cakephp2-php8/cake/libs/cache/apc_engine.php
2007-04-30 06:01:54 +00:00

84 lines
No EOL
2.3 KiB
PHP

<?php
/* SVN FILE: $Id$ */
/**
* APC storage engine for cache.
*
*
* PHP versions 4 and 5
*
* CakePHP(tm) : Rapid Development Framework <http://www.cakephp.org/>
* Copyright 2005-2007, Cake Software Foundation, Inc.
* 1785 E. Sahara Avenue, Suite 490-204
* Las Vegas, Nevada 89104
*
* Licensed under The MIT License
* Redistributions of files must retain the above copyright notice.
*
* @filesource
* @copyright Copyright 2005-2007, Cake Software Foundation, Inc.
* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP(tm) Project
* @package cake
* @subpackage cake.cake.libs.cache
* @since CakePHP(tm) v 1.2.0.4933
* @version $Revision$
* @modifiedby $LastChangedBy$
* @lastmodified $Date$
* @license http://www.opensource.org/licenses/mit-license.php The MIT License
*/
/**
* APC storage engine for cache
*
* @package cake
* @subpackage cake.cake.libs.cache
*/
class APCEngine extends CacheEngine {
/**
* Set up the cache engine
*
* Called automatically by the cache frontend
*
* @param array $params Associative array of parameters for the engine
* @return boolean True if the engine has been succesfully initialized, false if not
*/
function init(&$params) {
return function_exists('apc_cache_info');
}
/**
* Write a value in the cache
*
* @param string $key Identifier for the data
* @param mixed $value Data to be cached
* @param int $duration How long to cache the data, in seconds
* @return boolean True if the data was succesfully cached, false on failure
*/
function write($key, &$value, $duration = CACHE_DEFAULT_DURATION) {
return apc_store($key, $value, $duration);
}
/**
* Read a value from the cache
*
* @param string $key Identifier for the data
* @return mixed The cached data, or false if the data doesn't exist, has expired, or if there was an error fetching it
*/
function read($key) {
return apc_fetch($key);
}
/**
* Delete a value from the cache
*
* @param string $key Identifier for the data
* @return boolean True if the value was succesfully deleted, false if it didn't exist or couldn't be removed
*/
function delete($key) {
return apc_delete($key);
}
/**
* Delete all values from the cache
*
* @return boolean True if the cache was succesfully cleared, false otherwise
*/
function clear() {
return apc_clear_cache('user');
}
}
?>