_wp_check_split_nav_menu_terms( int $term_id, int $new_term_id, int $term_taxonomy_id, string $taxonomy )

4573function _wp_check_split_nav_menu_terms( $term_id, $new_term_id, $term_taxonomy_id, $taxonomy ) {4574	if ( 'nav_menu' !== $taxonomy ) {4575		return;4576	}4577 4578	// Update menu locations.4579	$locations = get_nav_menu_locations();4580	foreach ( $locations as $location => $menu_id ) {4581		if ( $term_id === $menu_id ) {4582			$locations[ $location ] = $new_term_id;4583		}4584	}4585	set_theme_mod( 'nav_menu_locations', $locations );4586}