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filter is not described

nav_menu_item_id filter-hook . WP 3.0.1

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


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;
The ID that is applied to the menu item's <li> element.
The current menu item.
An object of wp_nav_menu() arguments.
Depth of menu item. Used for padding.


Since 3.0.1 Introduced.
Since 4.1.0 The $depth parameter was added.

Where the hook is called

wp-includes/class-walker-nav-menu.php 167
$id = apply_filters( 'nav_menu_item_id', 'menu-item-' . $item->ID, $item, $args, $depth );

Where in WP core the hook is used WordPress

wp-includes/default-filters.php 602
add_filter( 'nav_menu_item_id', '_nav_menu_item_id_use_once', 10, 2 );