Задача не совсем понятна..... точнее не понятна...
[CODE]$art = trim($_REQUEST["ARTICLE"]); // артикул
$brand = trim($_REQUEST["BRAND"]); // символьный код раздела
$rs = CIBlockElement::GetList(
array("SORT" => "ASC", "NAME" => "ASC"),
array("IBLOCK_ID" => 53, "ACTIVE" => "Y", "SECTION_GLOBAL_ACTIVE" => "Y", "SECTION_CODE" => $brand, "PROPERTY_ARTICLE" => $art),
false,
false,
array("ID", "NAME", "DETAIL_PAGE_URL")
);
while($arRes = $rs->GetNext()) {
echo '<pre>'; print_r($arRes); echo '</pre>';
}
[/CODE]