Registering wp_nav_menu() in 3 locations

// Function for registering wp_nav_menu() in 3 locations
add_action( 'init', 'register_navmenus' );
function register_navmenus() {
    register_nav_menus( array(
        'Top'       => __( 'Top Navigation' ),
        'Header'    => __( 'Header Navigation' ),
        'Footer'    => __( 'Footer Navigation' ),
        )
    );

    // Check if Top menu exists and make it if not
    if ( !is_nav_menu( 'Top' )) {
        $menu_id = wp_create_nav_menu( 'Top' );
        $menu = array( 'menu-item-type' => 'custom', 'menu-item-url' => get_home_url('/'),'menu-item-title' => 'Home' );
        wp_update_nav_menu_item( $menu_id, 0, $menu );
    }
    // Check if Header menu exists and make it if not
    if ( !is_nav_menu( 'Header' )) {
        $menu_id = wp_create_nav_menu( 'Header' );
        $menu = array( 'menu-item-type' => 'custom', 'menu-item-url' => get_home_url('/'), 'menu-item-title' => 'Home' );
        wp_update_nav_menu_item( $menu_id, 0, $menu );
    }
    // Check if Footer menu exists and make it if not
    if ( !is_nav_menu( 'Footer' )) {
        $menu_id = wp_create_nav_menu( 'Footer' );
        $menu = array( 'menu-item-type' => 'custom', 'menu-item-url' => get_home_url('/'), 'menu-item-title' => 'Home' );
        wp_update_nav_menu_item( $menu_id, 0, $menu );
    }

    // Get any menu locations that dont have a menu assigned to it and give it on
    /* Currently not working. couldnt fix it.
    $loc = array('Top', 'Header', 'Footer');
    if ( has_nav_menu( $location )) {
        $locations = get_nav_menu_locations();
        return (!empty( $locations[ $location ] ));
    }
    */
}
/* Delete nav menu in case you need it
wp_delete_nav_menu( $menu );
*/