您需要使用不同的内容，如下所示：

// Loop through shipping packages from WC_Session (They can be multiple in some cases)
foreach ( WC()->cart->get_shipping_packages() as $package_id => $package ) {
    // Check if a shipping for the current package exist
    if ( WC()->session->__isset( \'shipping_for_package_\'.$package_id ) ) {
        // Loop through shipping rates for the current package
        foreach ( WC()->session->get( \'shipping_for_package_\'.$package_id )[\'rates\'] as $shipping_rate_id => $shipping_rate ) {
            $rate_id     = $shipping_rate->get_id(); // same thing that $shipping_rate_id variable (combination of the shipping method and instance ID)
            $method_id   = $shipping_rate->get_method_id(); // The shipping method slug
            $instance_id = $shipping_rate->get_instance_id(); // The instance ID
            $label_name  = $shipping_rate->get_label(); // The label name of the method
            $cost        = $shipping_rate->get_cost(); // The cost without tax
            $tax_cost    = $shipping_rate->get_shipping_tax(); // The tax cost
            $taxes       = $shipping_rate->get_taxes(); // The taxes details (array)
        }
    }
}

// Enable customer WC_Session
add_action( \'init\', \'wc_session_enabler\' );
function wc_session_enabler() {
    if ( is_user_logged_in() || is_admin() )
        return;

    if ( isset(WC()->session) && ! WC()->session->has_session() ) {
        WC()->session->set_customer_session_cookie( true );
    }
}

如果需要，您还可以get the customer chosen shipping method(s) 具有以下功能：

$chosen_shipping_methods = WC()->session->get( \'chosen_shipping_methods\' );