Форум

$add = Add2BasketByProductID($id, $quantity, array()); 

$add = Add2BasketByProductID($id, $quantity); 

require($_SERVER["DOCUMENT_ROOT"]."/bitrix/modules/main/include/prolog_before.php"); $action = $_GET['action'];$id = $_GET['id']; $quantity = $_GET['quantity'];   if (CModule::IncludeModule("sale") && CModule::IncludeModule("catalog")) {     if (($action == "ADD2BASKET" || $action == "BUY") && IntVal($id)>0 && IntVal($quantity)>0)     {          $add = Add2BasketByProductID($id, $quantity, array());                 print_r($add);        }   else    echo "error in if"; } else echo "error";