check.php

<?php
session_start();
require_once "connect.php";
	$polaczenie = @new mysqli($host, $db_user, $db_password, $db_name);
	if (!isset($_SESSION['zalogowany']))
	{
		header('Location: index.php');
		exit();
	}
if($_SESSION['captcha'] == $_POST['kod']){//CAPTCHA POPRAWNA
	$login = $_SESSION['user'];
	mysql_query("UPDATE `uzytkownicy` SET `zakupy` = 0 WHERE `user`='$login' ");
	echo mysql_error;
	?> <script> location.replace("aukcje"); </script> <?php
}
?>