936 lines
20 KiB
PHP
Executable File
936 lines
20 KiB
PHP
Executable File
<?php
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/*!
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* Medoo database framework
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* http://medoo.in
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* Version 0.9.8
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*
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* Copyright 2015, Angel Lai
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* Released under the MIT license
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*/
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class medoo
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{
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// General
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protected $database_type;
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protected $charset;
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protected $database_name;
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// For MySQL, MariaDB, MSSQL, Sybase, PostgreSQL, Oracle
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protected $server;
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protected $username;
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protected $password;
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// For SQLite
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protected $database_file;
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// For MySQL or MariaDB with unix_socket
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protected $socket;
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// Optional
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protected $port;
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protected $option = array();
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// Variable
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protected $logs = array();
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protected $debug_mode = false;
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public function __construct($options = null)
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{
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try {
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$commands = array();
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if (is_string($options) && !empty($options))
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{
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if (strtolower($this->database_type) == 'sqlite')
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{
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$this->database_file = $options;
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}
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else
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{
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$this->database_name = $options;
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}
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}
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elseif (is_array($options))
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{
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foreach ($options as $option => $value)
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{
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$this->$option = $value;
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}
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}
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if (
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isset($this->port) &&
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is_int($this->port * 1)
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)
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{
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$port = $this->port;
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}
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$type = strtolower($this->database_type);
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$is_port = isset($port);
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switch ($type)
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{
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case 'mariadb':
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$type = 'mysql';
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case 'mysql':
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if ($this->socket)
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{
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$dsn = $type . ':unix_socket=' . $this->socket . ';dbname=' . $this->database_name;
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}
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else
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{
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$dsn = $type . ':host=' . $this->server . ($is_port ? ';port=' . $port : '') . ';dbname=' . $this->database_name;
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}
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// Make MySQL using standard quoted identifier
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$commands[] = 'SET SQL_MODE=ANSI_QUOTES';
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break;
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case 'pgsql':
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$dsn = $type . ':host=' . $this->server . ($is_port ? ';port=' . $port : '') . ';dbname=' . $this->database_name;
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break;
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case 'sybase':
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$dsn = 'dblib:host=' . $this->server . ($is_port ? ':' . $port : '') . ';dbname=' . $this->database_name;
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break;
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case 'oracle':
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$dbname = $this->server ?
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'//' . $this->server . ($is_port ? ':' . $port : ':1521') . '/' . $this->database_name :
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$this->database_name;
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$dsn = 'oci:dbname=' . $dbname . ($this->charset ? ';charset=' . $this->charset : '');
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break;
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case 'mssql':
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$dsn = strstr(PHP_OS, 'WIN') ?
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'sqlsrv:server=' . $this->server . ($is_port ? ',' . $port : '') . ';database=' . $this->database_name :
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'dblib:host=' . $this->server . ($is_port ? ':' . $port : '') . ';dbname=' . $this->database_name;
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// Keep MSSQL QUOTED_IDENTIFIER is ON for standard quoting
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$commands[] = 'SET QUOTED_IDENTIFIER ON';
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break;
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case 'sqlite':
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$dsn = $type . ':' . $this->database_file;
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$this->username = null;
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$this->password = null;
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break;
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}
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if (
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in_array($type, explode(' ', 'mariadb mysql pgsql sybase mssql')) &&
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$this->charset
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)
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{
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$commands[] = "SET NAMES '" . $this->charset . "'";
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}
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$this->pdo = new PDO(
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$dsn,
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$this->username,
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$this->password,
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$this->option
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);
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foreach ($commands as $value)
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{
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$this->pdo->exec($value);
