Homepage wordpress differente per utenti loggati

//different homepage loggedin loggedout
function switch_homepage() {
    if ( is_user_logged_in() ) {
        $page = 9; // for logged in users
        update_option( 'page_on_front', $page );
        update_option( 'show_on_front', 'page' );
    } else {
        $page = 5144; // for logged out users
        update_option( 'page_on_front', $page );
        update_option( 'show_on_front', 'page' );
    }
}
add_action( 'init', 'switch_homepage' );