ObjectPathTable::isLeaf

static function isLeaf($objectId)
{
	$objectId = (int)$objectId;

	$paths = static::getList(array(
		'select' => array('ID'),
		'filter' => array(
			'!=OBJECT_ID' => $objectId,
			'PARENT_ID' => $objectId,
		),
		'limit' => 1,
	))->fetch();

	return empty($paths);
}