/**
* Garbage Collector
*
* @param string $maxlifetime Time in seconds until a session expires
*
* @return bool
*/
public function gc($maxlifetime)
{
$mintime = time();
$qb = $this->db->createXoopsQueryBuilder();
$eb = $qb->expr();
$qb->deletePrefix($this->sessionTable)->where($eb->lt('expires_at', ':expires'))->setParameter(':expires', $mintime, \PDO::PARAM_INT);
$this->db->setForce(true);
return $qb->execute();
}
