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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
  * @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_Loader_PluginLoader */
 // require_once 'Zend/Loader/PluginLoader.php';
 
 /**
  * @category   Zend
  * @package    Zend_Serializer
  * @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
 {
     /**
      * Plugin loader to load adapter.
      *
      * @var null|Zend_Loader_PluginLoader
      */
     private static $_adapterLoader = null;
 
     /**
      * The default adapter.
      *
      * @var string|Zend_Serializer_AdapterInterface
      */
     protected static $_defaultAdapter = 'PhpSerialize';
 
     /**
      * Create a serializer adapter instance.
      *
      * @param string|Zend_Serializer_Adapter_AdapterInterface $adapterName Name of the adapter class
      * @param array |Zend_Config $opts Serializer options
      * @return Zend_Serializer_Adapter_AdapterInterface
      */
     public static function factory($adapterName, $opts = array())
     {
         if ($adapterName instanceof Zend_Serializer_Adapter_AdapterInterface) {
             return $adapterName; // $adapterName is already an adapter object
         }
 
         $adapterLoader = self::getAdapterLoader();
         try {
             $adapterClass = $adapterLoader->load($adapterName);
         } catch (Exception $e) {
             // require_once 'Zend/Serializer/Exception.php';
             throw new Zend_Serializer_Exception('Can\'t load serializer adapter "'.$adapterName.'"', 0, $e);
         }
 
         // ZF-8842:
         // check that the loaded class implements Zend_Serializer_Adapter_AdapterInterface without execute code
         if (!in_array('Zend_Serializer_Adapter_AdapterInterface', class_implements($adapterClass))) {
             // require_once 'Zend/Serializer/Exception.php';
             throw new Zend_Serializer_Exception('The serializer adapter class "'.$adapterClass.'" must implement Zend_Serializer_Adapter_AdapterInterface');
         }
 
         return new $adapterClass($opts);
     }
 
     /**
      * Get the adapter plugin loader.
      *
      * @return Zend_Loader_PluginLoader
      */
     public static function getAdapterLoader()
     {
         if (self::$_adapterLoader === null) {
             self::$_adapterLoader = self::_getDefaultAdapterLoader();
         }
         return self::$_adapterLoader;
     }
 
     /**
      * Change the adapter plugin load.
      *
      * @param  Zend_Loader_PluginLoader $pluginLoader
      * @return void
      */
     public static function setAdapterLoader(Zend_Loader_PluginLoader $pluginLoader)
     {
         self::$_adapterLoader = $pluginLoader;
     }
 
     /**
      * Resets the internal adapter plugin loader
      *
      * @return Zend_Loader_PluginLoader
      */
     public static function resetAdapterLoader()
     {
         self::$_adapterLoader = self::_getDefaultAdapterLoader();
         return self::$_adapterLoader;
     }
 
     /**
      * Returns a default adapter plugin loader
      *
      * @return Zend_Loader_PluginLoader
      */
     protected static function _getDefaultAdapterLoader()
     {
         $loader = new Zend_Loader_PluginLoader();
         $loader->addPrefixPath('Zend_Serializer_Adapter', dirname(__FILE__).'/Serializer/Adapter');
         return $loader;
     }
 
     /**
      * Change the default adapter.
      *
      * @param string|Zend_Serializer_Adapter_AdapterInterface $adapter
      * @param array|Zend_Config $options
      */
     public static function setDefaultAdapter($adapter, $options = array())
     {
         self::$_defaultAdapter = self::factory($adapter, $options);
     }
 
     /**
      * Get the default adapter.
      *
      * @return Zend_Serializer_Adapter_AdapterInterface
      */
     public static function getDefaultAdapter()
     {
         if (!self::$_defaultAdapter instanceof Zend_Serializer_Adapter_AdapterInterface) {
             self::setDefaultAdapter(self::$_defaultAdapter);
         }
         return self::$_defaultAdapter;
     }
 
     /**
      * Generates a storable representation of a value using the default adapter.
      *
      * @param mixed $value
      * @param array $options
      * @return string
      * @throws Zend_Serializer_Exception
      */
     public static function serialize($value, array $options = array())
     {
         if (isset($options['adapter'])) {
             $adapter = self::factory($options['adapter']);
             unset($options['adapter']);
         } else {
             $adapter = self::getDefaultAdapter();
         }
 
         return $adapter->serialize($value, $options);
     }
 
     /**
      * Creates a PHP value from a stored representation using the default adapter.
      *
      * @param string $serialized
      * @param array $options
      * @return mixed
      * @throws Zend_Serializer_Exception
      */
     public static function unserialize($serialized, array $options = array())
     {
         if (isset($options['adapter'])) {
             $adapter = self::factory($options['adapter']);
             unset($options['adapter']);
         } else {
             $adapter = self::getDefaultAdapter();
         }
 
         return $adapter->unserialize($serialized, $options);
     }
 }