diff -r 5b37998e522e -r 162c1de6545a web/lib/Zend/Serializer.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Serializer.php	Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,188 @@
+<?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) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: Serializer.php 20574 2010-01-24 17:39:14Z mabe $
+ */
+
+/** @see Zend_Loader_PluginLoader */
+require_once 'Zend/Loader/PluginLoader.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Serializer
+ * @copyright  Copyright (c) 2005-2010 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);
+    }
+}