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 <?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';
 
 /**
  * @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_PhpSerialize extends Zend_Serializer_Adapter_AdapterAbstract
 {
     /**
      *  @var null|string Serialized boolean false value
      */
     private static $_serializedFalse = null;
 
     /**
      * Constructor
      *
      * @param  array|Zend_Config $opts
      * @return void
      */
     public function __construct($opts = array())
     {
         parent::__construct($opts);
 
         if (self::$_serializedFalse === null) {
             self::$_serializedFalse = serialize(false);
         }
     }
 
     /**
      * Serialize using serialize()
      *
      * @param  mixed $value
      * @param  array $opts
      * @return string
      * @throws Zend_Serializer_Exception On serialize error
      */
     public function serialize($value, array $opts = array())
     {
         $ret = serialize($value);
         if ($ret === false) {
             $lastErr = error_get_last();
             // require_once 'Zend/Serializer/Exception.php';
             throw new Zend_Serializer_Exception($lastErr['message']);
         }
         return $ret;
     }
 
     /**
      * Unserialize
      *
      * @todo   Allow integration with unserialize_callback_func
      * @param  string $serialized
      * @param  array $opts
      * @return mixed
      * @throws Zend_Serializer_Exception on unserialize error
      */
     public function unserialize($serialized, array $opts = array())
     {
         // TODO: @see php.ini directive "unserialize_callback_func"
         $ret = @unserialize($serialized);
         if ($ret === false && $serialized !== self::$_serializedFalse) {
             $lastErr = error_get_last();
             // require_once 'Zend/Serializer/Exception.php';
             throw new Zend_Serializer_Exception($lastErr['message']);
         }
         return $ret;
     }
 }