mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
synced 2024-11-15 11:28:25 +00:00
117 lines
3.3 KiB
PHP
117 lines
3.3 KiB
PHP
<?php
|
|
/**
|
|
* APC storage engine for cache.
|
|
*
|
|
*
|
|
* PHP 5
|
|
*
|
|
* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
|
|
* Copyright 2005-2011, Cake Software Foundation, Inc. (http://cakefoundation.org)
|
|
*
|
|
* Licensed under The MIT License
|
|
* Redistributions of files must retain the above copyright notice.
|
|
*
|
|
* @copyright Copyright 2005-2011, Cake Software Foundation, Inc. (http://cakefoundation.org)
|
|
* @link http://cakephp.org CakePHP(tm) Project
|
|
* @package Cake.Cache.Engine
|
|
* @since CakePHP(tm) v 1.2.0.4933
|
|
* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
|
|
*/
|
|
|
|
/**
|
|
* APC storage engine for cache
|
|
*
|
|
* @package Cake.Cache.Engine
|
|
*/
|
|
class ApcEngine extends CacheEngine {
|
|
|
|
/**
|
|
* Initialize the Cache Engine
|
|
*
|
|
* Called automatically by the cache frontend
|
|
* To reinitialize the settings call Cache::engine('EngineName', [optional] settings = array());
|
|
*
|
|
* @param array $settings array of setting for the engine
|
|
* @return boolean True if the engine has been successfully initialized, false if not
|
|
* @see CacheEngine::__defaults
|
|
*/
|
|
public function init($settings = array()) {
|
|
parent::init(array_merge(array('engine' => 'Apc', 'prefix' => Inflector::slug(APP_DIR) . '_'), $settings));
|
|
return function_exists('apc_cache_info');
|
|
}
|
|
|
|
/**
|
|
* Write data for key into cache
|
|
*
|
|
* @param string $key Identifier for the data
|
|
* @param mixed $value Data to be cached
|
|
* @param integer $duration How long to cache the data, in seconds
|
|
* @return boolean True if the data was successfully cached, false on failure
|
|
*/
|
|
public function write($key, $value, $duration) {
|
|
if ($duration == 0) {
|
|
$expires = 0;
|
|
} else {
|
|
$expires = time() + $duration;
|
|
}
|
|
apc_store($key.'_expires', $expires, $duration);
|
|
return apc_store($key, $value, $duration);
|
|
}
|
|
|
|
/**
|
|
* Read a key from the cache
|
|
*
|
|
* @param string $key Identifier for the data
|
|
* @return mixed The cached data, or false if the data doesn't exist, has expired, or if there was an error fetching it
|
|
*/
|
|
public function read($key) {
|
|
$time = time();
|
|
$cachetime = intval(apc_fetch($key.'_expires'));
|
|
if ($cachetime !== 0 && ($cachetime < $time || ($time + $this->settings['duration']) < $cachetime)) {
|
|
return false;
|
|
}
|
|
return apc_fetch($key);
|
|
}
|
|
|
|
/**
|
|
* Increments the value of an integer cached key
|
|
*
|
|
* @param string $key Identifier for the data
|
|
* @param integer $offset How much to increment
|
|
* @return New incremented value, false otherwise
|
|
*/
|
|
public function increment($key, $offset = 1) {
|
|
return apc_inc($key, $offset);
|
|
}
|
|
|
|
/**
|
|
* Decrements the value of an integer cached key
|
|
*
|
|
* @param string $key Identifier for the data
|
|
* @param integer $offset How much to subtract
|
|
* @return New decremented value, false otherwise
|
|
*/
|
|
public function decrement($key, $offset = 1) {
|
|
return apc_dec($key, $offset);
|
|
}
|
|
|
|
/**
|
|
* Delete a key from the cache
|
|
*
|
|
* @param string $key Identifier for the data
|
|
* @return boolean True if the value was successfully deleted, false if it didn't exist or couldn't be removed
|
|
*/
|
|
public function delete($key) {
|
|
return apc_delete($key);
|
|
}
|
|
|
|
/**
|
|
* Delete all keys from the cache. This will clear every cache config using APC.
|
|
*
|
|
* @return boolean True if the cache was successfully cleared, false otherwise
|
|
*/
|
|
public function clear($check) {
|
|
return apc_clear_cache('user');
|
|
}
|
|
|
|
}
|