/media/sda-magnetic/david/Dok-15-2023-11-27/informatik/www-intel-compute-stick-2022-06-13/mysocial/createaccount.php

<?php
session_start ();
?>

<?php
$passwort1 = $_GET ["passwort1"];
$passwort2 = $_GET ["passwort2"];
$nickname = $_GET ["nickname"];
$vorname = $_GET ["vorname"];
$nachname = $_GET ["nachname"];
$mail = $_GET ["mail"];

if (strcmp($passwort1, $passwort2) != 0)
    echo "Die Passw&ouml;rter sind nicht identisch";
else {
    if ((strlen ($nickname) == 0) || (strlen ($vorname) == 0) || (strlen ($nachname) == 0) || (strlen ($mail) == 0) || (strlen ($passwort1) == 0)) 
        echo "Sie m&uuml;ssen alle Felder vollst&auml;ndig ausf&uuml;llen<br>";
    else {
        include ('/home/david/mysqldata.php');
        $handle = mysql_connect ("127.0.0.1", $MYSQL_NAME, $MYSQL_PASSWORD);
        mysql_query ("USE mysocial_database", $handle);
        $result = mysql_query ("SELECT * FROM users WHERE nickname=\"" . $nickname . "\"", $handle);
        echo mysql_num_rows ($result);
        if (mysql_num_rows ($result) != 0)
            echo "Dieser Benutzername ist leider schon vergeben";
        else {
            $reault = mysql_query ("SELECT * FROM users WHERE mail=\"" . $mail . "\"", $handle);
            if (mysql_num_rows ($result) != 0)
                echo "Diese Mail-Addresse wird leider schon von einem anderen Nutzer verwendet";
            else {
                mysql_query ("INSERT INTO users VALUES (\"" . $nickname . "\",\"" . $vorname . "\",\"". $nachname . "\",\"". $mail  . "\",\"". md5($passwort1) . "\")", $handle);
            }
            $_SESSION ["name"] = $nickname;
            echo "<script>window.location=\"./post.php?content=welcome\";</script>";
        }
        mysql_close ($handle);
    }
}
?>