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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 WinCache
*/
class wincache extends \phpbb\cache\driver\memory
{
    var $extension = 'wincache';
    /**
    * {@inheritDoc}
    */
    function purge()
    {
        wincache_ucache_clear();
        parent::purge();
    }
    /**
    * Fetch an item from the cache
    *
    * @access protected
    * @param string $var Cache key
    * @return mixed Cached data
    */
    function _read($var)
    {
        $success = false;
        $result = wincache_ucache_get($this->key_prefix . $var, $success);
        return ($success) ? $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, $ttl = 2592000)
    {
        return wincache_ucache_set($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 wincache_ucache_delete($this->key_prefix . $var);
    }
}