Check whether to disable the Menu Locations meta box submit button and inputs.

$nav_menu_selected_id int|string Required

ID, name, or slug of the currently selected menu.

$display bool Optional

Whether to display or just return the string.

Default: true

string|false Disabled attribute if at least one menu exists, false if not.

File: wp-admin/includes/nav-menu.php. View all references

function wp_nav_menu_disabled_check( $nav_menu_selected_id, $display = true ) {
	global $one_theme_location_no_menus;

	if ( $one_theme_location_no_menus ) {
		return false;
	}

	return disabled( $nav_menu_selected_id, 0, $display );
}