CIBlockDocument::getDocumentName

static function getDocumentName($documentId)
{
	$documentId = intval($documentId);
	if ($documentId <= 0)
		throw new CBPArgumentNullException("documentId");

	$db = CIBlockElement::GetList(
		array(),
		array("ID" => $documentId, "SHOW_NEW"=>"Y", "SHOW_HISTORY" => "Y"),
		false,
		false,
		array("ID", "NAME")
	);
	if ($ar = $db->fetch())
	{
		return $ar["NAME"];
	}

	return null;
}