Base_Controller::maintenanceEnabled PHP Method

    private function maintenanceEnabled()
    {
        if ($this->config->item('maintenance_mode') === '1') {
            $this->load->library('user');
            if (APPDIR === MAINDIR and $this->uri->rsegment(1) !== 'maintenance' and !$this->user->isLogged()) {
                return TRUE;
            }
        }
    }