futuresys

@3sonsdevelopment, pleasure. Always good to give back.

Stay safe!

Thank you @3sonsdevelopment, That certainly helped.

I’ve adjusted the code to sort all products added to an order by the “menu_order”.

add_action( 'woocommerce_cart_loaded_from_session', 'fs_sort_cart_items_by_menu_order' );
 
function fs_sort_cart_items_by_menu_order() {
 
    // Read Cart Items
    $cart_products = array();
    foreach ( WC()->cart->get_cart_contents() as $key => $item ) {
        $cart_products[$key] = $item['data']->{'menu_order'};
    }

    // Sort Cart Items
    natsort( $cart_products );
 
    // Assign sorted items to cart
    $cart_contents = array();
    foreach ( $cart_products as $cart_key => $menu_order ) {
        $cart_contents[ $cart_key ] = WC()->cart->cart_contents[ $cart_key ];
    }
    WC()->cart->cart_contents = $cart_contents;
     
}