WorktimeRestrictionsForm::convertToSecondsIfNoErrors

private function convertToSecondsIfNoErrors($fieldFromName, $saveToName)
{
	if ($this->issetValue($this->$saveToName) || $this->$fieldFromName === null)
	{
		return;
	}
	if (!$this->hasErrors($fieldFromName))
	{
		$this->$saveToName = $this->convertFormattedTimeToSeconds($this->$fieldFromName);
	}
	else
	{
		$this->$saveToName = -1;
	}
}