menu generator

<?php
//PHP 5.3+
echo array_reduce(
___$menu = array(
______array('home', 'Home'),
______array('news', 'News'),
______array('profile', 'Profile'),
______array('products', 'Products', array(
_________array('webapp', 'Web Application', array(
____________array('php', 'PHP dan MySQL'),
____________array('rails', 'Ruby on Rails'),
____________array('nodejs', 'Node.js')
_________)),
_________array('deskapp', 'Desktop Application'),
_________array('mobapp', 'Mobile Application')
______)),
______array('contact', 'Contact Us')
___), $cb = function($m, $i) use (&$cb) {
______$m .= "<li><a href=\"$i[0].php\">$i[1]</a>";
______if (isset($i[2]))
_________$m .= array_reduce($i[2], $cb, "<ul>") . "</ul>";
______$m .= "</li>";
______return $m;
___}, "<ul>"
) . "</ul>";
?>

<?php
//PHP 5.3-
$menu = array(
___array('home', 'Home'),
___array('news', 'News'),
___array('profile', 'Profile'),
___array('products', 'Products', array(
______array('webapp', 'Web Application', array(
_________array('php', 'PHP dan MySQL'),
_________array('rails', 'Ruby on Rails'),
_________array('nodejs', 'Node.js')
______)),
______array('deskapp', 'Desktop Application'),
______array('mobapp', 'Mobile Application')
___)),
___array('contact', 'Contact Us')
);
function menu($m, $i) {
___$m .= "<li><a href=\"$i[0].php\">$i[1]</a>";
___if (isset($i[2]))
______$m .= array_reduce($i[2], 'menu', "<ul>") . "</ul>";
___$m .= "</li>";
___return $m;
}
echo array_reduce($menu, 'menu', "<ul>") . "</ul>";
?>