Project::canModifyTask

private function canModifyTask($task)
{
	// no deal with tasks with no created date, skip the subtree
	if((string) $task['CREATED_DATE'] == '')
	{
		return false;
	}

	$instance = CTaskItem::getInstance($task['ID'], $this->getUserId()); // todo: user should come from outside
	return $instance->checkAccess(ActionDictionary::ACTION_TASK_DEADLINE);
}