $rulevalue as $valuePart ) { + if( isset( $valuePart['DAY'] )) { + $str = ( isset( $valuePart[0] )) ? $valuePart[0] : ''; + $str .= $valuePart['DAY']; + $p = $child->addChild( $rulelabel, $str ); + } + else + $p = $child->addChild( $rulelabel, $valuePart ); + } + } + break; + } + case 'freq': + case 'count': + case 'interval': + case 'wkst': + default: + $p = $child->addChild( $rulelabel, $rulevalue ); + break; + } // end switch( $rulelabel ) + } // end foreach( $content as $rulelabel => $rulevalue ) + break; + case 'rstatus': + $v = $child->addChild( 'code', number_format( (float) $content['statcode'], 2, '.', '')); + $v = $child->addChild( 'description', htmlspecialchars( $content['text'] )); + if( isset( $content['extdata'] )) + $v = $child->addChild( 'data', htmlspecialchars( $content['extdata'] )); + break; + case 'text': + if( !is_array( $content )) + $content = array( $content ); + foreach( $content as $part ) + $v = $child->addChild( $type, htmlspecialchars( $part )); + break; + case 'time': + break; + case 'uri': + $v = $child->addChild( $type, $content ); + break; + case 'utc-offset': + if( in_array( substr( $content, 0, 1 ), array( '-', '+' ))) { + $str = substr( $content, 0, 1 ); + $content = substr( $content, 1 ); + } + else + $str = '+'; + $str .= substr( $content, 0, 2 ).':'.substr( $content, 2, 2 ); + if( 4 < strlen( $content )) + $str .= ':'.substr( $content, 4 ); + $v = $child->addChild( $type, $str ); + break; + case 'unknown': + default: + if( is_array( $content )) + $content = implode( '', $content ); + $v = $child->addChild( 'unknown', htmlspecialchars( $content )); + break; + } +} +/** + * parse xml string into iCalcreator instance + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.11.2 - 2012-01-31 + * @param string $xmlstr + * @param array $iCalcfg iCalcreator config array (opt) + * @return mixed iCalcreator instance or FALSE on error + */ +function & XMLstr2iCal( $xmlstr, $iCalcfg=array()) { + libxml_use_internal_errors( TRUE ); + $xml = simplexml_load_string( $xmlstr ); + if( !$xml ) { + $str = ''; + $return = FALSE; + foreach( libxml_get_errors() as $error ) { + switch ( $error->level ) { + case LIBXML_ERR_FATAL: $str .= ' FATAL '; break; + case LIBXML_ERR_ERROR: $str .= ' ERROR '; break; + case LIBXML_ERR_WARNING: + default: $str .= ' WARNING '; break; + } + $str .= PHP_EOL.'Error when loading XML'; + if( !empty( $error->file )) + $str .= ', file:'.$error->file.', '; + $str .= ', line:'.$error->line; + $str .= ', ('.$error->code.') '.$error->message; + } + error_log( $str ); + if( LIBXML_ERR_WARNING != $error->level ) + return $return; + libxml_clear_errors(); + } + return xml2iCal( $xml, $iCalcfg ); +} +/** + * parse xml file into iCalcreator instance + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.11.2 - 2012-01-20 + * @param string $xmlfile + * @param array$iCalcfg iCalcreator config array (opt) + * @return mixediCalcreator instance or FALSE on error + */ +function & XMLfile2iCal( $xmlfile, $iCalcfg=array()) { + libxml_use_internal_errors( TRUE ); + $xml = simplexml_load_file( $xmlfile ); + if( !$xml ) { + $str = ''; + foreach( libxml_get_errors() as $error ) { + switch ( $error->level ) { + case LIBXML_ERR_FATAL: $str .= 'FATAL '; break; + case LIBXML_ERR_ERROR: $str .= 'ERROR '; break; + case LIBXML_ERR_WARNING: + default: $str .= 'WARNING '; break; + } + $str .= 'Failed loading XML'.PHP_EOL; + if( !empty( $error->file )) + $str .= ' file:'.$error->file.', '; + $str .= 'line:'.$error->line.PHP_EOL; + $str .= '('.$error->code.') '.