/home/edulekha/studygroup.edulekha.com/ow_utilities/serialize.php
<?php
/**
* EXHIBIT A. Common Public Attribution License Version 1.0
* The contents of this file are subject to the Common Public Attribution License Version 1.0 (the “License”);
* you may not use this file except in compliance with the License. You may obtain a copy of the License at
* http://www.oxwall.org/license. The License is based on the Mozilla Public License Version 1.1
* but Sections 14 and 15 have been added to cover use of software over a computer network and provide for
* limited attribution for the Original Developer. In addition, Exhibit A has been modified to be consistent
* with Exhibit B. Software distributed under the License is distributed on an “AS IS” basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the specific language
* governing rights and limitations under the License. The Original Code is Oxwall software.
* The Initial Developer of the Original Code is Oxwall Foundation (http://www.oxwall.org/foundation).
* All portions of the code written by Oxwall Foundation are Copyright (c) 2011. All Rights Reserved.
* EXHIBIT B. Attribution Information
* Attribution Copyright Notice: Copyright 2011 Oxwall Foundation. All rights reserved.
* Attribution Phrase (not exceeding 10 words): Powered by Oxwall community software
* Attribution URL: http://www.oxwall.org/
* Graphic Image as provided in the Covered Code.
* Display of Attribution Information is required in Larger Works which are defined in the CPAL as a work
* which combines Covered Code or portions thereof with code not governed by the terms of the CPAL.
*/
/**
* Serialize utility.
*
* @author Podyachev Evgeny <joker.OW2@gmail.com>
* @package ow_utilities
* @since 1.8.1
*/
class UTIL_Serialize
{
const SERIALIZED_OBJECT_MARK = '#!serialized!#';
/**
* Checks if a string is serialized object
*
* @param string $serialized
* @return boolean
*/
public static function isSerializedObject($serialized) {
return self::getClassName($serialized) != null;
}
/**
* Returns class name of serialized object
*
* @param string $serialized
* @return string
*/
public static function getClassName($serialized) {
if ( preg_match('/^'.self::SERIALIZED_OBJECT_MARK.'(.+?)'.self::SERIALIZED_OBJECT_MARK.'.*$/', $serialized, $matches) )
{
return $matches[1];
}
return null;
}
/**
* Returns serialized data
*
* @param string $serialized
* @return string
*/
public static function getSerializedData($serialized) {
if ( preg_match('/^'.self::SERIALIZED_OBJECT_MARK.'.+?'.self::SERIALIZED_OBJECT_MARK.'(.*)$/', $serialized, $matches) )
{
return $matches[1];
}
return null;
}
/**
* Serialize object
*
* @param string $serialized
* @return string
*/
public static function serialize(Serializable $object) {
return self::SERIALIZED_OBJECT_MARK. get_class($object) . self::SERIALIZED_OBJECT_MARK . $object->serialize();
}
/**
* @param string $serialized
* @return Serializable
*/
public static function unserialize($serialized) {
$className = self::getClassName($serialized);
$serializedData = self::getSerializedData($serialized);
if ( $className == null || $serializedData == null )
{
return null;
}
if( !class_exists($className) )
{
return null;
}
/* @var $object Serializable */
$object = new $className;
$object->unserialize($serializedData);
return $object;
}
}