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| <?php | |
| /** | |
| * | |
| * This file is part of the phpBB Forum Software package. | |
| * | |
| * @copyright (c) phpBB Limited <https://www.phpbb.com> | |
| * @license GNU General Public License, version 2 (GPL-2.0) | |
| * | |
| * For full copyright and license information, please see | |
| * the docs/CREDITS.txt file. | |
| * | |
| */ | |
| namespace phpbb\cache\driver; | |
| /** | |
| * ACM for XCache | |
| * | |
| * To use this module you need ini_get() enabled and the following INI settings configured as follows: | |
| * - xcache.var_size > 0 | |
| * - xcache.admin.enable_auth = off (or xcache.admin.user and xcache.admin.password set) | |
| * | |
| */ | |
| class xcache extends \phpbb\cache\driver\memory | |
| { | |
| var $extension = 'XCache'; | |
| function __construct() | |
| { | |
| parent::__construct(); | |
| if (!function_exists('ini_get') || (int) ini_get('xcache.var_size') <= 0) | |
| { | |
| trigger_error('Increase xcache.var_size setting above 0 or enable ini_get() to use this ACM module.', E_USER_ERROR); | |
| } | |
| } | |
| /** | |
| * {@inheritDoc} | |
| */ | |
| function purge() | |
| { | |
| // Run before for XCache, if admin functions are disabled it will terminate execution | |
| parent::purge(); | |
| // If the admin authentication is enabled but not set up, this will cause a nasty error. | |
| // Not much we can do about it though. | |
| $n = xcache_count(XC_TYPE_VAR); | |
| for ($i = 0; $i < $n; $i++) | |
| { | |
| xcache_clear_cache(XC_TYPE_VAR, $i); | |
| } | |
| } | |
| /** | |
| * Fetch an item from the cache | |
| * | |
| * @access protected | |
| * @param string $var Cache key | |
| * @return mixed Cached data | |
| */ | |
| function _read($var) | |
| { | |
| $result = xcache_get($this->key_prefix . $var); | |
| return ($result !== null) ? $result : false; | |
| } | |
| /** | |
| * Store data in the cache | |
| * | |
| * @access protected | |
| * @param string $var Cache key | |
| * @param mixed $data Data to store | |
| * @param int $ttl Time-to-live of cached data | |
| * @return bool True if the operation succeeded | |
| */ | |
| function _write($var, $data, $ttl = 2592000) | |
| { | |
| return xcache_set($this->key_prefix . $var, $data, $ttl); | |
| } | |
| /** | |
| * Remove an item from the cache | |
| * | |
| * @access protected | |
| * @param string $var Cache key | |
| * @return bool True if the operation succeeded | |
| */ | |
| function _delete($var) | |
| { | |
| return xcache_unset($this->key_prefix . $var); | |
| } | |
| /** | |
| * Check if a cache var exists | |
| * | |
| * @access protected | |
| * @param string $var Cache key | |
| * @return bool True if it exists, otherwise false | |
| */ | |
| function _isset($var) | |
| { | |
| return xcache_isset($this->key_prefix . $var); | |
| } | |
| } |