<?php if ($_GET) { session_start($_GET['PHPSESSID']); } require_once 'classes/Database.class.php'; $update = 0 + $_GET['update']; if ($update) { $db = new Database(); $con = $db->connect(); $tmp = $db->userdatenselect($con, $_SESSION['userid']); $result = $tmp->fetch_assoc(); } if ($_SERVER['REQUEST_METHOD'] == 'POST') { // alle Variablen übernehmen if ($_POST['update']) { $update = 0 + $_POST['update']; } $vorname = $_POST['Vorname']; $name = $_POST['Name']; $klasse = $_POST['Klasse']; $raum = $_POST['Raum']; $status = $_POST['Status']; $email = strtolower($_POST['Email']); $vorbildung = $_POST['Vorbildung']; $passwort = $_POST['Passwort']; $passwort2 = $_POST['Passwort2']; $telefonnummer = $_POST['Telefonnummer']; // Pflichtfelder prüfen $ok = true; if ($vorname == '') {