$error->message.PHP_EOL; + } + error_log( $str ); + if( LIBXML_ERR_WARNING != $error->level ) + return FALSE; + libxml_clear_errors(); + } + return xml2iCal( $xml, $iCalcfg ); +} +/** + * parse SimpleXMLElement instance into iCalcreator instance + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.11.2 - 2012-01-27 + * @param object $xmlobj SimpleXMLElement + * @param array $iCalcfg iCalcreator config array (opt) + * @return mixed iCalcreator instance or FALSE on error + */ +function & XML2iCal( $xmlobj, $iCalcfg=array()) { + $iCal = new vcalendar( $iCalcfg ); + foreach( $xmlobj->children() as $icalendar ) { // vcalendar + foreach( $icalendar->children() as $calPart ) { // calendar properties and components + if( 'components' == $calPart->getName()) { + foreach( $calPart->children() as $component ) { // single components + if( 0 < $component->count()) + _getXMLComponents( $iCal, $component ); + } + } + elseif(( 'properties' == $calPart->getName()) && ( 0 < $calPart->count())) { + foreach( $calPart->children() as $calProp ) { // calendar properties + $propName = $calProp->getName(); + if(( 'calscale' != $propName ) && ( 'method' != $propName ) && ( 'x-' != substr( $propName,0,2 ))) + continue; + $params = array(); + foreach( $calProp->children() as $calPropElem ) { // single calendar property + if( 'parameters' == $calPropElem->getName()) + $params = _getXMLParams( $calPropElem ); + else + $iCal->setProperty( $propName, reset( $calPropElem ), $params ); + } // end foreach( $calProp->children() as $calPropElem ) + } // end foreach( $calPart->properties->children() as $calProp ) + } // end if( 0 < $calPart->properties->count()) + } // end foreach( $icalendar->children() as $calPart ) + } // end foreach( $xmlobj->children() as $icalendar ) + return $iCal; +} +/** + * parse SimpleXMLElement instance property parameters and return iCalcreator property parameter array + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.11.2 - 2012-01-15 + * @param object $parameters SimpleXMLElement + * @return array iCalcreator property parameter array + */ +function _getXMLParams( & $parameters ) { + if( 1 > $parameters->count()) + return array(); + $params = array(); + foreach( $parameters->children() as $parameter ) { // single parameter key + $key = strtoupper( $parameter->getName()); + $value = array(); + foreach( $parameter->children() as $paramValue ) // skip parameter value type + $value[] = reset( $paramValue ); + if( 2 > count( $value )) + $params[$key] = html_entity_decode( reset( $value )); + else + $params[$key] = $value; + } + return $params; +} +/** + * parse SimpleXMLElement instance components, create iCalcreator component and update + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.11.2 - 2012-01-15 + * @param array $iCal iCalcreator calendar instance + * @param object $component SimpleXMLElement + * @return void + */ +function _getXMLComponents( & $iCal, & $component ) { + $compName = $component->getName(); + $comp = & $iCal->newComponent( $compName ); + $subComponents = array( 'valarm', 'standard', 'daylight' ); + foreach( $component->children() as $compPart ) { // properties and (opt) subComponents + if( 1 > $compPart->count()) + continue; + if( in_array( $compPart->getName(), $subComponents )) + _getXMLComponents( $comp, $compPart ); + elseif( 'properties' == $compPart->getName()) { + foreach( $compPart->children() as $property ) // properties as single property + _getXMLProperties( $comp, $property ); + } + } // end foreach( $component->children() as $compPart ) +} +/** + * parse SimpleXMLElement instance property, create iCalcreator component property + * + * @author Kjell-Inge Gustafsson, kigkonsult + * @since 2.11.2 - 2012-01-27 + * @param array $iCal iCalcreator calendar instance + * @param object $component SimpleXMLElement + * @return void + */ +function _getXMLProperties( & $iCal, & $property ) { + $propName = $property->getName(); + $value = $params = array(); + $valueType = ''; + foreach( $property->children() as $propPart ) { // calendar property parameters (opt) and value(-s) + $valueType = $propPart->getName(); + if( 'parameters' == $valueType) { + $params = _getXMLParams( $propPart ); + continue; + } + switch( $valueType ) { + case 'binary': + $value = reset( $propPart ); + break; + case 'boolean': + break; + case 'cal-address': + $value = reset( $propPart ); + break; + case 'date': + $params['VALUE'] = 'DATE'; + case 