is::matchWorkingTime

protected function matchWorkingTime($taskId, DateTime $startDate = null, Datetime $endDate = null, $duration = null)
{
	$task = $this->taskPool[$taskId];

	if ($this->taskPool[$taskId]['MATCH_WORK_TIME'] != 'Y')
	{
		/*
		print_r('Actual moving '.$taskId.' to:'.PHP_EOL);
		print_r($task['START_DATE_PLAN']->getInfoGmt().PHP_EOL);
		print_r($task['END_DATE_PLAN']->getInfoGmt().PHP_EOL);
		*/

		return; // do nothing, dates are okay already
	}
	else
	{
		if ($startDate && $endDate)
		{
			$this->correctWorkTime($taskId, $startDate, $endDate, $duration);
		}
		elseif($startDate)
		{
			$task->setStartDatePlanUserTimeGmt($this->calendar->getClosestWorkTime($startDate, true)->toStringGmt());

			$start = $task->getStartDatePlanGmt(true);
			$end = $task->getEndDatePlanGmt();

			if ($start->checkGT($end))
			{
				$task->setEndDatePlanUserTimeGmt($this->calendar->calculateEndDate($startDate, $end->getTimestamp() - $startDate->getTimestamp())->toStringGmt());
			}
		}
		else if ($endDate)
		{
			$task->setEndDatePlanUserTimeGmt($this->calendar->getClosestWorkTime($endDate, false)->toStringGmt());

			$start = $task->getStartDatePlanGmt(true);
			$end = $task->getEndDatePlanGmt();

			if ($start->checkGT($end))
			{
				$task->setStartDatePlanUserTimeGmt($this->calendar->calculateStartDate($end, $endDate->getTimestamp() - $start->getTimestamp())->toStringGmt());
			}
		}
	}
}