FOX - WooCommerce Currency Switcher Professional

Plugin link: http://www.phoeniixx.com/product/woocommerce-product-custom-options/

• in file \wp-content\plugins\woocommerce-custom-options-pro\classes\class-product-page-options.php add code

  if (class_exists('WOOCS') AND is_array($array_options)) {
      global $WOOCS;
      if ($WOOCS->is_multiple_allowed) {
          foreach ($array_options as $key1 => $op_item1) {
              foreach ($op_item1["options"] as $key2 => $opt) {
                  if ($opt["price"] != 0) {
                      $array_options[$key1]["options"][$key2]["price"] = $WOOCS->woocs_exchange_value(floatval($opt["price"]));
                  }
              }
          }
      }
  }

   
  

   

• in file \wp-content\plugins\woocommerce-custom-options-pro\classes\class-product-add-to-cart.php add code

  foreach ($cart_item_data['options'] as &$option) {
      if ($option['price'] > 0) {
          global $WOOCS;
          if ($WOOCS->is_multiple_allowed) {
              $currencies = $WOOCS->get_currencies();
              $rate = $currencies[$WOOCS->current_currency]['rate'];
              $option['price'] = $option['price'] / $rate;
          }
      }
  }

  AND

  if (class_exists('WOOCS')) {
      global $WOOCS;
      if ($WOOCS->is_multiple_allowed) {
          $display_price = $WOOCS->woocs_exchange_value(floatval($display_price));
      }
  }