'date-time': + if(( 'exdate' == $propName ) || ( 'rdate' == $propName )) + $value[] = reset( $propPart ); + else + $value = reset( $propPart ); + break; + case 'duration': + $value = reset( $propPart ); + break; +// case 'geo': + case 'latitude': + case 'longitude': + $value[$valueType] = reset( $propPart ); + break; + case 'integer': + $value = reset( $propPart ); + break; + case 'period': + if( 'rdate' == $propName ) + $params['VALUE'] = 'PERIOD'; + $pData = array(); + foreach( $propPart->children() as $periodPart ) + $pData[] = reset( $periodPart ); + if( !empty( $pData )) + $value[] = $pData; + break; +// case 'rrule': + case 'freq': + case 'count': + case 'until': + case 'interval': + case 'wkst': + $value[$valueType] = reset( $propPart ); + break; + case 'bysecond': + case 'byminute': + case 'byhour': + case 'bymonthday': + case 'byyearday': + case 'byweekno': + case 'bymonth': + case 'bysetpos': + $value[$valueType][] = reset( $propPart ); + break; + case 'byday': + $byday = reset( $propPart ); + if( 2 == strlen( $byday )) + $value[$valueType][] = array( 'DAY' => $byday ); + else { + $day = substr( $byday, -2 ); + $key = substr( $byday, 0, ( strlen( $byday ) - 2 )); + $value[$valueType][] = array( $key, 'DAY' => $day ); + } + break; +// case 'rstatus': + case 'code': + $value[0] = reset( $propPart ); + break; + case 'description': + $value[1] = reset( $propPart ); + break; + case 'data': + $value[2] = reset( $propPart ); + break; + case 'text': + $text = str_replace( array( "\r\n", "\n\r", "\r", "\n"), '\n', reset( $propPart )); + $value['text'][] = html_entity_decode( $text ); + break; + case 'time': + break; + case 'uri': + $value = reset( $propPart ); + break; + case 'utc-offset': + $value = str_replace( ':', '', reset( $propPart )); + break; + case 'unknown': + default: + $value = html_entity_decode( reset( $propPart )); + break; + } // end switch( $valueType ) + } // end foreach( $property->children() as $propPart ) + if( 'freebusy' == $propName ) { + $fbtype = $params['FBTYPE']; + unset( $params['FBTYPE'] ); + $iCal->setProperty( $propName, $fbtype, $value, $params ); + } + elseif( 'geo' == $propName ) + $iCal->setProperty( $propName, $value['latitude'], $value['longitude'], $params ); + elseif( 'request-status' == $propName ) { + if( !isset( $value[2] )) + $value[2] = FALSE; + $iCal->setProperty( $propName, $value[0], $value[1], $value[2], $params ); + } + else { + if( isset( $value['text'] ) && is_array( $value['text'] )) { + if(( 'categories' == $propName ) || ( 'resources' == $propName )) + $value = $value['text']; + else + $value = reset( $value['text'] ); + } + $iCal->setProperty( $propName, $value, $params ); + } +} +/*********************************************************************************/ +/* Additional functions to use with vtimezone components */ +/*********************************************************************************/ +/** + * For use with + * iCalcreator (kigkonsult.se/iCalcreator/index.php) + * copyright (c) 2011 Yitzchok Lavi + * icalcreator@onebigsystem.com + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +/** + * Additional functions to use with vtimezone components + * + * Before calling the functions, set time zone 'GMT' ('date_default_timezone_set')! + * + * @author Yitzchok Lavi + * adjusted for iCalcreator Kjell-Inge Gustafsson, kigkonsult + * @version 1.0.2 - 2011-02-24 + * + */ +/** + * Returns array with the offset information from UTC for a (UTC) datetime/timestamp in the + * timezone, according to the VTIMEZONE information in the input array. + * + * $param array $timezonesarray, output from function getTimezonesAsDateArrays (below) + * $param string $tzid, time zone identifier + * $param mixed $timestamp, timestamp or a UTC datetime (in array format) + * @return array, time zone data with keys for 'offsetHis', 'offsetSec' and 'tzname' + * + */ +function getTzOffsetForDate($timezonesarray, $tzid, $timestamp) { + if( is_array( $timestamp )) { +//$disp = sprintf( '%04d%02d%02d %02d%02d%02d', $timestamp['year'], $timestamp['month'], $timestamp['day'], $timestamp['hour'], $timestamp['min'], $timestamp['sec'] ); // test ### + $timestamp = gmmktime( + $timestamp['hour'], + $timestamp['min'], + $timestamp['sec'], + $timestamp['month'], + $timestamp['day'], + $timestamp['year'] + ) ; +//echo ' '."