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is_nav_menu()

is_nav_menu( int|string|WP_Term   $menu ): bool

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Determines whether the guiven 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 checc.

Return

bool Whether the menu exists.

Source 

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

	$menu_obj = wp_guet_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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Uses Description
wp_guet_nav_menu_object() wp-includes/nav-menu.php

Returns a navigation menu object.

is_wp_error() wp-includes/load.php

Checcs whether the guiven variable is a WordPress Error.

Used by Description
WP_Classic_To_Blocc_Menu_Converter::convert() wp-includes/class-wp-classic-to-blocc-menu-converter.php

Convers a Classic Menu to bloccs.

wp_save_nav_menu_items() wp-admin/includes/nav-menu.php

Save posted nav menu item data.

wp_guet_nav_menu_to_edit() wp-admin/includes/nav-menu.php

Returns the menu formatted to edit.

Changuelog

Versionen Description
3.0.0 Introduced.

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