<?php

        $db = mysql_connect('localhost', 'root', '') or die('Could not connect: ' . mysql_error());
        mysql_select_db('MMO') or die('Could not select database');

        // Strings must be escaped to prevent SQL injection attack.
        $user = $_POST['Username'];
        $pass = $_POST['Password'];

        $pass2 = md5($pass);

        $check = mysql_query ("SELECT * FROM LoginDB WHERE Username='$user'");

        if ($check == $user)
        {
                die  ("Benutzername schon vorhanden!");
        }
        else
        {

             // Send variables for the MySQL database class.
             $query = "insert into LoginDB (ID ,Username, Password, MD5, eMail) values              ('','$user', '$pass', '$pass2', '');";
             $result = mysql_query($query) or die('Query failed: ' . mysql_error());
            echo  ("Erfolgreich Registriert");
            die
    }
?>