woothemes / woocommerce

			// Billing address

			$billing_address = array();

			if ( $this->checkout_fields['billing'] ) {

				foreach ( array_keys( $this->checkout_fields['billing'] ) as $field ) {

					$field_name = str_replace( 'billing_', '', $field );

					$billing_address[ $field_name ] = $this->get_posted_address_data( $field_name );

				}

			}

			// Shipping address.

			$shipping_address = array();

			// Shipping address.

			$shipping_address = array();

			if ( $this->checkout_fields['shipping'] ) {

				foreach ( array_keys( $this->checkout_fields['shipping'] ) as $field ) {

					$field_name = str_replace( 'shipping_', '', $field );

					$shipping_address[ $field_name ] = $this->get_posted_address_data( $field_name, 'shipping' );

				}

			}

			$order->set_address( $billing_address, 'billing' );

			$order->set_address( $shipping_address, 'shipping' );