Okee, i got this code now (btw i dont know anything about php/mysql)
Code:
<?php
$con=mysqli_connect("localhost","root","123","hotel");
if (mysqli_connect_errno($con))
{
echo "Failed to connect to MySQL: " . mysqli_connect_error();
}
mysqli_query($con,"UPDATE users SET vip = '1' WHERE username = '".$_SESSION['user']['username']."' LIMIT 1");
mysqli_query($con,"UPDATE users SET rank = '2' WHERE username = '".$_SESSION['user']['username']."' LIMIT 1");
?>
but it still doesn't update in phpmyadmin/mysql