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Hello every body, I hope you are all fine.


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I have an error in my code, I am trying to display the total amount of each user unsing Total cart price:

 

here is the code :

 

// Total price function

      function total_cart_price(){

        global $con;

        $get_ip_add = getIPAddress();

        $total_price=0;

        $cart_query="select * from `cart_details` where ip_address='

        $get_ip_add'";

        $result=mysqli_query($con,$cart_query);

        while($row=mysqli_fetch_array($result)){

          $product_id=$row['product_id'];

          $select_products="select * from `products` where product_id='$product_id'";

          $result_products=mysqli_query($con,$select_products);

          while($row_product_price=mysqli_fetch_array($result_products)){

            $product_price=array($row_product_price['product_price']);

            $product_values=array_sum($product_price);

            $total_price+=$product_values;

          }

        }

        echo $total_price;

      }

 

And here is the final displayed of the executing code:  Total Price: 0 . Nothing is showing and there is not a error message too. Can someone help me please ?

I mean the is nothing that showed, Total Price: 0.

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ps, everyone on the same network will have the same ip address. if you are going to use a database based cart, you need to generate a unique value per visitor to use to identify each cart. the simplest way of doing this is to start a session, then use the session id as the identifier.

pps, your cart should have a quantity column, so that someone could have more than one of each item.

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