diff -r 000000000000 -r 4eba9c11703f web/Zend/Cache/Frontend/File.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/Zend/Cache/Frontend/File.php	Mon Dec 13 18:29:26 2010 +0100
@@ -0,0 +1,218 @@
+<?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_Frontend
+ * @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: File.php 23330 2010-11-14 20:08:09Z mabe $
+ */
+
+
+/**
+ * @see Zend_Cache_Core
+ */
+require_once 'Zend/Cache/Core.php';
+
+
+/**
+ * @package    Zend_Cache
+ * @subpackage Zend_Cache_Frontend
+ * @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_Cache_Frontend_File extends Zend_Cache_Core
+{
+
+    /**
+     * Consts for master_files_mode
+     */
+    const MODE_AND = 'AND';
+    const MODE_OR  = 'OR';
+
+    /**
+     * Available options
+     *
+     * ====> (string) master_file :
+     * - a complete path of the master file
+     * - deprecated (see master_files)
+     *
+     * ====> (array) master_files :
+     * - an array of complete path of master files
+     * - this option has to be set !
+     *
+     * ====> (string) master_files_mode :
+     * - Zend_Cache_Frontend_File::MODE_AND or Zend_Cache_Frontend_File::MODE_OR
+     * - if MODE_AND, then all master files have to be touched to get a cache invalidation
+     * - if MODE_OR (default), then a single touched master file is enough to get a cache invalidation
+     *
+     * ====> (boolean) ignore_missing_master_files
+     * - if set to true, missing master files are ignored silently
+     * - if set to false (default), an exception is thrown if there is a missing master file
+     * @var array available options
+     */
+    protected $_specificOptions = array(
+        'master_file' => null,
+        'master_files' => null,
+        'master_files_mode' => 'OR',
+        'ignore_missing_master_files' => false
+    );
+
+    /**
+     * Master file mtimes
+     *
+     * Array of int
+     *
+     * @var array
+     */
+    private $_masterFile_mtimes = null;
+
+    /**
+     * Constructor
+     *
+     * @param  array $options Associative array of options
+     * @throws Zend_Cache_Exception
+     * @return void
+     */
+    public function __construct(array $options = array())
+    {
+        while (list($name, $value) = each($options)) {
+            $this->setOption($name, $value);
+        }
+        if (!isset($this->_specificOptions['master_files'])) {
+            Zend_Cache::throwException('master_files option must be set');
+        }
+    }
+
+    /**
+     * Change the master_files option
+     *
+     * @param array $masterFiles the complete paths and name of the master files
+     */
+    public function setMasterFiles(array $masterFiles)
+    {
+        $this->_specificOptions['master_file']  = null; // to keep a compatibility
+        $this->_specificOptions['master_files'] = null;
+        $this->_masterFile_mtimes = array();
+
+        clearstatcache();
+        $i = 0;
+        foreach ($masterFiles as $masterFile) {
+            $mtime = @filemtime($masterFile);
+
+            if (!$this->_specificOptions['ignore_missing_master_files'] && !$mtime) {
+                Zend_Cache::throwException('Unable to read master_file : ' . $masterFile);
+            }
+
+            $this->_masterFile_mtimes[$i] = $mtime;
+            $this->_specificOptions['master_files'][$i] = $masterFile;
+            if ($i === 0) { // to keep a compatibility
+                $this->_specificOptions['master_files'] = $masterFile;
+            }
+
+            $i++;
+        }
+    }
+
+    /**
+     * Change the master_file option
+     *
+     * To keep the compatibility
+     *
+     * @deprecated
+     * @param string $masterFile the complete path and name of the master file
+     */
+    public function setMasterFile($masterFile)
+    {
+          $this->setMasterFiles(array($masterFile));
+    }
+
+    /**
+     * Public frontend to set an option
+     *
+     * Just a wrapper to get a specific behaviour for master_file
+     *
+     * @param  string $name  Name of the option
+     * @param  mixed  $value Value of the option
+     * @throws Zend_Cache_Exception
+     * @return void
+     */
+    public function setOption($name, $value)
+    {
+        if ($name == 'master_file') {
+            $this->setMasterFile($value);
+        } else if ($name == 'master_files') {
+            $this->setMasterFiles($value);
+        } else {
+            parent::setOption($name, $value);
+        }
+    }
+
+    /**
+     * Test if a cache is available for the given id and (if yes) return it (false else)
+     *
+     * @param  string  $id                     Cache id
+     * @param  boolean $doNotTestCacheValidity If set to true, the cache validity won't be tested
+     * @param  boolean $doNotUnserialize       Do not serialize (even if automatic_serialization is true) => for internal use
+     * @return mixed|false Cached datas
+     */
+    public function load($id, $doNotTestCacheValidity = false, $doNotUnserialize = false)
+    {
+        if (!$doNotTestCacheValidity) {
+            if ($this->test($id)) {
+                return parent::load($id, true, $doNotUnserialize);
+            }
+            return false;
+        }
+        return parent::load($id, true, $doNotUnserialize);
+    }
+
+    /**
+     * Test if a cache is available for the given id
+     *
+     * @param  string $id Cache id
+     * @return int|false Last modified time of cache entry if it is available, false otherwise
+     */
+    public function test($id)
+    {
+        $lastModified = parent::test($id);
+        if ($lastModified) {
+            if ($this->_specificOptions['master_files_mode'] == self::MODE_AND) {
+                // MODE_AND
+                foreach($this->_masterFile_mtimes as $masterFileMTime) {
+                    if ($masterFileMTime) {
+                        if ($lastModified > $masterFileMTime) {
+                            return $lastModified;
+                        }
+                    }
+                }
+            } else {
+                // MODE_OR
+                $res = true;
+                foreach($this->_masterFile_mtimes as $masterFileMTime) {
+                    if ($masterFileMTime) {
+                        if ($lastModified <= $masterFileMTime) {
+                            return false;
+                        }
+                    }
+                }
+                return $lastModified;
+            }
+        }
+        return false;
+    }
+
+}
+