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is_nav_menu( int|string|WP_Term $menu )

Check if the given ID is a navigation menu.

Description

Returns true if it is; false otherwise.

Parameters

$menu

(int|string|WP_Term) (Required) Menu ID, slug, name, or object of menu to check.

Return

(bool) Whether the menu exists.

Source

File: wp-includes/nav-menu.php

function is_nav_menu( $menu ) {
	if ( ! $menu ) {
		return false;
	}

	$menu_obj = wp_get_nav_menu_object( $menu );

	if (
		$menu_obj &&
		! is_wp_error( $menu_obj ) &&
		! empty( $menu_obj->taxonomy ) &&
		'nav_menu' === $menu_obj->taxonomy
	) {
		return true;
	}

	return false;
}

Changelog

Version Description
3.0.0 Introduced.

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