is_nav_menu() WordPress Function
The is_nav_menu() function checks whether a given menu location has a menu assigned to it.
is_nav_menu( int|string|WP_Term $menu ) #
Determines whether 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;
}
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Changelog
| Version | Description |
|---|---|
| 3.0.0 | Introduced. |