elFinder::session_expires PHP Method

    private function session_expires()
    {
        if (!($last = $this->session->get(':LAST_ACTIVITY'))) {
            $this->session->set(':LAST_ACTIVITY', time());
            return false;
        }
        if ($this->timeout > 0 && time() - $last > $this->timeout) {
            return true;
        }
        $this->session->set(':LAST_ACTIVITY', time());
        return false;
    }