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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 eAccelerator | |
| * @todo Missing locks from destroy() talk with David | |
| */ | |
| class eaccelerator extends \phpbb\cache\driver\memory | |
| { | |
| var $extension = 'eaccelerator'; | |
| var $function = 'eaccelerator_get'; | |
| var $serialize_header = '#phpbb-serialized#'; | |
| /** | |
| * {@inheritDoc} | |
| */ | |
| function purge() | |
| { | |
| foreach (eaccelerator_list_keys() as $var) | |
| { | |
| // @todo Check why the substr() | |
| // @todo Only unset vars matching $this->key_prefix | |
| eaccelerator_rm(substr($var['name'], 1)); | |
| } | |
| parent::purge(); | |
| } | |
| /** | |
| * {@inheritDoc} | |
| */ | |
| function tidy() | |
| { | |
| global $config; | |
| eaccelerator_gc(); | |
| $config->set('cache_last_gc', time(), false); | |
| } | |
| /** | |
| * Fetch an item from the cache | |
| * | |
| * @access protected | |
| * @param string $var Cache key | |
| * @return mixed Cached data | |
| */ | |
| function _read($var) | |
| { | |
| $result = eaccelerator_get($this->key_prefix . $var); | |
| if ($result === null) | |
| { | |
| return false; | |
| } | |
| // Handle serialized objects | |
| if (is_string($result) && strpos($result, $this->serialize_header . 'O:') === 0) | |
| { | |
| $result = unserialize(substr($result, strlen($this->serialize_header))); | |
| } | |
| return $result; | |
| } | |
| /** | |
| * 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) | |
| { | |
| // Serialize objects and make them easy to detect | |
| $data = (is_object($data)) ? $this->serialize_header . serialize($data) : $data; | |
| return eaccelerator_put($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 eaccelerator_rm($this->key_prefix . $var); | |
| } | |
| } |