woothemes / woocommerce

			foreach ( $refund->get_items( $item_type ) as $refunded_item ) {

				if ( isset( $refunded_item['refunded_item_id'] ) && $refunded_item['refunded_item_id'] == $item_id ) {

					switch ( $item_type ) {

						case 'shipping' :

							$tax_data = maybe_unserialize( $refunded_item['taxes'] );

							if ( isset( $tax_data[ $tax_id ] ) ) {

								$total += $tax_data[ $tax_id ];

							}

						break;

						default :

							$tax_data = maybe_unserialize( $refunded_item['line_tax_data'] );

							if ( isset( $tax_data['total'][ $tax_id ] ) ) {

								$total += $tax_data[ $tax_id ];

							}

						break;

						default :

							$tax_data = maybe_unserialize( $refunded_item['line_tax_data'] );

							if ( isset( $tax_data['total'][ $tax_id ] ) ) {

								$total += $tax_data['total'][ $tax_id ];

							}

						break;

					}

				}

			}