Question

This is one of the most bizarre problems I’ve run into so far,
I have two numbers which I am trying to add up in php but for some reason php does not give me the correct result.

I am trying to add the $itemPrice with the $shipPrice which is 3.50 + 2.80 that should give me 6.30 but instead I get 5.

I have tried using the floatVal() function but that makes no difference, does anyone have any ideas?

below is a sample of the code

php code

foreach($resp->ListOrderItemsResult->OrderItems->OrderItem as $order){
   $itemPrice =  $order->ItemPrice->Amount;
   $shipPrice = $order->ShippingPrice->Amount;
   $total = $itemPrice + $shipPrice;

   $arr[] = array(
      'sku' => $order->SellerSKU,
      'isbn' => $order->ASIN,
      'title' => $order->Title,
      'item_price' => $itemPrice,
      'ship_price' => $shipPrice,
      'total' => $total,
      'quantity_shipped' => $order->QuantityShipped,
   );
}

output

sku             isbn         title  item_price  ship_price  total   quantity_shipped
VM-F5TU-BN0K    1844831531   xxxxx  3.50        2.80            5   1

Answer 1

My guess is that $itemPrice and $shipPrice are strings and when you try to add them together you are getting a value of 5. Make sure you are specifically casting the $itemPrice and $shipPrice as floats if there are stored in your object as strings.