<?php
/* ********************
# Menambah Handling fee pada checkout page WooCommerce sesuai berat seluruh produk yang ada di cart.
# Paste kode berikut pada file functions.php di WordPress.

# lukman@activist.co.id
************************ */

add_action( 'woocommerce_cart_calculate_fees','endo_handling_fee' );
function endo_handling_fee() {
     global $woocommerce;
     $total_weight = $woocommerce->cart->cart_contents_weight;
     $total_weight .= ' '.get_option('woocommerce_weight_unit');
     $total_weight = ceil($total_weight); // Round to top
     if ( is_admin() && ! defined( 'DOING_AJAX' ) )
          return;

     $fee = 5000 * $total_weight; /* Ganti dengan nominal yang ingin digunakan */
     $woocommerce->cart->add_fee( 'Handling', $fee, true, 'standard' );
}