428 lines
16 KiB
PHP
428 lines
16 KiB
PHP
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<?php
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/*********************************************************************************/
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/**
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*
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* iCalcreator, a PHP rfc2445/rfc5545 solution.
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*
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* @copyright Copyright (c) 2007-2015 Kjell-Inge Gustafsson, kigkonsult, All rights reserved
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* @link http://kigkonsult.se/iCalcreator/index.php
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* @license http://kigkonsult.se/downloads/dl.php?f=LGPL
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* @package iCalcreator
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* @version 2.22
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*/
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/**
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*********************************************************************************/
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/**
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* iCalcreator base class
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*
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* properties and functions shared by vcalendar and calendarComponents
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*
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* @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se>
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* @since 2.21.11 - 2015-03-31
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*/
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abstract class iCalBase {
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/**
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* @var array component property X-property value
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* @access protected
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*/
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protected $xprop;
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/** @var array container for sub-components */
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public $components;
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/** @var array $unparsed calendar/components in 'raw' text... */
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public $unparsed;
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/**
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* @var bool $allowEmpty config variable
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* @var string $language config variable
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* @var string $nl config variable
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* @var string $unique_id config variable
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* @var string $format config variable
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* @var string $dtzid config variable
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* @access protected
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*/
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protected $allowEmpty;
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protected $language;
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protected $nl;
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protected $unique_id;
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protected $format;
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protected $dtzid;
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/**
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* @var string $componentStart1 valendar/component internal variable
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* @var string $componentStart2 valendar/component internal variable
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* @var string $componentEnd1 valendar/component internal variable
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* @var string $componentEnd2 valendar/component internal variable
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* @var string $elementStart1 valendar/component internal variable
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* @var string $elementStart2 valendar/component internal variable
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* @var string $elementEnd1 valendar/component internal variable
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* @var string $elementEnd2 valendar/component internal variable
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* @var string $intAttrDelimiter valendar/component internal variable
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* @var string $attributeDelimiter valendar/component internal variable
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* @var string $valueInit valendar/component internal variable
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* @access protected
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*/
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protected $componentStart1;
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protected $componentStart2;
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protected $componentEnd1;
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protected $componentEnd2;
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protected $elementStart1;
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protected $elementStart2;
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protected $elementEnd1;
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protected $elementEnd2;
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protected $intAttrDelimiter;
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protected $attributeDelimiter;
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protected $valueInit;
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/**
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* @var array $xcaldecl xCal declaration container
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* @access protected
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*/
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protected $xcaldecl;
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/**
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* Property Name: x-prop
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*/
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/**
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* creates formatted output for calendar/component property x-prop
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*
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* @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se>
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* @since 2.21.11 - 2015-03-31
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* @uses iCalBase::$xprop
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* @uses vcalendar::getConfig()
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* @uses calendarComponent::getConfig()
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* @uses iCalBase::_createElement()
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* @uses iCalBase::_createParams()
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* @uses iCalUtilityFunctions::_strrep()
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* @uses iCalBase::$format
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* @uses iCalBase::$nl
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* @return string
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*/
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public function createXprop() {
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if( empty( $this->xprop ) || !is_array( $this->xprop )) return FALSE;
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$output = null;
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foreach( $this->xprop as $label => $xpropPart ) {
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if( ! isset( $xpropPart['value']) || ( empty( $xpropPart['value'] ) && !is_numeric( $xpropPart['value'] ))) {
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if( $this->getConfig( 'allowEmpty' ))
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$output .= $this->_createElement( $label );
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continue;
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}
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$attributes = $this->_createParams( $xpropPart['params'], array( 'LANGUAGE' ));
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if( is_array( $xpropPart['value'] )) {
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foreach( $xpropPart['value'] as $pix => $theXpart )
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$xpropPart['value'][$pix] = iCalUtilityFunctions::_strrep( $theXpart, $this->format, $this->nl );
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$xpropPart['value'] = implode( ',', $xpropPart['value'] );
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}
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else