\n".' '.$timestamp.''.$disp.' '."\n".' '; // test ### + } + $tzoffset = array(); + // something to return if all goes wrong (such as if $tzid doesn't find us an array of dates) + $tzoffset['offsetHis'] = '+0000'; + $tzoffset['offsetSec'] = 0; + $tzoffset['tzname'] = '?'; + if( !isset( $timezonesarray[$tzid] )) + return $tzoffset; + $tzdatearray = $timezonesarray[$tzid]; + if ( is_array($tzdatearray) ) { + sort($tzdatearray); // just in case + if ( $timestamp < $tzdatearray[0]['timestamp'] ) { + // our date is before the first change + $tzoffset['offsetHis'] = $tzdatearray[0]['tzbefore']['offsetHis'] ; + $tzoffset['offsetSec'] = $tzdatearray[0]['tzbefore']['offsetSec'] ; + $tzoffset['tzname'] = $tzdatearray[0]['tzbefore']['offsetHis'] ; // we don't know the tzname in this case + } elseif ( $timestamp >= $tzdatearray[count($tzdatearray)-1]['timestamp'] ) { + // our date is after the last change (we do this so our scan can stop at the last record but one) + $tzoffset['offsetHis'] = $tzdatearray[count($tzdatearray)-1]['tzafter']['offsetHis'] ; + $tzoffset['offsetSec'] = $tzdatearray[count($tzdatearray)-1]['tzafter']['offsetSec'] ; + $tzoffset['tzname'] = $tzdatearray[count($tzdatearray)-1]['tzafter']['tzname'] ; + } else { + // our date somewhere in between + // loop through the list of dates and stop at the one where the timestamp is before our date and the next one is after it + // we don't include the last date in our loop as there isn't one after it to check + for ( $i = 0 ; $i <= count($tzdatearray)-2 ; $i++ ) { + if(( $timestamp >= $tzdatearray[$i]['timestamp'] ) && ( $timestamp < $tzdatearray[$i+1]['timestamp'] )) { + $tzoffset['offsetHis'] = $tzdatearray[$i]['tzafter']['offsetHis'] ; + $tzoffset['offsetSec'] = $tzdatearray[$i]['tzafter']['offsetSec'] ; + $tzoffset['tzname'] = $tzdatearray[$i]['tzafter']['tzname'] ; + break; + } + } + } + } + return $tzoffset; +} +/** + * Returns an array containing all the timezone data in the vcalendar object + * + * @param object $vcalendar, iCalcreator calendar instance + * @return array, time zone transition timestamp, array before(offsetHis, offsetSec), array after(offsetHis, offsetSec, tzname) + * based on the timezone data in the vcalendar object + * + */ +function getTimezonesAsDateArrays($vcalendar) { + $timezonedata = array(); + while( $vtz = $vcalendar->getComponent( 'vtimezone' )) { + $tzid = $vtz->getProperty('tzid'); + $alltzdates = array(); + while ( $vtzc = $vtz->getComponent( 'standard' )) { + $newtzdates = expandTimezoneDates($vtzc); + $alltzdates = array_merge($alltzdates, $newtzdates); + } + while ( $vtzc = $vtz->getComponent( 'daylight' )) { + $newtzdates = expandTimezoneDates($vtzc); + $alltzdates = array_merge($alltzdates, $newtzdates); + } + sort($alltzdates); + $timezonedata[$tzid] = $alltzdates; + } + return $timezonedata; +} +/** + * Returns an array containing time zone data from vtimezone standard/daylight instances + * + * @param object $vtzc, an iCalcreator calendar standard/daylight instance + * @return array, time zone data; array before(offsetHis, offsetSec), array after(offsetHis, offsetSec, tzname) + * + */ +function expandTimezoneDates($vtzc) { + $tzdates = array(); + // prepare time zone "description" to attach to each change + $tzbefore = array(); + $tzbefore['offsetHis'] = $vtzc->getProperty('tzoffsetfrom') ; + $tzbefore['offsetSec'] = iCalUtilityFunctions::_tz2offset($tzbefore['offsetHis']); + if(( '-' != substr( (string) $tzbefore['offsetSec'], 0, 1 )) && ( '+' != substr( (string) $tzbefore['offsetSec'], 0, 1 ))) + $tzbefore['offsetSec'] = '+'.