ShiftWithDate::isEligibleToStart

public function isEligibleToStart(DateTime $userDateTime)
{
	if ($userDateTime->getTimestamp() >= $this->dateTimeStart->getTimestamp() - $this->getMaxStartOffset()
		&& $userDateTime->getTimestamp() <= $this->dateTimeEnd->getTimestamp() + $this->getMaxEndOffset()
	)
	{
		return true;
	}
	return false;
}