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_wp_auto_add_pages_to_menu( string $new_status, string $old_status, WP_Post $post )

This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

Automatically add newly published page objects to menus with that as an option.

Parameters

$new_status

(string) (Required) The new status of the post object.

$old_status

(string) (Required) The old status of the post object.

$post

(WP_Post) (Required) The post object being transitioned from one status to another.

Source

File: wp-includes/nav-menu.php 

function _wp_auto_add_pages_to_menu( $new_status, $old_status, $post ) {
	if ( 'publish' !== $new_status || 'publish' === $old_status || 'page' !== $post->post_type ) {
		return;
	}
	if ( ! empty( $post->post_parent ) ) {
		return;
	}
	$auto_add = get_option( 'nav_menu_options' );
	if ( empty( $auto_add ) || ! is_array( $auto_add ) || ! isset( $auto_add['auto_add'] ) ) {
		return;
	}
	$auto_add = $auto_add['auto_add'];
	if ( empty( $auto_add ) || ! is_array( $auto_add ) ) {
		return;
	}

	$args = array(
		'menu-item-object-id' => $post->ID,
		'menu-item-object'    => $post->post_type,
		'menu-item-type'      => 'post_type',
		'menu-item-status'    => 'publish',
	);

	foreach ( $auto_add as $menu_id ) {
		$items = wp_get_nav_menu_items( $menu_id, array( 'post_status' => 'publish,draft' ) );
		if ( ! is_array( $items ) ) {
			continue;
		}
		foreach ( $items as $item ) {
			if ( $post->ID == $item->object_id ) {
				continue 2;
			}
		}
		wp_update_nav_menu_item( $menu_id, 0, $args );
	}
}

Uses

Uses Description
wp-includes/option.php: get_option()

Retrieves an option value based on an option name.
wp-includes/nav-menu.php: wp_get_nav_menu_items()

Retrieves all menu items of a navigation menu.
wp-includes/nav-menu.php: wp_update_nav_menu_item()

Save the properties of a menu item or create a new one.

Changelog

Version Description
3.0.0 Introduced.

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