$tzbefore['offsetSec']; + $tzafter = array(); + $tzafter['offsetHis'] = $vtzc->getProperty('tzoffsetto') ; + $tzafter['offsetSec'] = iCalUtilityFunctions::_tz2offset($tzafter['offsetHis']); + if(( '-' != substr( (string) $tzafter['offsetSec'], 0, 1 )) && ( '+' != substr( (string) $tzafter['offsetSec'], 0, 1 ))) + $tzafter['offsetSec'] = '+'.$tzafter['offsetSec']; + if( FALSE === ( $tzafter['tzname'] = $vtzc->getProperty('tzname'))) + $tzafter['tzname'] = $tzafter['offsetHis']; + // find out where to start from + $dtstart = $vtzc->getProperty('dtstart'); + $dtstarttimestamp = mktime( + $dtstart['hour'], + $dtstart['min'], + $dtstart['sec'], + $dtstart['month'], + $dtstart['day'], + $dtstart['year'] + ) ; + if( !isset( $dtstart['unparsedtext'] )) // ?? + $dtstart['unparsedtext'] = sprintf( '%04d%02d%02dT%02d%02d%02d', $dtstart['year'], $dtstart['month'], $dtstart['day'], $dtstart['hour'], $dtstart['min'], $dtstart['sec'] ); + if ( $dtstarttimestamp == 0 ) { + // it seems that the dtstart string may not have parsed correctly + // let's set a timestamp starting from 1902, using the time part of the original string + // so that the time will change at the right time of day + // at worst we'll get midnight again + $origdtstartsplit = explode('T',$dtstart['unparsedtext']) ; + $dtstarttimestamp = strtotime("19020101",0); + $dtstarttimestamp = strtotime($origdtstartsplit[1],$dtstarttimestamp); + } + // the date (in dtstart and opt RDATE/RRULE) is ALWAYS LOCAL (not utc!!), adjust from 'utc' to 'local' timestamp + $diff = -1 * $tzbefore['offsetSec']; + $dtstarttimestamp += $diff; + // add this (start) change to the array of changes + $tzdates[] = array( + 'timestamp' => $dtstarttimestamp, + 'tzbefore' => $tzbefore, + 'tzafter' => $tzafter + ); + $datearray = getdate($dtstarttimestamp); + // save original array to use time parts, because strtotime (used below) apparently loses the time + $changetime = $datearray ; + // generate dates according to an RRULE line + $rrule = $vtzc->getProperty('rrule') ; + if ( is_array($rrule) ) { + if ( $rrule['FREQ'] == 'YEARLY' ) { + // calculate transition dates starting from DTSTART + $offsetchangetimestamp = $dtstarttimestamp; + // calculate transition dates until 10 years in the future + $stoptimestamp = strtotime("+10 year",time()); + // if UNTIL is set, calculate until then (however far ahead) + if ( isset( $rrule['UNTIL'] ) && ( $rrule['UNTIL'] != '' )) { + $stoptimestamp = mktime( + $rrule['UNTIL']['hour'], + $rrule['UNTIL']['min'], + $rrule['UNTIL']['sec'], + $rrule['UNTIL']['month'], + $rrule['UNTIL']['day'], + $rrule['UNTIL']['year'] + ) ; + } + $count = 0 ; + $stopcount = isset( $rrule['COUNT'] ) ? $rrule['COUNT'] : 0 ; + $daynames = array( + 'SU' => 'Sunday', + 'MO' => 'Monday', + 'TU' => 'Tuesday', + 'WE' => 'Wednesday', + 'TH' => 'Thursday', + 'FR' => 'Friday', + 'SA' => 'Saturday' + ); + // repeat so long as we're between DTSTART and UNTIL, or we haven't prepared COUNT dates + while ( $offsetchangetimestamp < $stoptimestamp && ( $stopcount == 0 || $count < $stopcount ) ) { + // break up the timestamp into its parts + $datearray = getdate($offsetchangetimestamp); + if ( isset( $rrule['BYMONTH'] ) && ( $rrule['BYMONTH'] != 0 )) { + // set the month + $datearray['mon'] = $rrule['BYMONTH'] ; + } + if ( isset( $rrule['BYMONTHDAY'] ) && ( $rrule['BYMONTHDAY'] != 0 )) { + // set specific day of month + $datearray['mday'] = $rrule['BYMONTHDAY']; + } elseif ( is_array($rrule['BYDAY']) ) { + // find the Xth WKDAY in the month + // the starting point for this process is the first of the month set above + $datearray['mday'] = 1 ; + // turn $datearray as it is now back into a timestamp + $offsetchangetimestamp = mktime( + $datearray['hours'], + $datearray['minutes'], + $datearray['seconds'], + $datearray['mon'], + $datearray['mday'], + $datearray['year'] + ); + if ($rrule['BYDAY'][0] > 0) { + // to find Xth WKDAY in month, we find last WKDAY in month before + // we do that by finding first WKDAY in this month and going back one