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<?php

/**
 * Simple Machines Forum (SMF)
 *
 * @package SMF
 * @author Simple Machines https://www.simplemachines.org
 * @copyright 2022 Simple Machines and individual contributors
 * @license https://www.simplemachines.org/about/smf/license.php BSD
 *
 * @version 2.1.0
 */

namespace SMF\Cache\APIs;

use SMF\Cache\CacheApi;
use SMF\Cache\CacheApiInterface;

if (!defined('SMF'))
	die('No direct access...');

/**
 * Our Cache API class
 *
 * @package CacheAPI
 */
class Apcu extends CacheApi implements CacheApiInterface
{
	/**
	 * {@inheritDoc}
	 */
	public function isSupported($test = false)
	{
		$supported = function_exists('apcu_fetch') && function_exists('apcu_store');

if ($test)
			return $supported;

return parent::isSupported() && $supported;
	}

/**
	 * {@inheritDoc}
	 */
	public function connect()
	{
		return true;
	}

/**
	 * {@inheritDoc}
	 */
	public function getData($key, $ttl = null)
	{
		$key = $this->prefix . strtr($key, ':/', '-_');

$value = apcu_fetch($key . 'smf');

return !empty($value) ? $value : null;
	}

/**
	 * {@inheritDoc}
	 */
	public function putData($key, $value, $ttl = null)
	{
		$key = $this->prefix . strtr($key, ':/', '-_');

// An extended key is needed to counteract a bug in APC.
		if ($value === null)
			return apcu_delete($key . 'smf');

else
			return apcu_store($key . 'smf', $value, $ttl !== null ? $ttl : $this->ttl);
	}

/**
	 * {@inheritDoc}
	 */
	public function cleanCache($type = '')
	{
		$this->invalidateCache();

return apcu_clear_cache();
	}

/**
	 * {@inheritDoc}
	 */
	public function getVersion()
	{
		return phpversion('apcu');
	}
}

[+] ..
[-] Sqlite.php [edit]
[-] FileBased.php [edit]
[-] MemcacheImplementation.php [edit]
[-] Postgres.php [edit]
[-] Zend.php [edit]
[-] Apcu.php [edit]
[-] MemcachedImplementation.php [edit]