--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Cache/Backend/Interface.php	Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,99 @@
+<?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_Cache
+ * @subpackage Zend_Cache_Backend
+ * @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: Interface.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+
+/**
+ * @package    Zend_Cache
+ * @subpackage Zend_Cache_Backend
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+interface Zend_Cache_Backend_Interface
+{
+    /**
+     * Set the frontend directives
+     *
+     * @param array $directives assoc of directives
+     */
+    public function setDirectives($directives);
+
+    /**
+     * Test if a cache is available for the given id and (if yes) return it (false else)
+     *
+     * Note : return value is always "string" (unserialization is done by the core not by the backend)
+     *
+     * @param  string  $id                     Cache id
+     * @param  boolean $doNotTestCacheValidity If set to true, the cache validity won't be tested
+     * @return string|false cached datas
+     */
+    public function load($id, $doNotTestCacheValidity = false);
+
+    /**
+     * Test if a cache is available or not (for the given id)
+     *
+     * @param  string $id cache id
+     * @return mixed|false (a cache is not available) or "last modified" timestamp (int) of the available cache record
+     */
+    public function test($id);
+
+    /**
+     * Save some string datas into a cache record
+     *
+     * Note : $data is always "string" (serialization is done by the
+     * core not by the backend)
+     *
+     * @param  string $data            Datas to cache
+     * @param  string $id              Cache id
+     * @param  array $tags             Array of strings, the cache record will be tagged by each string entry
+     * @param  int   $specificLifetime If != false, set a specific lifetime for this cache record (null => infinite lifetime)
+     * @return boolean true if no problem
+     */
+    public function save($data, $id, $tags = array(), $specificLifetime = false);
+
+    /**
+     * Remove a cache record
+     *
+     * @param  string $id Cache id
+     * @return boolean True if no problem
+     */
+    public function remove($id);
+
+    /**
+     * Clean some cache records
+     *
+     * Available modes are :
+     * Zend_Cache::CLEANING_MODE_ALL (default)    => remove all cache entries ($tags is not used)
+     * Zend_Cache::CLEANING_MODE_OLD              => remove too old cache entries ($tags is not used)
+     * Zend_Cache::CLEANING_MODE_MATCHING_TAG     => remove cache entries matching all given tags
+     *                                               ($tags can be an array of strings or a single string)
+     * Zend_Cache::CLEANING_MODE_NOT_MATCHING_TAG => remove cache entries not {matching one of the given tags}
+     *                                               ($tags can be an array of strings or a single string)
+     * Zend_Cache::CLEANING_MODE_MATCHING_ANY_TAG => remove cache entries matching any given tags
+     *                                               ($tags can be an array of strings or a single string)
+     *
+     * @param  string $mode Clean mode
+     * @param  array  $tags Array of tags
+     * @return boolean true if no problem
+     */
+    public function clean($mode = Zend_Cache::CLEANING_MODE_ALL, $tags = array());
+
+}