library/Zend/Serializer/Adapter/PhpSerialize.php

   1 <?php
   2 /**
   3  * Zend Framework
   4  *
   5  * LICENSE
   6  *
   7  * This source file is subject to the new BSD license that is bundled
   8  * with this package in the file LICENSE.txt.
   9  * It is also available through the world-wide-web at this URL:
  10  * http://framework.zend.com/license/new-bsd
  11  * If you did not receive a copy of the license and are unable to
  12  * obtain it through the world-wide-web, please send an email
  13  * to license@zend.com so we can send you a copy immediately.
  14  *
  15  * @category   Zend
  16  * @package    Zend_Serializer
  17  * @subpackage Adapter
  18  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
  19  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  20  * @version    $Id$
  21  */
  22
  23 /** @see Zend_Serializer_Adapter_AdapterAbstract */
  24 require_once 'Zend/Serializer/Adapter/AdapterAbstract.php';
  25
  26 /**
  27  * @category   Zend
  28  * @package    Zend_Serializer
  29  * @subpackage Adapter
  30  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
  31  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  32  */
  33 class Zend_Serializer_Adapter_PhpSerialize extends Zend_Serializer_Adapter_AdapterAbstract
  34 {
  35     /**
  36      *  @var null|string Serialized boolean false value
  37      */
  38     private static $_serializedFalse = null;
  39
  40     /**
  41      * Constructor
  42      *
  43      * @param  array|Zend_Config $opts
  44      * @return void
  45      */
  46     public function __construct($opts = array())
  47     {
  48         parent::__construct($opts);
  49
  50         if (self::$_serializedFalse === null) {
  51             self::$_serializedFalse = serialize(false);
  52         }
  53     }
  54
  55     /**
  56      * Serialize using serialize()
  57      *
  58      * @param  mixed $value
  59      * @param  array $opts
  60      * @return string
  61      * @throws Zend_Serializer_Exception On serialize error
  62      */
  63     public function serialize($value, array $opts = array())
  64     {
  65         $ret = serialize($value);
  66         if ($ret === false) {
  67             $lastErr = error_get_last();
  68             require_once 'Zend/Serializer/Exception.php';
  69             throw new Zend_Serializer_Exception($lastErr['message']);
  70         }
  71         return $ret;
  72     }
  73
  74     /**
  75      * Unserialize
  76      *
  77      * @todo   Allow integration with unserialize_callback_func
  78      * @param  string $serialized
  79      * @param  array $opts
  80      * @return mixed
  81      * @throws Zend_Serializer_Exception on unserialize error
  82      */
  83     public function unserialize($serialized, array $opts = array())
  84     {
  85         // TODO: @see php.ini directive "unserialize_callback_func"
  86         $ret = @unserialize($serialized);
  87         if ($ret === false && $serialized !== self::$_serializedFalse) {
  88             $lastErr = error_get_last();
  89             require_once 'Zend/Serializer/Exception.php';
  90             throw new Zend_Serializer_Exception($lastErr['message']);
  91         }
  92         return $ret;
  93     }
  94 }