Переопределение в init.php СКИДКИ на сумму заказа (правила работы с корзиной)

  $dbBasketItems = CSaleBasket::GetList(
           array("ID" => "ASC"), 
            array(
                'FUSER_ID' => CSaleBasket::GetBasketUserID(),
               'LID' => SITE_ID,
                'ORDER_ID' => 'NULL'
                ),
           false,
           false,
           array(
               /*'ID', 'PRODUCT_ID', 'QUANTITY', 'PRICE', 'DISCOUNT_PRICE', 'WEIGHT'*/
             )
          );

   $arItems = array();
   
   while ($arBasketItems = $dbBasketItems->Fetch())
   {   
      $allSum += ($arItem["PRICE"] * $arItem["QUANTITY"]);
      $allWeight += ($arItem["WEIGHT"] * $arItem["QUANTITY"]);
      $arItems[] = $arBasketItems;
   } 

   $arOrder = array(
      'SITE_ID' => SITE_ID,
      'USER_ID' => $GLOBALS["USER"]->GetID(),
      'ORDER_PRICE' => $allSum,
      'ORDER_WEIGHT' => $allWeight,
      'BASKET_ITEMS' => $arItems
   );
   
   $arOptions = array(
      'COUNT_DISCOUNT_4_ALL_QUANTITY' => 'Y',
   );
   
   $arErrors = array();
   
   CSaleDiscount::DoProcessOrder($arOrder, $arOptions, $arErrors);
      
   foreach ($arOrder["BASKET_ITEMS"] as $arOneItem)
   {
      $discount_on_product_p = $arOneItem["DISCOUNT_VALUE"];
   }
   
      foreach ($arOrder["DISCOUNT_LIST"] as $key => $value)
   {
      foreach ($value["RESULT"]["BASKET"] as $key1  => $value1)
      {
         $discount_on_summu = $value1["VALUE_PERCENT"];
      }
   }

$discount_on_product = substr($discount_on_product_p,0,-1);

echo $discount_on_product." skidka na tovar <br>";
echo $discount_on_summu." skidka na summu zakaza<br>";

if($discount_on_product > $discount_on_summu) {
echo $discount_on_product." skidka na tovar bolshe chem skidka na summu zakaza<br>";
} else {
echo $discount_on_summu." skidka na summu zakaza bolshe chem skidka na tovar<br>";
}

 /*  
   echo "<pre>";
   print_r($arOrder);
   echo "</pre>";
   */
?>