/** * Garbage collect stale sessions from the SessionHandler backend. * * @param integer $lifetime The maximum age of a session. * * @throws \Exception * @return boolean True on success, false otherwise. * * @since 2.0 */ public function gc($lifetime = 1440) { // Determine the timestamp threshold with which to purge old sessions. $past = time() - $lifetime; try { return $this->db->gc($past); } catch (\Exception $e) { throw $e; } }