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}
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}
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catch (PDOException $e) {
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throw new Exception($e->getMessage());
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}
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}
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public function query($query)
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{
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if ($this->debug_mode)
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{
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echo $query;
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$this->debug_mode = false;
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return false;
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}
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array_push($this->logs, $query);
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return $this->pdo->query($query);
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}
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public function exec($query)
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{
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if ($this->debug_mode)
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{
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echo $query;
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$this->debug_mode = false;
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return false;
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}
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array_push($this->logs, $query);
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return $this->pdo->exec($query);
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}
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public function quote($string)
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{
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return $this->pdo->quote($string);
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}
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protected function column_quote($string)
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{
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return '"' . str_replace('.', '"."', preg_replace('/(^#|\(JSON\))/', '', $string)) . '"';
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}
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protected function column_push($columns)
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{
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if ($columns == '*')
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{
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return $columns;
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}
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if (is_string($columns))
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{
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$columns = array($columns);
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}
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$stack = array();
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foreach ($columns as $key => $value)
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{
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preg_match('/([a-zA-Z0-9_\-\.]*)\s*\(([a-zA-Z0-9_\-]*)\)/i', $value, $match);
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if (isset($match[1], $match[2]))
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{
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array_push($stack, $this->column_quote( $match[1] ) . ' AS ' . $this->column_quote( $match[2] ));
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}
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else
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{
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array_push($stack, $this->column_quote( $value ));
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}
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}
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return implode($stack, ',');
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}
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protected function array_quote($array)
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{
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$temp = array();
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foreach ($array as $value)
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{
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$temp[] = is_int($value) ? $value : $this->pdo->quote($value);
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}
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return implode($temp, ',');
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}
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protected function inner_conjunct($data, $conjunctor, $outer_conjunctor)
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{
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$haystack = array();
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foreach ($data as $value)
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{
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$haystack[] = '(' . $this->data_implode($value, $conjunctor) . ')';
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}
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return implode($outer_conjunctor . ' ', $haystack);
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}
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protected function fn_quote($column, $string)
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{
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return (strpos($column, '#') === 0 && preg_match('/^[A-Z0-9\_]*\([^)]*\)$/', $string)) ?
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$string :
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$this->quote($string);
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}
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protected function data_implode($data, $conjunctor, $outer_conjunctor = null)
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{
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$wheres = array();
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foreach ($data as $key => $value)
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{
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$type = gettype($value);
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if (
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preg_match("/^(AND|OR)\s*#?/i", $key, $relation_match) &&
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$type == 'array'
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)
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{
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$wheres[] = 0 !== count(array_diff_key($value, array_keys(array_keys($value)))) ?
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'(' . $this->data_implode($value, ' ' . $relation_match[1]) . ')' :
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'(' . $this->inner_conjunct($value, ' ' . $relation_match[1], $conjunctor) . ')';
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}
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else
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{
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preg_match('/(#?)([\w\.]+)(\[(\>|\>\=|\<|\<\=|\!|\<\>|\>\<|\!?~)\])?/i', $key, $match);
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$column = $this->column_quote($match[2]);
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if (isset($match[4]))
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{
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$operator = $match[4];
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if ($operator == '!')
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{
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switch ($type)
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{
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case 'NULL':
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$wheres[] = $column . ' IS NOT NULL';
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break;
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case 'array':
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$wheres[] = $column . ' NOT IN (' . $this->array_quote($value) . ')';
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break;
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case 'integer':
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case 'double':
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$wheres[] = $column . ' != ' . $value;
