$link=mysqli_connect($hostname, $username, $passwordname, $basename);
if (isset($_COOKIE['id']) and isset($_COOKIE['hash']))
{
    $query = mysqli_query($link, "SELECT * FROM userdata WHERE id = '".intval($_COOKIE['id'])."' LIMIT 1");
    $userdata = mysqli_fetch_assoc($query);
    if(($userdata['id']