week + // then we add X weeks (below) + $offsetchangetimestamp = strtotime($daynames[$rrule['BYDAY']['DAY']],$offsetchangetimestamp); + $offsetchangetimestamp = strtotime("-1 week",$offsetchangetimestamp); + } else { + // to find Xth WKDAY before the end of the month, we find the first WKDAY in the following month + // we do that by going forward one month and going to WKDAY there + // then we subtract X weeks (below) + $offsetchangetimestamp = strtotime("+1 month",$offsetchangetimestamp); + $offsetchangetimestamp = strtotime($daynames[$rrule['BYDAY']['DAY']],$offsetchangetimestamp); + } + // now move forward or back the appropriate number of weeks, into the month we want + $offsetchangetimestamp = strtotime($rrule['BYDAY'][0] . " week",$offsetchangetimestamp); + $datearray = getdate($offsetchangetimestamp); + } + // convert the date parts back into a timestamp, setting the time parts according to the + // original time data which we stored + $offsetchangetimestamp = mktime( + $changetime['hours'], + $changetime['minutes'], + $changetime['seconds'] + $diff, + $datearray['mon'], + $datearray['mday'], + $datearray['year'] + ); + // add this change to the array of changes + $tzdates[] = array( + 'timestamp' => $offsetchangetimestamp, + 'tzbefore' => $tzbefore, + 'tzafter' => $tzafter + ); + // update counters (timestamp and count) + $offsetchangetimestamp = strtotime("+" . (( isset( $rrule['INTERVAL'] ) && ( $rrule['INTERVAL'] != 0 )) ? $rrule['INTERVAL'] : 1 ) . " year",$offsetchangetimestamp); + $count += 1 ; + } + } + } + // generate dates according to RDATE lines + while ($rdates = $vtzc->getProperty('rdate')) { + if ( is_array($rdates) ) { + + foreach ( $rdates as $rdate ) { + // convert the explicit change date to a timestamp + $offsetchangetimestamp = mktime( + $rdate['hour'], + $rdate['min'], + $rdate['sec'] + $diff, + $rdate['month'], + $rdate['day'], + $rdate['year'] + ) ; + // add this change to the array of changes + $tzdates[] = array( + 'timestamp' => $offsetchangetimestamp, + 'tzbefore' => $tzbefore, + 'tzafter' => $tzafter + ); + } + } + } + return $tzdates; +} +?> diff --git a/php/ical/class.icalparser.php b/php/ical/class.icalparser.php index 9437c87..fa08fd3 100644 --- a/php/ical/class.icalparser.php +++ b/php/ical/class.icalparser.php @@ -61,6 +61,7 @@ class ICal { foreach ($lines as $line) { $line = trim($line); $add = $this->keyValueFromString($line); + error_log("line: " . $line); if ($add === false) { $this->addCalendarComponentWithKeyAndValue($type, false, $line); continue; @@ -121,47 +122,48 @@ class ICal { $keyword = $this->last_keyword; switch ($component) { - case 'VEVENT': - if (stristr($keyword, "DTSTART") or stristr($keyword, "DTEND")) { - $ts = $this->iCalDateToUnixTimestamp($value); - $value = $ts * 1000; - } - $value = str_replace("\\n", "\n", $value); - $value = $this->cal[$component][$this->event_count - 1] - [$keyword].$value; - break; - case 'VTODO' : - $value = $this->cal[$component][$this->todo_count - 1] - [$keyword].$value; - break; + case 'VEVENT': + if (stristr($keyword, "DTSTART") or stristr($keyword, "DTEND")) { + $ts = $this->iCalDateToUnixTimestamp($value); + $value = $ts * 1000; + } + $value = str_replace("\\n", "\n", $value); + $value = $this->cal[$component][$this->event_count - 1] + [$keyword].$value; + break; + case 'VTODO' : + $value = $this->cal[$component][$this->todo_count - 1] + [$keyword].