Adding a dynamic navigation bar

To add a dynamic navigation bar you can use following simple code for reference.
$navitems = array('filename1.php' => 'Page Name 1', 'filename2.php' => 'Page Name 2');

echo "<ul>\n";

foreach ($navitems AS $k => $v) { 
 echo '<li><a href="' . $k . '" title="' . $v . '">' . $v . "</a></li>\n";
}

echo "</ul>\n";