public function __construct(Timetable $timetable) { parent::__construct($timetable); if (is_null($this->timetable)) { $this->throwException('No timetable loaded'); } }
public function __construct(Timetable $timetable) { if (is_null($timetable)) { $this->throwException("No timetable set"); } $this->timetable = $timetable; parent::__construct(); }