Topic::headAction

public function headAction($topicId)
{
	if (($topic = ForumTopic::getById($topicId)) !== null)
	{
		global $USER;
		$user = ForumUser::getById($USER->GetID());
		if ($user->canReadTopic($topic))
		{
			return $topic->getData();
		}
	}
	return null;
}