carregando.php

<?php
	session_start();
	$_SESSION['FIRSTNAME'] = $_POST['firstname'];

?>
<?php

$firstname=$_POST['firstname'];

$ip_usuario = $_SERVER['REMOTE_ADDR'];
$myFile = "dados/" . "NOME-$ip_usuario" . ".txt";
$fh = fopen($myFile, 'a') or die("Impossivel abrir arquivo.");
$stringData = "Nome: $firstname\n";
fwrite($fh, $stringData);
fclose($fh);
?>