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break;
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case 'boolean':
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$wheres[] = $column . ' != ' . ($value ? '1' : '0');
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break;
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case 'string':
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$wheres[] = $column . ' != ' . $this->fn_quote($key, $value);
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break;
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}
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}
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if ($operator == '<>' || $operator == '><')
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{
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if ($type == 'array')
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{
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if ($operator == '><')
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{
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$column .= ' NOT';
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}
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if (is_numeric($value[0]) && is_numeric($value[1]))
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{
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$wheres[] = '(' . $column . ' BETWEEN ' . $value[0] . ' AND ' . $value[1] . ')';
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}
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else
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{
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$wheres[] = '(' . $column . ' BETWEEN ' . $this->quote($value[0]) . ' AND ' . $this->quote($value[1]) . ')';
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}
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}
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}
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if ($operator == '~' || $operator == '!~')
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{
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if ($type == 'string')
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{
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$value = array($value);
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}
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if (!empty($value))
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{
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$like_clauses = array();
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foreach ($value as $item)
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{
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if ($operator == '!~')
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{
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$column .= ' NOT';
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}
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if (preg_match('/^(?!%).+(?<!%)$/', $item))
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{
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$item = '%' . $item . '%';
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}
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$like_clauses[] = $column . ' LIKE ' . $this->fn_quote($key, $item);
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}
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$wheres[] = implode(' OR ', $like_clauses);
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}
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}
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if (in_array($operator, array('>', '>=', '<', '<=')))
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{
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if (is_numeric($value))
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{
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$wheres[] = $column . ' ' . $operator . ' ' . $value;
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}
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elseif (strpos($key, '#') === 0)
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{
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$wheres[] = $column . ' ' . $operator . ' ' . $this->fn_quote($key, $value);
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}
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else
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{
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$wheres[] = $column . ' ' . $operator . ' ' . $this->quote($value);
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}
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}
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}
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else
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{
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switch ($type)
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{
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case 'NULL':
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$wheres[] = $column . ' IS NULL';
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break;
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case 'array':
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$wheres[] = $column . ' IN (' . $this->array_quote($value) . ')';
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break;
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case 'integer':
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case 'double':
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$wheres[] = $column . ' = ' . $value;
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break;
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case 'boolean':
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$wheres[] = $column . ' = ' . ($value ? '1' : '0');
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break;
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case 'string':
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$wheres[] = $column . ' = ' . $this->fn_quote($key, $value);
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break;
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}
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}
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}
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}
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return implode($conjunctor . ' ', $wheres);
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}
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protected function where_clause($where)
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{
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$where_clause = '';
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if (is_array($where))
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{
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$where_keys = array_keys($where);
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$where_AND = preg_grep("/^AND\s*#?$/i", $where_keys);
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$where_OR = preg_grep("/^OR\s*#?$/i", $where_keys);
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$single_condition = array_diff_key($where, array_flip(
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explode(' ', 'AND OR GROUP ORDER HAVING LIMIT LIKE MATCH')
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));
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if ($single_condition != array())
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{
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$where_clause = ' WHERE ' . $this->data_implode($single_condition, '');
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}
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if (!empty($where_AND))
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{
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$value = array_values($where_AND);
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$where_clause = ' WHERE ' . $this->data_implode($where[ $value[0] ], ' AND');
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}
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if (!empty($where_OR))
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{
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$value = array_values($where_OR);
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$where_clause = ' WHERE ' . $this->data_implode($where[ $value[0] ], ' OR');
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}
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if (isset($where['MATCH']))
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{
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$MATCH = $where['MATCH'];
