Wordpress Pages -> Menu

gistfile1.php

/*

Generate a hierachical menu based on the page structure of your wordpress website.

Useful if your late in the game in generating a menu, or updating an old website.

If you don't understand what it does, don't use it.

*/

$pages = get_pages(array('sort_column'=>'menu_order,post_title'));

$map = array();

$menu_id = wp_create_nav_menu('Main Menu');

foreach($pages as $page) {

	$data = array('menu-item-title' => $page->post_title,
					'menu-item-object' => 'page',
					'menu-item-object-id' => $page->ID,
					'menu-item-type' => 'post_type',
					'menu-item-status' => 'publish');

	if ($page->post_parent != 0) {
		$parent_id = $map[$page->post_parent];
		$data['menu-item-parent-id'] = $parent_id;

	}

	$map[$page->ID] = wp_update_nav_menu_item($menu_id, 0, $data);

}