ahah aiuto ho cambiato da virgole doppie a virgolette singole sull'include dell'index .php e sono usciti questi errori
Notice: Use of undefined constant REMOTE_ADDR - assumed 'REMOTE_ADDR' in D:\WEB\xampp\htdocs\utenti\useronline.php on line 28

Notice: Undefined variable: PHP_SELF in D:\WEB\xampp\htdocs\utenti\useronline.php on line 30

Notice: Use of undefined constant ip - assumed 'ip' in D:\WEB\xampp\htdocs\utenti\useronline.php on line 97

Notice: Use of undefined constant file - assumed 'file' in D:\WEB\xampp\htdocs\utenti\useronline.php on line 103

Notice: Undefined variable: anzahluser in D:\WEB\xampp\htdocs\utenti\useronline.php on line 119

Notice: Undefined variable: file in D:\WEB\xampp\htdocs\utenti\useronline.php on line 119

Notice: Undefined index: in D:\WEB\xampp\htdocs\utenti\useronline.php on line 119

Notice: Undefined variable: file in D:\WEB\xampp\htdocs\utenti\useronline.php on line 127

Notice: Undefined variable: file in D:\WEB\xampp\htdocs\utenti\useronline.php on line 127

il bello e' che in fondo pero' sembra funzionare perche' mi dice 1 utente online con il corretto form