Source code for file /joomla/cache/storage/eaccelerator.php
Documentation is available at eaccelerator.php
* @version $Id: eaccelerator.php 10707 2008-08-21 09:52:47Z eddieajau $
* @package Joomla.Framework
* @copyright Copyright (C) 2005 - 2008 Open Source Matters. All rights reserved.
* @license GNU/GPL, see LICENSE.php
* Joomla! is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
// Check to ensure this file is within the rest of the framework
* eAccelerator cache storage handler
* @package Joomla.Framework
* @param array $options optional parameters
$this->_hash =
$config->getValue('config.secret');
* Get cached data by id and group
* @param string $id The cache data id
* @param string $group The cache data group
* @param boolean $checkTime True to verify cache time expiration threshold
* @return mixed Boolean false on failure or a cached data string
function get($id, $group, $checkTime)
$cache_id =
$this->_getCacheId($id, $group);
$this->_setExpire($cache_id);
$cache_content =
eaccelerator_get($cache_id);
if($cache_content ===
null)
* Store the data to by id and group
* @param string $id The cache data id
* @param string $group The cache data group
* @param string $data The data to store in cache
* @return boolean True on success, false otherwise
function store($id, $group, $data)
$cache_id =
$this->_getCacheId($id, $group);
eaccelerator_put($cache_id.
'_expire', time());
return eaccelerator_put($cache_id, $data, $this->_lifetime);
* Remove a cached data entry by id and group
* @param string $id The cache data id
* @param string $group The cache data group
* @return boolean True on success, false otherwise
$cache_id =
$this->_getCacheId($id, $group);
eaccelerator_rm($cache_id.
'_expire');
return eaccelerator_rm($cache_id);
* Clean cache for a group given a mode.
* group mode : cleans all cache in the group
* notgroup mode : cleans all cache not in the group
* @param string $group The cache data group
* @param string $mode The mode for cleaning cache [group|notgroup]
* @return boolean True on success, false otherwise
function clean($group, $mode)
* Garbage collect expired cache data
* @return boolean True on success, false otherwise.
return eaccelerator_gc();
* Test to see if the cache storage is available.
* @return boolean True on success, false otherwise.
* Set expire time on each call since memcache sets it on cache creation.
* @param string $key Cache key to expire.
* @param integer $lifetime Lifetime of the data in seconds.
function _setExpire($key)
$lifetime =
$this->_lifetime;
$expire =
eaccelerator_get($key.
'_expire');
if ($expire +
$lifetime <
time()) {
eaccelerator_rm($key.
'_expire');
eaccelerator_put($key.
'_expire', time());
* Get a cache_id string from an id/group pair
* @param string $id The cache data id
* @param string $group The cache data group
* @return string The cache_id string
function _getCacheId($id, $group)
$name =
md5($this->_application.
'-'.
$id.
'-'.
$this->_hash.
'-'.
$this->_language);
return 'cache_'.
$group.
'-'.
$name;