Elgg menu code

/**
 * Add an item to an Elgg menu
 *
 * @param string $menu The name of the menu: site, page, userhover, userprofile, groupprofile, or any custom menu
 * @param string $id The unique identifier for this menu item. An example is blog:add
 * @param string $title The localized title string for this menu item
 * @param string $url The URL for this menu item
 * @param array $options An associative array of menu options including: tooltip, parent, or custom option.
 *                       tooltip: string that is used as the title element of the link
 *                       parent: the $id of the item's parent
 */
elgg_add_menu_item($menu, $id, $title, $url, $options) {
}

/**
 * Remove an item from a menu
 *
 * @param string $menu The name of the menu
 * @param string $id The unique identifier for this menu item
 */
elgg_remove_menu_item($menu, $id) {
}

/**
 * Render a menu
 *
 * @param string $menu The name of the menu
 * @param array $vars An associative array of display options for the menu
 * @return string
 */
elgg_view_menu($menu, $vars) {
    $vars['name'] = $menu;

    // sort menu and determine selected item
    menu object/array = trigger_plugin_hook('prepare', 'menu', menu object/array, $vars);

    if (elgg_view_exists("navigation/menu/$menu")) {
        return elgg_view("navigation/menu/$menu", $vars);
    } else {
        return elgg_view("navigation/menu/default", $vars);
    }
}