is_nav_menu() WP 1.0
Check if the given ID is a navigation menu.
Returns true if it is; false otherwise.
Works based on: wp_get_nav_menu_object()
1 time = 0.004447s = very slow | 50000 times = 7.98s = fast | PHP 7.2.5, WP 4.9.8
No Hooks.
Return
true/false. Whether the menu exists.
Usage
is_nav_menu( $menu );
- $menu(int/string/WP_Term) (required)
- Menu ID, slug, name, or object of menu to check.
Changelog
| Since 3.0.0 | Introduced. |
Code of is_nav_menu() is nav menu WP 5.6
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;
}Related Functions
From tag: nav menu (nav_menu)
- _wp_menu_item_classes_by_context()
- get_nav_menu_locations()
- has_nav_menu()
- register_nav_menu()
- register_nav_menus()
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