Current File : /home/admin/domains/happytokorea.net/public_html/test/libraries/joomla/cache/storage/xcache.php
<?php
/**
* @package Joomla.Platform
* @subpackage Cache
*
* @copyright Copyright (C) 2005 - 2012 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('JPATH_PLATFORM') or die;
/**
* XCache cache storage handler
*
* @package Joomla.Platform
* @subpackage Cache
* @link http://xcache.lighttpd.net/
* @since 11.1
*/
class JCacheStorageXcache extends JCacheStorage
{
/**
* Get cached data by id and group
*
* @param string $id The cache data id
* @param string $group The cache data group
* @param boolean $checkTime True to verify cache time expiration threshold
*
* @return mixed Boolean false on failure or a cached data string
*
* @since 11.1
*/
public function get($id, $group, $checkTime = true)
{
$cache_id = $this->_getCacheId($id, $group);
$cache_content = xcache_get($cache_id);
if ($cache_content === null)
{
return false;
}
return $cache_content;
}
/**
* Get all cached data
*
* This requires the php.ini setting xcache.admin.enable_auth = Off.
*
* @return array data
*
* @since 11.1
*/
public function getAll()
{
parent::getAll();
$allinfo = xcache_list(XC_TYPE_VAR, 0);
$keys = $allinfo['cache_list'];
$secret = $this->_hash;
$data = array();
foreach ($keys as $key)
{
$namearr = explode('-', $key['name']);
if ($namearr !== false && $namearr[0] == $secret && $namearr[1] == 'cache')
{
$group = $namearr[2];
if (!isset($data[$group]))
{
$item = new JCacheStorageHelper($group);
}
else
{
$item = $data[$group];
}
$item->updateSize($key['size'] / 1024);
$data[$group] = $item;
}
}
return $data;
}
/**
* Store the data by id and group
*
* @param string $id The cache data id
* @param string $group The cache data group
* @param string $data The data to store in cache
*
* @return boolean True on success, false otherwise
*
* @since 11.1
*/
public function store($id, $group, $data)
{
$cache_id = $this->_getCacheId($id, $group);
$store = xcache_set($cache_id, $data, $this->_lifetime);
return $store;
}
/**
* Remove a cached data entry by id and group
*
* @param string $id The cache data id
* @param string $group The cache data group
*
* @return boolean True on success, false otherwise
*
* @since 11.1
*/
public function remove($id, $group)
{
$cache_id = $this->_getCacheId($id, $group);
if (!xcache_isset($cache_id))
{
return true;
}
return xcache_unset($cache_id);
}
/**
* Clean cache for a group given a mode.
*
* This requires the php.ini setting xcache.admin.enable_auth = Off.
*
* @param string $group The cache data group
* @param string $mode The mode for cleaning cache [group|notgroup]
* group mode : cleans all cache in the group
* notgroup mode : cleans all cache not in the group
*
* @return boolean True on success, false otherwise
*
* @since 11.1
*/
public function clean($group, $mode = null)
{
$allinfo = xcache_list(XC_TYPE_VAR, 0);
$keys = $allinfo['cache_list'];
$secret = $this->_hash;
foreach ($keys as $key)
{
if (strpos($key['name'], $secret . '-cache-' . $group . '-') === 0 xor $mode != 'group')
{
xcache_unset($key['name']);
}
}
return true;
}
/**
* Garbage collect expired cache data
*
* This is a dummy, since xcache has built in garbage collector, turn it
* on in php.ini by changing default xcache.gc_interval setting from
* 0 to 3600 (=1 hour)
*
* @return boolean True on success, false otherwise.
*
* @since 11.1
*/
public function gc()
{
/*
$now = time();
$cachecount = xcache_count(XC_TYPE_VAR);
for ($i = 0; $i < $cachecount; $i ++) {
$allinfo = xcache_list(XC_TYPE_VAR, $i);
$keys = $allinfo ['cache_list'];
foreach($keys as $key) {
if (strstr($key['name'], $this->_hash)) {
if (($key['ctime'] + $this->_lifetime ) < $this->_now) xcache_unset($key['name']);
}
}
}
*/
return true;
}
/**
* Test to see if the cache storage is available.
*
* @return boolean True on success, false otherwise.
*
* @since 11.1
*/
public static function test()
{
return (extension_loaded('xcache'));
}
}