woothemes / woocommerce

				'tax_class' => ''

			) );

			if ( $tax_rates ) {

				foreach ( $tax_rates as $key => $rate ) {

					if ( isset( $rate['shipping'] ) && 'yes' == $rate['shipping'] ) {

						$matched_tax_rates[ $key ] = $rate;

					}

				}

			}

			$shipping_cost = $shipping_taxes = array();

				'tax_class' => ''

			) );

			if ( ! empty( $tax_rates ) ) {

				foreach ( $tax_rates as $key => $rate ) {

					if ( isset( $rate['shipping'] ) && 'yes' === $rate['shipping'] ) {

						$matched_tax_rates[ $key ] = $rate;

					}

				}

			}

			$shipping_taxes     = WC_Tax::calc_shipping_tax( $this->order_shipping, $matched_tax_rates );

			$shipping_tax_total = WC_Tax::round( array_sum( $shipping_taxes ) );