GetItemPrices

$arResult["PRICES"] = CIBlockPriceTools::GetCatalogPrices($arParams["IBLOCK_ID"], $arParams["PRICE_CODE"]);

foreach($arResult["PRICES"] as &$value)
{
    if (!$value['CAN_VIEW'] && !$value['CAN_BUY'])
        continue;
    $arSelect[] = $value["SELECT"];
    $arFilter["CATALOG_SHOP_QUANTITY_".$value["ID"]] = $arParams["SHOW_PRICE_COUNT"];
}
if (isset($value))
    unset($value);