hier ist meins.
<?php
session_name("testsession");
session_start();
$cnt = mysqli_connect("Host", "user", "password","datenbank");
function esc($cnt, $wert){
return mysqli_real_escape_string($cnt, $wert);
}
if(isset($_POST['login']) && !empty($_POST['uname']) && !empty($_POST['upw'])){...