ScheduleFormHelper::getSign

private function getSign($parentSign, $code, $signMap)
{
	if (
		($signMap[$code] ?? null) === 'excludedByParent'
		&& (
			$parentSign == 'includedPersonal'
			|| $parentSign == 'includedByParent'
		)
	)
	{
		return $this->buildSign($parentSign);
	}

	if (!array_key_exists($code, $signMap))
	{
		return $this->buildSign($parentSign);
	}

	return $signMap[$code];
}