Cambiar los costos de envío en función del peso de los productos

add_filter('woocommerce_package_rates', 'adjust_shipping_costs_by_weight', 10, 2);
function adjust_shipping_costs_by_weight($rates, $package) {
    $total_weight = WC()->cart->get_cart_contents_weight();

    if ($total_weight > 10) {
        foreach ($rates as $rate_id => $rate) {
            $rates[$rate_id]->cost += 7.00; // Zusätzliche Versandkosten für schwere Pakete
        }
    }

    return $rates;
}