$value; + break; } } - if (stristr($keyword, "DTSTART") or stristr($keyword, "DTEND")) { - $keyword = explode(";", $keyword); - $keyword = $keyword[0]; // remove additional content like VALUE=DATE - } + //always strip additional content.... + //if (stristr($keyword, "DTSTART") or stristr($keyword, "DTEND")) { + $keyword = explode(";", $keyword); + $keyword = $keyword[0]; // remove additional content like VALUE=DATE + //} if (stristr($keyword, "TIMEZONE")) { $this->default_timezone = $value; // store the calendertimezone } switch ($component) { - case "VTODO": - $this->cal[$component][$this->todo_count - 1][$keyword] = $value; - //$this->cal[$component][$this->todo_count]['Unix'] = $unixtime; - break; - case "VEVENT": - if (stristr($keyword, "DTSTART") or stristr($keyword, "DTEND")) { - $ts = $this->iCalDateToUnixTimestamp($value); - $value = $ts * 1000; - } - $value = str_replace("\\n", "\n", $value); - $this->cal[$component][$this->event_count - 1][$keyword] = $value; - break; - default: - $this->cal[$component][$keyword] = $value; - break; + case "VTODO": + $this->cal[$component][$this->todo_count - 1][$keyword] = $value; + //$this->cal[$component][$this->todo_count]['Unix'] = $unixtime; + break; + case "VEVENT": + if (stristr($keyword, "DTSTART") or stristr($keyword, "DTEND")) { + $ts = $this->iCalDateToUnixTimestamp($value); + $value = $ts * 1000; + } + $value = str_replace("\\n", "\n", $value); + $this->cal[$component][$this->event_count - 1][$keyword] = $value; + break; + default: + $this->cal[$component][$keyword] = $value; + break; } $this->last_keyword = $keyword; } @@ -174,10 +176,13 @@ class ICal { * @return {array} array("VCALENDAR", "Begin") */ public function keyValueFromString($text) { - preg_match("/(^[^a-z:]+)[:]([\w\W]*)/", $text, $matches); + preg_match("/(^[^a-z:]+[;a-zA-Z=\/]*)[:]([\w\W]*)/", $text, $matches); + + error_log("macthes: " . count($matches). " " . $text); if (count($matches) == 0) { return false; } + $matches = array_splice($matches, 1, 2); return $matches; } diff --git a/php/module.calendarexporter.php b/php/module.calendarexporter.php index dd5e725..68c08df 100644 --- a/php/module.calendarexporter.php +++ b/php/module.calendarexporter.php @@ -28,6 +28,7 @@ */ include_once('mapi/class.recurrence.php'); +include_once('plugins/calendarimporter/php/ical/class.icalcreator.php'); class CalendarexporterModule extends Module { @@ -102,53 +103,46 @@ class CalendarexporterModule extends Module { fclose($fh); } - private function writeICSHead($fh, $calname) { - $icshead = "BEGIN:VCALENDAR\nVERSION:2.0\nPRODID:-//Zarafa Webapp//Zarafa Calendar Exporter//DE\nMETHOD:PUBLISH\nX-WR-CALNAME:" . $calname. "\nX-WR-TIMEZONE:" . date("e") . "\n"; - fwrite($fh, $icshead); - } - - private function writeICSEnd($fh) { - $icsend = "END:VCALENDAR"; - fwrite($fh, $icsend); - } - private function getIcalDate($time, $incl_time = true) { return $incl_time ? date('Ymd\THis', $time) : date('Ymd', $time); } - private function writeEvent($fh, $event) { - $head = "BEGIN:VEVENT\n"; - $end = "END:VEVENT\n"; + private function addEvent(&$vevent, $event) { $busystate = array("FREE", "TENTATIVE", "BUSY", "OOF"); + $zlabel = array("NONE", "IMPORTANT", "WORK", "PERSONAL", "HOLIDAY", "REQUIRED", "TRAVEL REQUIRED", "PREPARATION REQUIERED", "BIRTHDAY", "SPECIAL DATE", "PHONE INTERVIEW"); - $fields = array( - "UID" => $this->randomstring(10) . "-" . $this->randomstring(5) . "-ics@zarafa-export-plugin", // generate uid - "DTSTART" => $this->getIcalDate($event["commonstart"]) . "Z", // this times are utc! - "DTEND" => $this->getIcalDate($event["commonend"]) . "Z", - "DTSTAMP" => $this->getIcalDate($event["creation_time"]) . "Z", - "CREATED" => $this->getIcalDate($event["creation_time"]) . "Z", - "X-MICROSOFT-CDO-BUSYSTATUS" => $busystate[$event["busystatus"]], - "LAST-MODIFIED" => $this->getIcalDate($event["last_modification_time"]), - "DESCRIPTION" => str_replace("\n", "\\n",$event["description"]), - "LOCATION" => $event["location"], - "SUMMARY" => $event["subject"], - - // some static content... - "TRANSP" => "OPAQUE", - "SEQUENCE" => "0" - ); + $vevent->setProperty("LOCATION", $event["location"]); // property name - case independent + $vevent->setProperty("SUMMARY", $event["subject"]); + $vevent->setProperty("DESCRIPTION", str_replace("\n", "\\n",$event["description"])); + $vevent->setProperty("COMMENT", "Exported from