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: PhpSerialize.php 20574 2010-01-24 17:39:14Z mabe $

    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 }