Codice PHP:
<?PHP

session_start();
if(!isset($_SESSION['login']))
{header("location: index.php"); exit;}


//prelevo i dati dal file txt
//$var=@fopen("impostazioni.txt","a+");
$var2=file("impostazioni.txt");
//@fclose($var);
$i=count($var2);
for($a=0; $a<$i; $a++){
    $testo=explode("|",$var2[$a]);
    if($testo[0]==$nick){
        $coloretesto=$testo[1];
        $smile=$testo[2];
        $pagine=$testo[3];
        $accesso=$testo[4];
        $colorenick=$testo[5];
        break;
    }
}//fine ciclo for



$fd = fopen ("ban.txt", "a+");
while (!feof($fd)) {
$buffer = fgets($fd, 4096);
$buffer= chop($buffer);
$ips = $REMOTE_ADDR;
if ($ips == "$buffer") {
$file = "log.txt";

$log = fopen($file,"a+");
$line = fgets($log, 4096);
fclose($log);
                    
$string = "$ips::ACCESSO NEGATO\n";

$log = fopen($file, "a+");
$string = fwrite($log, $string);
fclose($log);
                    
?>
<script language="javascript">
                        
document.location='bannato.php';
                            
</script>


<?PHP

                    
}
}
fclose ($fd);      
?>

<html>
<head>
<title>CHAT</title>
</head>
<body bgcolor=black link=red text=C0C0C0>
<center>
[b]<u><font color="yellow">SHOKKATO</font>[/b]</u>

<hr>
</div>                                
[url='chat.php']Chat[/url]
|[url='opzioni.php']Opzioni[/url]
|[url="msg_privati.php"]MP[/url]
|[url='logout.php']Esci[/url]
</center>
<hr>
<?

$var=fopen("msg.txt","a+");
$var2=file("msg.txt"); 
$var3=count("$var2");  
$r=("$var3-12");
$s=("$var3-20");

 for ($a=r; $a<=s; $a++){ 
      $variab = explode("|", $var2[$a]);
                             
        $messaggio=$variab[0];
    $msg=$messaggio;
    $msg=$variab[0];    
    $ipuser=$variab[1];
    $brow=$variab[2];
    $subno=$variab[3];
    if($smile==1)
        include ("smile.php");

$messaggio="<font color=\"FFB818\">[b]$ora[/b]</font>
<font color=\"red\">[b]$nick[/b]</font>
<font color=\"white\"><font color=$coloretesto>$msg</font>

";
$variabile=$messaggio;
echo $variabile;
}

?>
<center>

<hr>
[url="info.php"]Info[/url]
|[url="autologinprova.php"]AutoLogin[/url]<hr>
</center>
</body>
</html>
Questa e l'intera pagina ditemi dove sbaglio perchè non mi stampa i mesg