1){ $add = "UPDATE `$table` SET quantity = '$quantity' - 1 WHERE booking_id='$booking_id'"; $res = mysqli_query($conn, $add); if (!$res) { echo ""; } $total = "UPDATE user_buyer SET cart_total_price = cart_total_price - '$price' WHERE u_id='$uid'"; $res = mysqli_query($conn, $total); if (!$res) { echo ""; } } else{ echo ""; } } header('Location: ../cart.php'); ?>