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3f2fa6929b
Removing address and replacing with cakefoundation url git-svn-id: https://svn.cakephp.org/repo/branches/1.2.x.x@7805 3807eeeb-6ff5-0310-8944-8be069107fe0
97 lines
No EOL
2.9 KiB
PHP
97 lines
No EOL
2.9 KiB
PHP
<?php
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/* SVN FILE: $Id$ */
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/**
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* APC storage engine for cache.
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*
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*
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* PHP versions 4 and 5
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*
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* CakePHP(tm) : Rapid Development Framework (http://www.cakephp.org)
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* Copyright 2005-2008, Cake Software Foundation, Inc. (http://www.cakefoundation.org)
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*
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* Licensed under The MIT License
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* Redistributions of files must retain the above copyright notice.
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*
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* @filesource
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* @copyright Copyright 2005-2008, Cake Software Foundation, Inc. (http://www.cakefoundation.org)
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* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP(tm) Project
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* @package cake
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* @subpackage cake.cake.libs.cache
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* @since CakePHP(tm) v 1.2.0.4933
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* @version $Revision$
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* @modifiedby $LastChangedBy$
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* @lastmodified $Date$
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* @license http://www.opensource.org/licenses/mit-license.php The MIT License
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*/
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/**
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* APC storage engine for cache
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*
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* @package cake
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* @subpackage cake.cake.libs.cache
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*/
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class ApcEngine extends CacheEngine {
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/**
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* Initialize the Cache Engine
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*
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* Called automatically by the cache frontend
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* To reinitialize the settings call Cache::engine('EngineName', [optional] settings = array());
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*
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* @param array $setting array of setting for the engine
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* @return boolean True if the engine has been successfully initialized, false if not
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* @see CacheEngine::__defaults
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* @access public
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*/
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function init($settings = array()) {
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parent::init(array_merge(array('engine' => 'Apc', 'prefix' => Inflector::slug(APP_DIR) . '_'), $settings));
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return function_exists('apc_cache_info');
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}
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/**
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* Write data for key into cache
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*
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* @param string $key Identifier for the data
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* @param mixed $value Data to be cached
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* @param integer $duration How long to cache the data, in seconds
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* @return boolean True if the data was succesfully cached, false on failure
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* @access public
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*/
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function write($key, &$value, $duration) {
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$expires = time() + $duration;
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apc_store($key.'_expires', $expires, $duration);
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return apc_store($key, $value, $duration);
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}
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/**
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* Read a key from the cache
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*
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* @param string $key Identifier for the data
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* @return mixed The cached data, or false if the data doesn't exist, has expired, or if there was an error fetching it
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* @access public
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*/
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function read($key) {
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$time = time();
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$cachetime = intval(apc_fetch($key.'_expires'));
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if ($cachetime < $time || ($time + $this->settings['duration']) < $cachetime) {
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return false;
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}
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return apc_fetch($key);
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}
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/**
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* Delete a key from the cache
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*
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* @param string $key Identifier for the data
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* @return boolean True if the value was succesfully deleted, false if it didn't exist or couldn't be removed
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* @access public
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*/
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function delete($key) {
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return apc_delete($key);
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}
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/**
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* Delete all keys from the cache
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*
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* @return boolean True if the cache was succesfully cleared, false otherwise
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* @access public
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*/
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function clear() {
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return apc_clear_cache('user');
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}
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}
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?>
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