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<?php
/**
*
* @package acm
* @version $Id$
* @copyright (c) 2005, 2009 phpBB Group
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
*
*/
/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
exit;
}
// Include the abstract base
if (!class_exists('acm_memory'))
{
require("${phpbb_root_path}includes/acm/acm_memory.$phpEx");
}
/**
* ACM for XCache
* @package acm
*/
class acm extends acm_memory
{
function acm()
{
// Call the parent constructor
parent::acm_memory();
}
/**
* Purge cache data
*
* @return void
*/
function purge()
{
$n = xcache_count(XC_TYPE_VAR);
for ($i = 0; $i < $n; $i++)
{
xcache_clear_cache(XC_TYPE_VAR, $i);
}
parent::purge();
}
/**
* Fetch an item from the cache
*
* @access protected
* @param string $var Cache key
* @return mixed Cached data
*/
function _read($var)
{
return xcache_get($var);
}
/**
* Store data in the cache
*
* @access protected
* @param string $var Cache key
* @param mixed $data Data to store
* @param int $ttl Time-to-live of cached data
* @return bool True if the operation succeeded
*/
function _write($var, $data, $ttl = 2592000)
{
return xcache_set($var, $data, $ttl);
}
/**
* Remove an item from the cache
*
* @access protected
* @param string $var Cache key
* @return bool True if the operation succeeded
*/
function _delete($var)
{
return xcache_unset($var);
}
/**
* Check if a cache var exists
*
* @access protected
* @param string $var Cache key
* @return bool True if it exists, otherwise false
*/
function _isset($var)
{
// Most caches don't need to check
return xcache_isset($var);
}
}
?>
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