TaskFieldHandler::isDatesChanged

public function isDatesChanged(): bool
{
	if (!$this->taskData)
	{
		return false;
	}

	if (
		!array_key_exists('START_DATE_PLAN', $this->fields)
		&& !array_key_exists('END_DATE_PLAN', $this->fields)
	)
	{
		return false;
	}

	if ((string)$this->taskData['START_DATE_PLAN'] !== (string)$this->fields['START_DATE_PLAN'])
	{
		return true;
	}

	if ((string)$this->taskData['END_DATE_PLAN'] !== (string)$this->fields['END_DATE_PLAN'])
	{
		return true;
	}

	return false;
}