Zarafa" ); + $vevent->setProperty("ORGANIZER", $event["sent_representing_email_address"]); + $vevent->setProperty("DTSTART", $this->getIcalDate($event["commonstart"]) . "Z"); + $vevent->setProperty("DTEND", $this->getIcalDate($event["commonend"]) . "Z"); + $vevent->setProperty("DTSTAMP", $this->getIcalDate($event["creation_time"]) . "Z"); + $vevent->setProperty("CREATED", $this->getIcalDate($event["creation_time"]) . "Z"); + $vevent->setProperty("LAST-MODIFIED", $this->getIcalDate($event["last_modification_time"]) . "Z"); + $vevent->setProperty("X-MICROSOFT-CDO-BUSYSTATUS", $busystate[$event["busystatus"]]); + $vevent->setProperty("X-ZARAFA-LABEL", $zlabel[$event["label"]]); + $vevent->setProperty("PRIORITY", $event["importance"]); + $vevent->setProperty("CLASS", $event["private"] ? "PRIVATE" : "PUBLIC"); - fwrite($fh, $head); + // ATTENDEES + if(count($event["attendees"]) > 0) { + foreach($event["attendees"] as $attendee) { + $vevent->setProperty("ATTENDEE", $attendee["props"]["smtp_address"]); + } + } - // event fields: - foreach ($fields as $key => $value) { - fwrite($fh, $key . ":" . $value . "\n"); + // REMINDERS + if($event["reminder"]) { + $valarm = & $vevent->newComponent("valarm"); // create an event alarm + $valarm->setProperty("action", "DISPLAY" ); + $valarm->setProperty("description", $vevent->getProperty("SUMMARY")); // reuse the event summary + $valarm->setProperty("trigger", $this->getIcalDate($event["reminder_time"]) . "Z"); // create alarm trigger (in UTC datetime) } - unset($fields); - fwrite($fh, $end); } private function loadEventDescription($event) { @@ -276,23 +270,68 @@ class CalendarexporterModule extends Module { return $data['item']['props']['body']; } + private function loadAttendees($event) { + $entryid = $this->getActionEntryID($event); + $store = $this->getActionStore($event); + + $basedate = null; + + $properties = $GLOBALS['properties']->getAppointmentProperties(); + $plaintext = true; + + $data = array(); + + if($store && $entryid) { + $message = $GLOBALS['operations']->openMessage($store, $entryid); + + + // add all standard properties from the series/normal message + $data['item'] = $GLOBALS['operations']->getMessageProps($store, $message, $properties, (isset($plaintext) && $plaintext)); + + } + + return $data['item']['recipients']['item']; + } + private function exportCalendar($actionType, $actionData) { $secid = $this->randomstring(); $this->createSecIDFile($secid); $tmpname = stripslashes($actionData["calendar"] . ".ics." . $this->randomstring(8)); $filename = TMP_PATH . "/" . $tmpname . "." . $secid; - // create ics file.... - $fh = fopen($filename, 'w') or die("can't open ics file"); - $this->writeICSHead($fh, $actionData["calendar"]); + $tz = date("e"); // use php timezone (maybe set up in php.ini, date.timezone) + + if($this->DEBUG) { + error_log("PHP Timezone: " . $tz); + } + + $config = array( + "language" => substr($GLOBALS["settings"]->get("zarafa/v1/main/language"),0,2), + "directory" => TMP_PATH . "/", + "filename" => $tmpname . "." . $secid, + "unique_id" => "zarafa-export-plugin", + "TZID" => $tz + ); + + $v = new vcalendar($config); + $v->setProperty("method", "PUBLISH"); // required of some calendar software + $v->setProperty("x-wr-calname", $actionData["calendar"]); // required of some calendar software + $v->setProperty("X-WR-CALDESC", "Exported Zarafa Calendar"); // required of some calendar software + $v->setProperty("X-WR-TIMEZONE", $tz); + + $xprops = array("X-LIC-LOCATION" => $tz); // required of some calendar software + iCalUtilityFunctions::createTimezone($v, $tz, $xprops); // create timezone object in calendar + foreach($actionData["data"]["item"] as $event) { $event["props"]["description"] = $this->loadEventDescription($event); - $this->writeEvent($fh, $event["props"]); + $event["props"]["attendees"] = $this->loadAttendees($event); + + $vevent = & $v->newComponent("vevent"); // create a new event object + $this->addEvent($vevent, $event["props"]); } - $this->writeICSEnd($fh); - fclose($fh); + $v->saveCalendar(); $response['status'] = true; $response['fileid'] = $tmpname; // number of entries that will be exported