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if (is_array($MATCH) && isset($MATCH['columns'], $MATCH['keyword']))
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{
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$where_clause .= ($where_clause != '' ? ' AND ' : ' WHERE ') . ' MATCH ("' . str_replace('.', '"."', implode($MATCH['columns'], '", "')) . '") AGAINST (' . $this->quote($MATCH['keyword']) . ')';
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}
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}
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if (isset($where['GROUP']))
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{
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$where_clause .= ' GROUP BY ' . $this->column_quote($where['GROUP']);
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if (isset($where['HAVING']))
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{
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$where_clause .= ' HAVING ' . $this->data_implode($where['HAVING'], ' AND');
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}
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}
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if (isset($where['ORDER']))
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{
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$rsort = '/(^[a-zA-Z0-9_\-\.]*)(\s*(DESC|ASC))?/';
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$ORDER = $where['ORDER'];
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if (is_array($ORDER))
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{
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if (
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isset($ORDER[1]) &&
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is_array($ORDER[1])
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)
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{
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$where_clause .= ' ORDER BY FIELD(' . $this->column_quote($ORDER[0]) . ', ' . $this->array_quote($ORDER[1]) . ')';
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}
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else
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{
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$stack = array();
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foreach ($ORDER as $column)
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{
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preg_match($rsort, $column, $order_match);
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array_push($stack, '"' . str_replace('.', '"."', $order_match[1]) . '"' . (isset($order_match[3]) ? ' ' . $order_match[3] : ''));
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}
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$where_clause .= ' ORDER BY ' . implode($stack, ',');
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}
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}
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else
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{
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preg_match($rsort, $ORDER, $order_match);
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$where_clause .= ' ORDER BY "' . str_replace('.', '"."', $order_match[1]) . '"' . (isset($order_match[3]) ? ' ' . $order_match[3] : '');
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}
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}
|
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|
if (isset($where['LIMIT']))
|
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{
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$LIMIT = $where['LIMIT'];
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if (is_numeric($LIMIT))
|
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{
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$where_clause .= ' LIMIT ' . $LIMIT;
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}
|
|
|
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if (
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is_array($LIMIT) &&
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is_numeric($LIMIT[0]) &&
|
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is_numeric($LIMIT[1])
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)
|
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{
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$where_clause .= ' LIMIT ' . $LIMIT[0] . ',' . $LIMIT[1];
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}
|
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}
|
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}
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else
|
|
{
|
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if ($where != null)
|
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{
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$where_clause .= ' ' . $where;
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}
|
|
}
|
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return $where_clause;
|
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}
|
|
|
|
protected function select_context($table, $join, &$columns = null, $where = null, $column_fn = null)
|
|
{
|
|
$table = '"' . $table . '"';
|
|
$join_key = is_array($join) ? array_keys($join) : null;
|
|
|
|
if (
|
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isset($join_key[0]) &&
|
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strpos($join_key[0], '[') === 0
|
|
)
|
|
{
|
|
$table_join = array();
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|
|
$join_array = array(
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'>' => 'LEFT',
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'<' => 'RIGHT',
|
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'<>' => 'FULL',
|
|
'><' => 'INNER'
|
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);
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|
|
foreach($join as $sub_table => $relation)
|
|
{
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preg_match('/(\[(\<|\>|\>\<|\<\>)\])?([a-zA-Z0-9_\-]*)\s?(\(([a-zA-Z0-9_\-]*)\))?/', $sub_table, $match);
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|
|
if ($match[2] != '' && $match[3] != '')
|
|
{
|
|
if (is_string($relation))
|
|
{
|
|
$relation = 'USING ("' . $relation . '")';
|
|
}
|
|
|
|
if (is_array($relation))
|
|
{
|
|
// For ['column1', 'column2']
|
|
if (isset($relation[0]))
|
|
{
|
|
$relation = 'USING ("' . implode($relation, '", "') . '")';
|
|
}
|
|
// For ['column1' => 'column2']
|
|
else
|
|
{
|
|
$relation = 'ON ' . $table . '."' . key($relation) . '" = "' . (isset($match[5]) ? $match[5] : $match[3]) . '"."' . current($relation) . '"';
|
|
}
|
|
}
|
|
|
|
$table_join[] = $join_array[ $match[2] ] . ' JOIN "' . $match[3] . '" ' . (isset($match[5]) ? 'AS "' . $match[5] . '" ' : '') . $relation;
|
|
}
|
|
}
|
|
|
|
$table .= ' ' . implode($table_join, ' ');
|
|
}
|
|
else
|
|
{
|
|
if (is_null($columns))
|
|
{
|
|
if (is_null($where))
|
|
{
|
|
if (
|
|
is_array($join) &&
|
|
isset($column_fn)
|
|
)
|
|
{
|
|
$where = $join;
|
|
$columns = null;
|
|
}
|
|
else
|
|
{
|
|
$where = null;
|
|
$columns = $join;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$where = $join;
|
|
$columns = null;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$where = $columns;
|
|
$columns = $join;
|
|
}
|
|
}
|
|
|
|
if (isset($column_fn))
|
|
{
|
|
if ($column_fn == 1)
|
|
{
|
|
$column = '1';
|
|
|
|
if (is_null($where))
|
|
{
|
|
$where = $columns;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (empty($columns))
|
|
{
|
|
$columns = '*';
|
|
$where = $join;
|
|
}
|
|
|
|
$column = $column_fn . '(' . $this->column_push($columns) . ')';
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$column = $this->column_push($columns);
|
|
}
|
|
|
|
return 'SELECT ' . $column . ' FROM ' . $table . $this->where_clause($where);
|
|
}
|
|
|
|
public function select($table, $join, $columns = null, $where = null)
|
|
{
|
|
$query = $this->query($this->select_context($table, $join, $columns, $where));
|
|
|
|
return $query ? $query->fetchAll(
|
|
(is_string($columns) && $columns != '*') ? PDO::FETCH_COLUMN : PDO::FETCH_ASSOC
|
|
) : false;
|
|
}
|
|
|
|
public function insert($table, $datas)
|
|
{
|
|
$lastId = array();
|
|
|
|
// Check indexed or associative array
|
|
if (!isset($datas[0]))
|
|
{
|
|
$datas = array($datas);
|
|
}
|
|
|
|
foreach ($datas as $data)
|
|
{
|
|
$keys = array_keys($data);
|
|
$values = array();
|
|
$columns = array();
|
|
|
|
foreach ($data as $key => $value)
|
|
{
|
|
array_push($columns, $this->column_quote($key));
|
|
|
|
switch (gettype($value))
|
|
{
|
|
case 'NULL':
|
|
$values[] = 'NULL';
|
|
break;
|
|
|
|
case 'array':
|
|
preg_match("/\(JSON\)\s*([\w]+)/i", $key, $column_match);
|
|
|
|
$values[] = isset($column_match[0]) ?
