nav_menu_item_id filter-hook . WP 3.0.1

Filters the ID applied to a menu item's list item element.

Usage

add_filter( 'nav_menu_item_id', 'filter_function_name_8333', 10, 4 );
function filter_function_name_8333( $menu_id, $item, $args, $depth ){
	// filter...

	return $menu_id;
}

$menu_id(string)

The ID that is applied to the menu item's <li> element.

$item(WP_Post)

The current menu item.

$args(stdClass)

An object of wp_nav_menu() arguments.

$depth(int)

Depth of menu item. Used for padding.

Changelog

Where the hook is called

$id = apply_filters( 'nav_menu_item_id', 'menu-item-' . $item->ID, $item, $args, $depth );

Where in WP core the hook is used WordPress

add_filter( 'nav_menu_item_id', '_nav_menu_item_id_use_once', 10, 2 );