link solo per loggati

[mybox]

<?php




require 'wapheader.php';


$username = (empty($_GET['un'])) ? "0" : 
$_GET['un'];
$password = (empty($_GET['pw'])) ? "0" : 
md5($_GET['pw']);


if(isset($_GET['logout']))

{
    
$session = session_end($userdata['session_id'],
$userdata['user_id']);
    
echo $header;
    
echo $lang['wap_logged_out'] . "[i]Logout Eseguito[/i]
Torna A Trovarci
";
    
$wapphp = append_sid("wap.$phpEx");
    
exit("<anchor>" . $lang['Menu'] . "<go href=\"" . append_sid("index.php") . "\" />Home</anchor>
" . 
$footer);

}

else if ($userdata['session_logged_in'])
{
    echo $header;
    
echo sprintf($lang['wap_logged_in'],"<anchor>","<go href=\"" . append_sid("wap.$phpEx") . "\" />Bacheca</anchor>");
    
exit("Sei gia loggato nel forum! " . $footer);
}


else if($username == "0" || $password == "0")
{
if(!isset($_GET['logout'])) 
echo $header;
?>