کم کردن حجم کد

سلام
راهی هست به نظرتون که حجم این کد کمتر بشه ؟

$this->startDay1Time = $this->classRoom->startDay1Time;
        $this->startDay2Time = $this->classRoom->startDay2Time;
        $this->startDay3Time = $this->classRoom->startDay3Time;
        $this->startDay4Time = $this->classRoom->startDay4Time;
        $this->startDay5Time = $this->classRoom->startDay5Time;
        $this->startDay6Time = $this->classRoom->startDay6Time;
        $this->startDay7Time = $this->classRoom->startDay7Time;
        $this->endDay1Time = $this->classRoom->endDay1Time;
        $this->endDay2Time = $this->classRoom->endDay2Time;
        $this->endDay3Time = $this->classRoom->endDay3Time;
        $this->endDay4Time = $this->classRoom->endDay4Time;
        $this->endDay5Time = $this->classRoom->endDay5Time;
        $this->endDay6Time = $this->classRoom->endDay6Time;
        $this->endDay7Time = $this->classRoom->endDay7Time;