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$xpropPart['value'] = iCalUtilityFunctions::_strrep( $xpropPart['value'], $this->format, $this->nl );
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$output .= $this->_createElement( $label, $attributes, $xpropPart['value'] );
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}
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return $output;
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}
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/**
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* set calendar property x-prop
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*
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* @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se>
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* @since 2.21.11 - 2015-03-31
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* @param string $label
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* @param string $value
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* @param array $params optional
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* @uses vcalendar::getConfig()
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* @uses iCalUtilityFunctions::_setParams()
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* @uses iCalBase::$xprop
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* @return bool
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*/
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public function setXprop( $label, $value, $params=FALSE ) {
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if( empty( $label ))
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return FALSE;
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$label = strtoupper( $label );
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if( 'X-' != substr( $label, 0, 2 ))
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return FALSE;
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if( empty( $value ) && !is_numeric( $value )) if( $this->getConfig( 'allowEmpty' )) $value = ''; else return FALSE;
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$xprop = array( 'value' => $value );
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$xprop['params'] = iCalUtilityFunctions::_setParams( $params );
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if( ! is_array( $this->xprop ))
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$this->xprop = array();
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$this->xprop[$label] = $xprop;
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return TRUE;
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}
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/**
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* create element format parts
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*
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* @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se>
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* @since 2.21.11 - 2015-03-31
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* @uses iCalBase::$format
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* @uses iCalBase::$objName
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* @uses iCalBase::$componentStart1
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* @uses iCalBase::$elementStart1
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* @uses iCalBase::$componentStart2
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* @uses iCalBase::$elementStart2
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* @uses iCalBase::$componentEnd1
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* @uses iCalBase::$elementEnd1
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* @uses iCalBase::$componentEnd2
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* @uses iCalBase::$elementEnd2
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* @uses iCalBase::$nl;
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* @uses iCalBase::$intAttrDelimiter
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* @uses iCalBase::$attributeDelimiter
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* @uses iCalBase::$valueInit
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* @return bool
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*/
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function _createFormat() {
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switch( $this->format ) {
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case 'xcal':
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$this->componentStart1 = $this->elementStart1 = '<';
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$this->componentStart2 = $this->elementStart2 = '>';
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$this->componentEnd1 = $this->elementEnd1 = '</';
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$this->componentEnd2 = $this->elementEnd2 = '>'.$this->nl;
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$this->intAttrDelimiter = '<!-- -->';
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$this->attributeDelimiter = $this->nl;
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$this->valueInit = null;
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break;
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default:
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$this->componentStart1 = 'BEGIN:';
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$this->componentStart2 = null;
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$this->componentEnd1 = 'END:';
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$this->componentEnd2 = $this->nl;
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$this->elementStart1 = null;
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$this->elementStart2 = null;
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$this->elementEnd1 = null;
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$this->elementEnd2 = $this->nl;
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$this->intAttrDelimiter = '<!-- -->';
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$this->attributeDelimiter = ';';
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$this->valueInit = ':';
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break;
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}
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return TRUE;
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}
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/**
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* creates formatted output for calendar component property
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*
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* @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se>
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* @since 2.21.11 - 2015-03-31
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* @param string $label property name
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* @param string $attributes property attributes
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* @param string $content property content (optional)
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* @uses iCalBase::$format
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* @uses iCalBase::$elementStart1
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* @uses iCalBase::$xcaldecl
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* @uses iCalBase::$intAttrDelimiter
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* @uses iCalBase::$attributeDelimiter
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* @uses iCalBase::_createElement()
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* @uses iCalBase::$elementStart2
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* @uses iCalBase::$nl
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* @uses iCalBase::$valueInit
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* @uses iCalUtilityFunctions::_size75()
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* @uses iCalBase::$elementEnd1
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* @uses iCalBase::$elementEnd2
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* @access protected
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* @return string
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*/
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protected function _createElement( $label, $attributes=null, $content=FALSE ) {
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switch( $this->format ) {
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case 'xcal':
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$label = strtolower( $label );
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break;
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default:
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$label = strtoupper( $label );
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break;
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}
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$output = $this->elementStart1.$label;
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$categoriesAttrLang = null;
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$attachInlineBinary = FALSE;
