<?php

session_start('nametracker');

if ($_SESSION['name'])
{
    print "Hello, " . htmlspecialchars($_SESSION['name']) . "!<br/>";
}
?>

<br/><br/>

<form method="post" action="session_setname.php">
Name:
    <input type="text" name="name" />
    <input type="submit" value="Set name!" />
</form>