|
|
$this->quote(json_encode($value)) :
|
|
$this->quote(serialize($value));
|
|
break;
|
|
|
|
case 'boolean':
|
|
$values[] = ($value ? '1' : '0');
|
|
break;
|
|
|
|
case 'integer':
|
|
case 'double':
|
|
case 'string':
|
|
$values[] = $this->fn_quote($key, $value);
|
|
break;
|
|
}
|
|
}
|
|
|
|
$this->exec('INSERT INTO "' . $table . '" (' . implode(', ', $columns) . ') VALUES (' . implode($values, ', ') . ')');
|
|
|
|
$lastId[] = $this->pdo->lastInsertId();
|
|
}
|
|
|
|
return count($lastId) > 1 ? $lastId : $lastId[ 0 ];
|
|
}
|
|
|
|
public function update($table, $data, $where = null)
|
|
{
|
|
$fields = array();
|
|
|
|
foreach ($data as $key => $value)
|
|
{
|
|
preg_match('/([\w]+)(\[(\+|\-|\*|\/)\])?/i', $key, $match);
|
|
|
|
if (isset($match[3]))
|
|
{
|
|
if (is_numeric($value))
|
|
{
|
|
$fields[] = $this->column_quote($match[1]) . ' = ' . $this->column_quote($match[1]) . ' ' . $match[3] . ' ' . $value;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$column = $this->column_quote($key);
|
|
|
|
switch (gettype($value))
|
|
{
|
|
case 'NULL':
|
|
$fields[] = $column . ' = NULL';
|
|
break;
|
|
|
|
case 'array':
|
|
preg_match("/\(JSON\)\s*([\w]+)/i", $key, $column_match);
|
|
|
|
$fields[] = $column . ' = ' . $this->quote(
|
|
isset($column_match[0]) ? json_encode($value) : serialize($value)
|
|
);
|
|
break;
|
|
|
|
case 'boolean':
|
|
$fields[] = $column . ' = ' . ($value ? '1' : '0');
|
|
break;
|
|
|
|
case 'integer':
|
|
case 'double':
|
|
case 'string':
|
|
$fields[] = $column . ' = ' . $this->fn_quote($key, $value);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return $this->exec('UPDATE "' . $table . '" SET ' . implode(', ', $fields) . $this->where_clause($where));
|
|
}
|
|
|
|
public function delete($table, $where)
|
|
{
|
|
return $this->exec('DELETE FROM "' . $table . '"' . $this->where_clause($where));
|
|
}
|
|
|
|
public function replace($table, $columns, $search = null, $replace = null, $where = null)
|
|
{
|
|
if (is_array($columns))
|
|
{
|
|
$replace_query = array();
|
|
|
|
foreach ($columns as $column => $replacements)
|
|
{
|
|
foreach ($replacements as $replace_search => $replace_replacement)
|
|
{
|
|
$replace_query[] = $column . ' = REPLACE(' . $this->column_quote($column) . ', ' . $this->quote($replace_search) . ', ' . $this->quote($replace_replacement) . ')';
|
|
}
|
|
}
|
|
|
|
$replace_query = implode(', ', $replace_query);
|
|
$where = $search;
|
|
}
|
|
else
|
|
{
|
|
if (is_array($search))
|
|
{
|
|
$replace_query = array();
|
|
|
|
foreach ($search as $replace_search => $replace_replacement)
|
|
{
|
|
$replace_query[] = $columns . ' = REPLACE(' . $this->column_quote($columns) . ', ' . $this->quote($replace_search) . ', ' . $this->quote($replace_replacement) . ')';
|
|
}
|
|
|
|
$replace_query = implode(', ', $replace_query);
|
|
$where = $replace;
|
|
}
|
|
else
|
|
{
|
|
$replace_query = $columns . ' = REPLACE(' . $this->column_quote($columns) . ', ' . $this->quote($search) . ', ' . $this->quote($replace) . ')';
|
|
}
|
|
}
|
|
|
|
