/**
* Cleans cache.
*
* @param bool $only_expired - Only clean expired entries
*/
public function clean($only_expired = true)
{
if (!$only_expired) {
$this->memcached->flush();
$this->cleanNow();
$this->events = array();
if (self::$cacheLogging) {
$this->logCacheAction(0, self::CACHE_LOG_CLEAR, $this->cachetype);
}
}
}