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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.

Usage

add_filter( 'nav_menu_item_id', 'filter_function_name_9445', 10, 4 );
function filter_function_name_9445( $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.

Notes

  • Since 4.1.0 The $depth parameter was added.

Where the hook is called

Walker_Nav_Menu::start_el()
nav_menu_item_id
wp-includes/class-walker-nav-menu.php 164
$id = apply_filters( 'nav_menu_item_id', 'menu-item-'. $item->ID, $item, $args, $depth );

Where the hook is used (in WP core)

wp-includes/default-filters.php 511
add_filter( 'nav_menu_item_id', '_nav_menu_item_id_use_once', 10, 2 );