menu in php con funzione selected

[satifal]

<?php $currentPage = basename($_SERVER['SCRIPT_NAME']); ?>
<ul>
<li <?php if ($currentPage == 'index.php') echo "class=\"selected\""; ?>>[url="index.php"]Home[/url]
<li <?php if ($currentPage == 'about.php') echo "class=\"selected\""; ?>>[url="about.php"]About[/url]
<li <?php if ($currentPage == 'contact.php') echo "class=\"selected\""; ?>>[url="contact.php"]Contact[/url][/list]