OphTrOperationbooking_Operation_Sequence::compareStartdateWithWeekday PHP Method

    public function compareStartdateWithWeekday()
    {
        try {
            $start_date = new DateTime($this->start_date);
        } catch (Exception $e) {
            $this->addError('start_date', 'Start date format error');
        }
        if ($this->weekday != $start_date->format('N')) {
            $this->addError('start_date', 'Start date and weekday must be on the same day of the week');
        }
    }