| 1: | <?php |
| 2: | /** |
| 3: | * Cache engine For XOOPS |
| 4: | * |
| 5: | * You may not change or alter any portion of this comment or credits |
| 6: | * of supporting developers from this source code or any supporting source code |
| 7: | * which is considered copyrighted (c) material of the original comment or credit authors. |
| 8: | * This program is distributed in the hope that it will be useful, |
| 9: | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10: | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| 11: | * |
| 12: | * @copyright (c) 2000-2016 XOOPS Project (www.xoops.org) |
| 13: | * @license GNU GPL 2 (https://www.gnu.org/licenses/gpl-2.0.html) |
| 14: | * @package class |
| 15: | * @subpackage cache |
| 16: | * @since 2.3.0 |
| 17: | * @author Taiwen Jiang <phppp@users.sourceforge.net> |
| 18: | */ |
| 19: | defined('XOOPS_ROOT_PATH') || exit('Restricted access'); |
| 20: | |
| 21: | /** |
| 22: | * APC storage engine for cache. |
| 23: | * |
| 24: | * |
| 25: | * PHP versions 4 and 5 |
| 26: | * |
| 27: | * CakePHP(tm) : Rapid Development Framework <https://www.cakephp.org/> |
| 28: | * Copyright 2005-2008, Cake Software Foundation, Inc. |
| 29: | * 1785 E. Sahara Avenue, Suite 490-204 |
| 30: | * Las Vegas, Nevada 89104 |
| 31: | * |
| 32: | * Licensed under The MIT License |
| 33: | * Redistributions of files must retain the above copyright notice. |
| 34: | * |
| 35: | * @filesource |
| 36: | * @copyright Copyright 2005-2008, Cake Software Foundation, Inc. |
| 37: | * @link https://www.cakefoundation.org/projects/info/cakephp CakePHP(tm) Project |
| 38: | * @package cake |
| 39: | * @subpackage cake.cake.libs.cache |
| 40: | * @since CakePHP(tm) v 1.2.0.4933 |
| 41: | * @modifiedby $LastChangedBy$ |
| 42: | * @lastmodified $Date$ |
| 43: | * @license https://www.opensource.org/licenses/mit-license.php The MIT License |
| 44: | */ |
| 45: | |
| 46: | /** |
| 47: | * APC storage engine for cache |
| 48: | * |
| 49: | * @package cake |
| 50: | * @subpackage cake.cake.libs.cache |
| 51: | */ |
| 52: | class XoopsCacheApc extends XoopsCacheEngine |
| 53: | { |
| 54: | /** |
| 55: | * Initialize the Cache Engine |
| 56: | * |
| 57: | * Called automatically by the cache frontend |
| 58: | * To reinitialize the settings call Cache::engine('EngineName', [optional] settings = array()); |
| 59: | * |
| 60: | * @param array $settings array of setting for the engine |
| 61: | * |
| 62: | * @return boolean True if the engine has been successfully initialized, false if not |
| 63: | * @see CacheEngine::__defaults |
| 64: | * @access public |
| 65: | */ |
| 66: | public function init($settings = array()) |
| 67: | { |
| 68: | parent::init($settings); |
| 69: | |
| 70: | return function_exists('apc_cache_info'); |
| 71: | } |
| 72: | |
| 73: | /** |
| 74: | * Write data for key into cache |
| 75: | * |
| 76: | * @param string $key Identifier for the data |
| 77: | * @param mixed $value Data to be cached |
| 78: | * @param integer $duration How long to cache the data, in seconds |
| 79: | * @return bool|array Returns TRUE on success or FALSE on failure | array with error keys. |
| 80: | * @access public |
| 81: | */ |
| 82: | public function write($key, $value, $duration = null) |
| 83: | { |
| 84: | return apc_store($key, $value, $duration); |
| 85: | } |
| 86: | |
| 87: | /** |
| 88: | * Read a key from the cache |
| 89: | * |
| 90: | * @param string $key Identifier for the data |
| 91: | * @return mixed The cached data, or false if the data doesn't exist, has expired, or if there was an error fetching it |
| 92: | * @access public |
| 93: | */ |
| 94: | public function read($key) |
| 95: | { |
| 96: | return apc_fetch($key); |
| 97: | } |
| 98: | |
| 99: | /** |
| 100: | * Delete a key from the cache |
| 101: | * |
| 102: | * @param string $key Identifier for the data |
| 103: | * @return bool|string[] Returns TRUE on success or FALSE on failure. For array of keys returns list of failed keys. |
| 104: | * @access public |
| 105: | */ |
| 106: | public function delete($key) |
| 107: | { |
| 108: | return apc_delete($key); |
| 109: | } |
| 110: | |
| 111: | /** |
| 112: | * Delete all keys from the cache |
| 113: | * |
| 114: | * @return boolean True if the cache was successfully cleared, false otherwise |
| 115: | * @access public |
| 116: | */ |
| 117: | public function clear($check = null) |
| 118: | { |
| 119: | return apc_clear_cache('user'); |
| 120: | } |
| 121: | } |
| 122: |