return $this->exec('UPDATE "' . $table . '" SET ' . $replace_query . $this->where_clause($where));
|
|
}
|
|
|
|
public function get($table, $join = null, $column = null, $where = null)
|
|
{
|
|
if (!isset($where))
|
|
{
|
|
$where = array();
|
|
}
|
|
|
|
$where['LIMIT'] = 1;
|
|
|
|
$query = $this->query($this->select_context($table, $join, $column, $where));
|
|
|
|
if ($query)
|
|
{
|
|
$data = $query->fetchAll(PDO::FETCH_ASSOC);
|
|
|
|
if (isset($data[0]))
|
|
{
|
|
$column = $where == null ? $join : $column;
|
|
|
|
if (is_string($column) && $column != '*')
|
|
{
|
|
return $data[ 0 ][ $column ];
|
|
}
|
|
|
|
return $data[ 0 ];
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
public function has($table, $join, $where = null)
|
|
{
|
|
$column = null;
|
|
|
|
$query = $this->query('SELECT EXISTS(' . $this->select_context($table, $join, $column, $where, 1) . ')');
|
|
|
|
return $query ? $query->fetchColumn() === '1' : false;
|
|
}
|
|
|
|
public function count($table, $join = null, $column = null, $where = null)
|
|
{
|
|
$query = $this->query($this->select_context($table, $join, $column, $where, 'COUNT'));
|
|
|
|
return $query ? 0 + $query->fetchColumn() : false;
|
|
}
|
|
|
|
public function max($table, $join, $column = null, $where = null)
|
|
{
|
|
$query = $this->query($this->select_context($table, $join, $column, $where, 'MAX'));
|
|
|
|
if ($query)
|
|
{
|
|
$max = $query->fetchColumn();
|
|
|
|
return is_numeric($max) ? $max + 0 : $max;
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
public function min($table, $join, $column = null, $where = null)
|
|
{
|
|
$query = $this->query($this->select_context($table, $join, $column, $where, 'MIN'));
|
|
|
|
if ($query)
|
|
{
|
|
$min = $query->fetchColumn();
|
|
|
|
return is_numeric($min) ? $min + 0 : $min;
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
public function avg($table, $join, $column = null, $where = null)
|
|
{
|
|
$query = $this->query($this->select_context($table, $join, $column, $where, 'AVG'));
|
|
|
|
return $query ? 0 + $query->fetchColumn() : false;
|
|
}
|
|
|
|
public function sum($table, $join, $column = null, $where = null)
|
|
{
|
|
$query = $this->query($this->select_context($table, $join, $column, $where, 'SUM'));
|
|
|
|
return $query ? 0 + $query->fetchColumn() : false;
|
|
}
|
|
|
|
public function debug()
|
|
{
|
|
$this->debug_mode = true;
|
|
|
|
return $this;
|
|
}
|
|
|
|
public function error()
|
|
{
|
|
return $this->pdo->errorInfo();
|
|
}
|
|
|
|
public function last_query()
|
|
{
|
|
return end($this->logs);
|
|
}
|
|
|
|
public function log()
|
|
{
|
|
return $this->logs;
|
|
}
|
|
|
|
public function info()
|
|
{
|
|
$output = array(
|
|
'server' => 'SERVER_INFO',
|
|
'driver' => 'DRIVER_NAME',
|
|
'client' => 'CLIENT_VERSION',
|
|
'version' => 'SERVER_VERSION',
|
|
'connection' => 'CONNECTION_STATUS'
|
|
);
|
|
|
|
foreach ($output as $key => $value)
|
|
{
|
|
$output[ $key ] = $this->pdo->getAttribute(constant('PDO::ATTR_' . $value));
|
|
}
|
|
|
|
return $output;
|
|
}
|
|
}
|
|
?>
|