<?php
if(!isset($_SESSION)){
session_start();
}
ini_set('session.gc_maxlefttime','10');
?>
<html>
<head>
</head>
<body>
<form action='<?php echo $_SERVER['PHP_SELF']; ?>' method='post'>
<input type='text' name='user' /><br />
<input type='submit' name='login' /><br />
</form>
<?php
if(isset($_POST['login'])){
if($_POST['user']=='emanuele'){
$_SESSION['auto']='prova';
}
}
if(isset($_SESSION['auto'])){
echo $_SESSION['auto'];
}
?>
</body>
</html>