ConverterDocumentInvoice::getStatusNameById

protected function getStatusNameById($id)
{
	static $statuses;

	if($statuses === null)
	{
		while($status = BitrixCrmInvoiceInvoiceStatus::getList()->fetch())
		{
			$statuses[$status['STATUS_ID']] = $status['NAME'];
		}

		if(!is_array($statuses))
		{
			$statuses = array();
		}
	}
	return (isset($statuses[$id])?$statuses[$id]:'');
}