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$attachfmttype = null;
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if (( 'xcal' == $this->format) && ( 'x-' == substr( $label, 0, 2 ))) {
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$this->xcaldecl[] = array( 'xmldecl' => 'ELEMENT'
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, 'ref' => $label
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, 'type2' => '(#PCDATA)' );
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}
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if( !empty( $attributes )) {
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$attributes = trim( $attributes );
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if ( 'xcal' == $this->format ) {
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$attributes2 = explode( $this->intAttrDelimiter, $attributes );
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$attributes = null;
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foreach( $attributes2 as $aix => $attribute ) {
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$attrKVarr = explode( '=', $attribute );
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if( empty( $attrKVarr[0] ))
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continue;
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if( !isset( $attrKVarr[1] )) {
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$attrValue = $attrKVarr[0];
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$attrKey = $aix;
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}
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elseif( 2 == count( $attrKVarr)) {
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$attrKey = strtolower( $attrKVarr[0] );
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$attrValue = $attrKVarr[1];
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}
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else {
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$attrKey = strtolower( $attrKVarr[0] );
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unset( $attrKVarr[0] );
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$attrValue = implode( '=', $attrKVarr );
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}
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if(( 'attach' == $label ) && ( in_array( $attrKey, array( 'fmttype', 'encoding', 'value' )))) {
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$attachInlineBinary = TRUE;
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if( 'fmttype' == $attrKey )
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$attachfmttype = $attrKey.'='.$attrValue;
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continue;
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}
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elseif(( 'categories' == $label ) && ( 'language' == $attrKey ))
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$categoriesAttrLang = $attrKey.'='.$attrValue;
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else {
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$attributes .= ( empty( $attributes )) ? ' ' : $this->attributeDelimiter.' ';
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$attributes .= ( !empty( $attrKey )) ? $attrKey.'=' : null;
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if(( '"' == substr( $attrValue, 0, 1 )) && ( '"' == substr( $attrValue, -1 ))) {
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$attrValue = substr( $attrValue, 1, ( strlen( $attrValue ) - 2 ));
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$attrValue = str_replace( '"', '', $attrValue );
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}
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$attributes .= '"'.htmlspecialchars( $attrValue ).'"';
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}
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}
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}
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else {
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$attributes = str_replace( $this->intAttrDelimiter, $this->attributeDelimiter, $attributes );
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}
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}
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if(( 'xcal' == $this->format) &&
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((( 'attach' == $label ) && !$attachInlineBinary ) || ( in_array( $label, array( 'tzurl', 'url' ))))) {
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$pos = strrpos( $content, "/" );
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$docname = ( $pos !== false) ? substr( $content, (1 - strlen( $content ) + $pos )) : $content;
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$this->xcaldecl[] = array( 'xmldecl' => 'ENTITY'
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, 'uri' => $docname
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, 'ref' => 'SYSTEM'
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, 'external' => $content
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, 'type' => 'NDATA'
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, 'type2' => 'BINERY' );
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$attributes .= ( empty( $attributes )) ? ' ' : $this->attributeDelimiter.' ';
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$attributes .= 'uri="'.$docname.'"';
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$content = null;
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if( 'attach' == $label ) {
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$attributes = str_replace( $this->attributeDelimiter, $this->intAttrDelimiter, $attributes );
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$content = $this->nl.$this->_createElement( 'extref', $attributes, null );
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$attributes = null;
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}
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}
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elseif(( 'xcal' == $this->format) && ( 'attach' == $label ) && $attachInlineBinary ) {
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$content = $this->nl.$this->_createElement( 'b64bin', $attachfmttype, $content ); // max one attribute
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}
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$output .= $attributes;
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if( !$content && ( '0' != $content )) {
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switch( $this->format ) {
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case 'xcal':
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$output .= ' /';
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$output .= $this->elementStart2.$this->nl;
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return $output;
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break;
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default:
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$output .= $this->elementStart2.$this->valueInit;
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return iCalUtilityFunctions::_size75( $output, $this->nl );
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break;
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}
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}
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$output .= $this->elementStart2;
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$output .= $this->valueInit.$content;
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switch( $this->format ) {
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case 'xcal':
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return $output.$this->elementEnd1.$label.$this->elementEnd2;
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break;
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default:
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return iCalUtilityFunctions::_size75( $output, $this->nl );
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break;
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}
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}
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/**
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* creates formatted output for calendar component property parameters
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||
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|
*
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|
* @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se>
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||
|
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* @since 2.21.11 - 2015-03-31
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||
|
|
* @param array $params optional
|
||
|
|
* @param array $ctrKeys optional
|
||
|
|
* @uses iCalBase::$intAttrDelimiter
|
||
|
|
* @uses vcalendar::getConfig()
|
||
|
|
* @uses calendarComponent::getConfig()
|
||
|
|
* @access protected
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
protected 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();
|
||
|
|
$params = array_change_key_case( $params, CASE_UPPER );
|
||
|
|
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;
|
||
|
|
}
|
||
|
|
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;
|
||
|
|
}
|
||
|
|
}
|