connect_error){
    die("Verbindung fehlgeschlagen: " . $conn->connect_error);
}
var_dump($_POST['url']);
if($_POST['url'] == ''){
  header('Location: /');
  return;
}
$url = $_POST['url'];
$author = $_SESSION['user'];
  $sql = "INSERT INTO cheaterlist (url, author) VALUES('".$url."', '".$author."')";
  $conn->query($sql);
?>