Access Saved Session Data

<?php show_source(end(explode('/',$_SERVER['PHP_SELF']))); echo "<hr>"; ?>
<?php
    session_start();
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
        "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
    <meta http-equiv="content-type" content="text/html; charset=utf-8" />
    <title>Access Saved Session Data</title>
</head>
<body>
    <?php
        $fp = fopen('session.txt', 'r');
        $data = fread($fp, 4096);

        session_decode($data);
        print_r($_SESSION);
    ?>    
</body>
</html>

Access Saved Session Data Array ( [test] => hello [firstname] => Toby [lastname] => Boudreaux )