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<?php
/**
*
* @package acm
* @copyright (c) 2005, 2009 phpBB Group
* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
*
*/
/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
exit;
}
/**
* ACM for APC
* @package acm
*/
class phpbb_cache_driver_apc extends phpbb_cache_driver_memory
{
var $extension = 'apc';
/**
* Purge cache data
*
* @return null
*/
function purge()
{
apc_clear_cache('user');
parent::purge();
}
/**
* Fetch an item from the cache
*
* @access protected
* @param string $var Cache key
* @return mixed Cached data
*/
function _read($var)
{
return apc_fetch($this->key_prefix . $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, $ttl = 2592000)
{
return apc_store($this->key_prefix . $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 apc_delete($this->key_prefix . $var);
}
}
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