Delete update-cart.php

update-cart.php

-<?php
-
-//if (session_status() !== PHP_SESSION_ACTIVE) {session_start();}
-if(session_id() == '' || !isset($_SESSION)){session_start();}
-
-include 'config.php';
-
-$product_id = $_GET['id'];
-$action = $_GET['action'];
-
-
-if($action === 'empty')
-  unset($_SESSION['cart']);
-
-$result = $mysqli->query("SELECT qty FROM products WHERE id = ".$product_id);
-
-
-if($result){
-
-  if($obj = $result->fetch_object()) {
-
-    switch($action) {
-
-      case "add":
-      if($_SESSION['cart'][$product_id]+1 <= $obj->qty)
-        $_SESSION['cart'][$product_id]++;
-      break;
-
-      case "remove":
-      $_SESSION['cart'][$product_id]--;
-      if($_SESSION['cart'][$product_id] == 0)
-        unset($_SESSION['cart'][$product_id]);
-        break;
-
-
-
-    }
-  }
-}
-
-
-
-header("location:cart.php");
-
-?>