File indexing completed on 2024-12-22 05:37:01

 <?php
 /**
  * Zend Framework
  *
  * LICENSE
  *
  * This source file is subject to the new BSD license that is bundled
  * with this package in the file LICENSE.txt.
  * It is also available through the world-wide-web at this URL:
  * http://framework.zend.com/license/new-bsd
  * If you did not receive a copy of the license and are unable to
  * obtain it through the world-wide-web, please send an email
  * to license@zend.com so we can send you a copy immediately.
  *
  * @category   Zend
  * @package    Zend_Serializer
  * @subpackage Adapter
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 
 /** @see Zend_Serializer_Adapter_AdapterAbstract */
 // require_once 'Zend/Serializer/Adapter/AdapterAbstract.php';
 
 /** @see Zend_Xml_Security */
 // require_once 'Zend/Xml/Security.php';
 
 /** @see Zend_Xml_Exception */
 // require_once 'Zend/Xml/Exception.php';
 
 /**
  * @link       http://www.infoloom.com/gcaconfs/WEB/chicago98/simeonov.HTM
  * @link       http://en.wikipedia.org/wiki/WDDX
  * @category   Zend
  * @package    Zend_Serializer
  * @subpackage Adapter
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Serializer_Adapter_Wddx extends Zend_Serializer_Adapter_AdapterAbstract
 {
     /**
      * @var array Default options
      */
     protected $_options = array(
         'comment' => null,
     );
 
     /**
      * Constructor
      *
      * @param  array $opts
      * @return void
      * @throws Zend_Serializer_Exception if wddx extension not found
      */
     public function __construct($opts = array())
     {
         if (!extension_loaded('wddx')) {
             // require_once 'Zend/Serializer/Exception.php';
             throw new Zend_Serializer_Exception('PHP extension "wddx" is required for this adapter');
         }
 
         parent::__construct($opts);
     }
 
     /**
      * Serialize PHP to WDDX
      *
      * @param  mixed $value
      * @param  array $opts
      * @return string
      * @throws Zend_Serializer_Exception on wddx error
      */
     public function serialize($value, array $opts = array())
     {
         $opts = $opts + $this->_options;
 
         if (isset($opts['comment']) && $opts['comment']) {
             $wddx = wddx_serialize_value($value, (string)$opts['comment']);
         } else {
             $wddx = wddx_serialize_value($value);
         }
 
         if ($wddx === false) {
             $lastErr = error_get_last();
             // require_once 'Zend/Serializer/Exception.php';
             throw new Zend_Serializer_Exception($lastErr['message']);
         }
         return $wddx;
     }
 
     /**
      * Unserialize from WDDX to PHP
      *
      * @param  string $wddx
      * @param  array $opts
      * @return mixed
      * @throws Zend_Serializer_Exception on wddx error
      */
     public function unserialize($wddx, array $opts = array())
     {
         $ret = wddx_deserialize($wddx);
 
         if ($ret === null) {
             // check if the returned NULL is valid
             // or based on an invalid wddx string
             try {
                 $simpleXml = Zend_Xml_Security::scan($wddx);
                 if (isset($simpleXml->data[0]->null[0])) {
                     return null; // valid null
                 }
                 $errMsg = 'Can\'t unserialize wddx string';
             } catch (Zend_Xml_Exception $e) {
                 $errMsg = $e->getMessage();
             }
 
             // require_once 'Zend/Serializer/Exception.php';
             throw new Zend_Serializer_Exception($errMsg);
         }
 
         return $ret;
     }
 }