Wordpress recursive page listing

to test it, put this in "wp-content/themes/[theme name]/header.php"
 
 
//-------------------------------------------------------------
// pagesRecursive
//   lists pages of a WP recursively
//-------------------------------------------------------------
function pagesRecursive($parentId, $lvl){ 
	$args=array('child_of' => $parentId, 'parent' => $parentId);
	$pages = get_pages($args); 
	if ($pages) {
		$lvl ++;
		foreach ($pages as $page) {
			print "<div style='margin-left:".($lvl * 30)."; border:solid 1px #000; margin-bottom:10px; '>";
			print $page->ID."<br>";
			print $page->post_date."<br>";
			print $page->post_title."<br>";
			print $page->post_content."<br>";
			print "</div>";
			pagesRecursive($page->ID, $lvl);
		} 
	}
}
pagesRecursive(20, 0);