but when i put $user_info = fetch_user_info( $_SESSION['uid']); its still the same

<?php if(!empty($_SESSION['LoggedIn']) && !empty($_SESSION['Username'])) {When they are logged in they can see the page.
mysql_query("UPDATE `users` SET `username` = `$username`, `grad` = `$grad`, `drzava` = `$drzava`,`fan` = `$fan`, `website` = `$website` WHERE `uid`=`$uid`"); }
$sql_mysql_query("update users set ='$grad' where uid = '$uid'");is that right? and should i add else if before this?