Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with
or
.
Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

139 lines (128 sloc) 3.875 kB
<?php
/**
* Wincache storage engine for cache.
*
* Supports wincache 1.1.0 and higher.
*
* 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)
*/
/**
* Wincache storage engine for cache
*
* @package Cake.Cache.Engine
*/
class WincacheEngine 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' => 'Wincache',
'prefix' => Inflector::slug(APP_DIR) . '_'),
$settings));
return function_exists('wincache_ucache_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) {
$expires = time() + $duration;
$data = array(
$key . '_expires' => $expires,
$key => $value
);
$result = wincache_ucache_set($data, null, $duration);
return empty($result);
}
/**
* 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();
$cachetime = intval(wincache_ucache_get($key . '_expires'));
if ($cachetime < $time || ($time + $this->settings['duration']) < $cachetime) {
return false;
}
return wincache_ucache_get($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, $offset = 1) {
return wincache_ucache_inc($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, $offset = 1) {
return wincache_ucache_dec($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 wincache_ucache_delete($key);
}
/**
* Delete all keys from the cache. This will clear every
* item in the cache matching the cache config prefix.
*
*
* @param boolean $check If true, nothing will be cleared, as entries will
* naturally expire in wincache..
* @return boolean True Returns true.
*/
public function clear($check) {
if ($check) {
return true;
}
$info = wincache_ucache_info();
$cacheKeys = $info['ucache_entries'];
unset($info);
foreach ($cacheKeys as $key) {
if (strpos($key['key_name'], $this->settings['prefix']) === 0) {
wincache_ucache_delete($key['key_name']);
}
}
return true;
}
}
Jump to Line
Something went wrong with that request. Please try again.