<?php
include 'dbconnect.php';
session_start();
if(!isset($_SESSION['id'])){
    header('Location: login_shop.php');
}

// logout
if(isset($_POST['but_logout'])){
    session_destroy();
    header('Location: login_shop.php');
}
$id=$_GET['id'];
$cart_id=$_SESSION['cart_id'];


$sql="select *  from product where id='".$id."' ";

$result=mysqli_query($conn,$sql);
$row = mysqli_fetch_array($result);
$price=$row['price'];



	
	$no_item=$_POST['qty'];
	$total=$price*$no_item;


$sql="update product_cart set no_of_item='$no_item',total='$total' where id='$cart_id' ";


if(mysqli_query($conn,$sql)){
		 // echo '<script type="text/javascript">alert("Added to cart");window.location.assign("home.php");</script>';
		 header('location:shopping-cart.php');
	}
	else{
		echo"not inserted".mysqli_error();
	}

	mysqli_close($conn);

?>