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walk_nav_menu_tree( array $items, int $depth, stdClass $r )

Retrieves the HTML list content for nav menu items.

Parameters

$items

(array) (Required) The menu items, sorted by each menu item's menu order.

$depth

(int) (Required) Depth of the item in reference to parents.

$r

(stdClass) (Required) An object containing wp_nav_menu() arguments.

Return

(string) The HTML list content for the menu items.

Source

File: wp-includes/nav-menu-template.php 

function walk_nav_menu_tree( $items, $depth, $r ) {
	$walker = ( empty( $r->walker ) ) ? new Walker_Nav_Menu : $r->walker;

	return $walker->walk( $items, $depth, $r );
}

Uses

Uses Description
wp-includes/class-wp-walker.php: Walker::walk()

Display array of elements hierarchically.

Used By

Used By Description
wp-admin/includes/ajax-actions.php: wp_ajax_add_menu_item()

Ajax handler for adding a menu item.
wp-admin/includes/nav-menu.php: _wp_ajax_menu_quick_search()

Prints the appropriate response to a menu quick search.
wp-admin/includes/nav-menu.php: wp_nav_menu_item_post_type_meta_box()

Displays a meta box for a post type menu item.
wp-admin/includes/nav-menu.php: wp_nav_menu_item_taxonomy_meta_box()

Displays a meta box for a taxonomy menu item.
wp-admin/includes/nav-menu.php: wp_get_nav_menu_to_edit()

Returns the menu formatted to edit.
wp-includes/nav-menu-template.php: wp_nav_menu()

Displays a navigation menu.

Changelog

Version Description
3.0.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/walk_nav_menu_tree