level login php

?php function getUserlevel() { $userget = mysql_query("SELECT * FROM `users` WHERE `username`='".$_SESSION['username']."'"); $user = mysql_fetch_array($userget); if($user['user_level'] == 1) { echo "Regular User"; } elseif($user['user_level'] == 2) { echo "Moderator"; } elseif($user['user_level'] == 3) { echo "Administrator"; } else { echo ... script login multi user php mysql