Inventory::convert

public function convert($data)
{
	$result = "";

	if(isset($data["OFFERS"]) && is_array($data["OFFERS"]) && !empty($data["OFFERS"]))
	{
		foreach($data["OFFERS"] as $offer)
			$result .= $this->getItemData($offer, $data["IBLOCK_ID"]."_".$data["ID"]."_");
	}
	else
	{
		$result .= $this->getItemData($data, $data["IBLOCK_ID"]."_");
	}

	return $result;
}