Salve,

potreste dare un'occhiata ai seguenti file??? Non capisco cosa non funziona... è un banalissimo esempio di utilizzo di sessioni...
Nel file php.ini ho settatto la variabile session.save_path

Tks

prefs.html
Codice PHP:
<html>
<head><title>Set Your Preferences</title></head>
<body>
<form action="prefs.php" method="POST">

Background:
<select name="background">
<option value="black">Black</option>>
<option value="white">White</option>
<option value="red">Red</option>
<option value="blue">Blue</option>
</select>


Foreground:
<select name="foreground">
<option value="black">Black</option>>
<option value="white">White</option>
<option value="red">Red</option>
<option value="blue">Blue</option>
</select>


<input type="submit" value="Change Preferences">
</form>
</body>
</html> 
prefs.php
Codice PHP:
<?php
$colors = array('black' => '#000000',
                'white' => '#ffffff',
                'red'   => '#ff0000',
                'blue'  => '#0000ff');

session_start();
session_register('bg');
session_register('fg');             

$bg_name = $_POST['background'];
$fg_name = $_POST['foreground'];

$bg = $colors[$bg_name];
$fg = $colors[$fg_name];
?>
<html>
<head><title>Preferences Set</title></head>
<body>
Thank you. Your preferences have been changed to:

Background: <?= $bg_name ?>
Foreground: <?= $fg_name ?>
Click [url="prefs-demo.php"]here[/url] to see the preferences in action.
</body>
</html>
prefs_demo.php
Codice PHP:
<?php session_start() ?>
<html>
<head><title>Front Door</title></head>
<body bgcolor="<?= $bg ?>" text="<?= $fg ?>">
<h1>Welcome to the Store</h1>

Would you like to [url="prefs1.html"]change your preferences?[/url]
</body>
</html>