public function get_order( $id, $fields = null, $filter = array() ) {

		// ensure order ID is valid & user has permission to read
		$id = $this->validate_request( $id, $this->post_type, 'read' );

		if ( is_wp_error( $id ) ) {
			return $id;
		}

		// Get the decimal precession
		$dp         = ( isset( $filter['dp'] ) ? intval( $filter['dp'] ) : 2 );
		$order      = wc_get_order( $id );
		$order_data = array(
			'id'                        => $order->get_id(),
			'order_number'              => $order->get_order_number(),
			'created_at'                => $this->server->format_datetime( $order->get_date_created() ? $order->get_date_created()->getTimestamp() : 0, false, false ), // API gives UTC times.
			'updated_at'                => $this->server->format_datetime( $order->get_date_modified() ? $order->get_date_modified()->getTimestamp() : 0, false, false ), // API gives UTC times.
			'completed_at'              => $this->server->format_datetime( $order->get_date_completed() ? $order->get_date_completed()->getTimestamp() : 0, false, false ), // API gives UTC times.
			'status'                    => $order->get_status(),
			'currency'                  => $order->get_currency(),
			'total'                     => wc_format_decimal( $order->get_total(), $dp ),
			'subtotal'                  => wc_format_decimal( $order->get_subtotal(), $dp ),
			'total_line_items_quantity' => $order->get_item_count(),
			'total_tax'                 => wc_format_decimal( $order->get_total_tax(), $dp ),
			'total_shipping'            => wc_format_decimal( $order->get_shipping_total(), $dp ),
			'cart_tax'                  => wc_format_decimal( $order->get_cart_tax(), $dp ),
			'shipping_tax'              => wc_format_decimal( $order->get_shipping_tax(), $dp ),
			'total_discount'            => wc_format_decimal( $order->get_total_discount(), $dp ),
			'shipping_methods'          => $order->get_shipping_method(),
			'payment_details' => array(
				'method_id'    => $order->get_payment_method(),
				'method_title' => $order->get_payment_method_title(),
				'paid'         => ! is_null( $order->get_date_paid() ),
			),
			'billing_address' => array(
				'first_name' => $order->get_billing_first_name(),
				'last_name'  => $order->get_billing_last_name(),
				'company'    => $order->get_billing_company(),
				'address_1'  => $order->get_billing_address_1(),
				'address_2'  => $order->get_billing_address_2(),
				'city'       => $order->get_billing_city(),
				'state'      => $order->get_billing_state(),
				'postcode'   => $order->get_billing_postcode(),
				'country'    => $order->get_billing_country(),
				'email'      => $order->get_billing_email(),
				'phone'      => $order->get_billing_phone(),
			),
			'shipping_address' => array(
				'first_name' => $order->get_shipping_first_name(),
				'last_name'  => $order->get_shipping_last_name(),
				'company'    => $order->get_shipping_company(),
				'address_1'  => $order->get_shipping_address_1(),
				'address_2'  => $order->get_shipping_address_2(),
				'city'       => $order->get_shipping_city(),
				'state'      => $order->get_shipping_state(),
				'postcode'   => $order->get_shipping_postcode(),
				'country'    => $order->get_shipping_country(),
			),
			'note'                      => $order->get_customer_note(),
			'customer_ip'               => $order->get_customer_ip_address(),
			'customer_user_agent'       => $order->get_customer_user_agent(),
			'customer_id'               => $order->get_user_id(),
			'view_order_url'            => $order->get_view_order_url(),
			'line_items'                => array(),
			'shipping_lines'            => array(),
			'tax_lines'                 => array(),
			'fee_lines'                 => array(),
			'coupon_lines'              => array(),
		);

		// add line items
		foreach ( $order->get_items() as $item_id => $item ) {
			$product    = $item->get_product();
			$hideprefix = ( isset( $filter['all_item_meta'] ) && 'true' === $filter['all_item_meta'] ) ? null : '_';
			$item_meta  = $item->get_formatted_meta_data( $hideprefix );

			foreach ( $item_meta as $key => $values ) {
				$item_meta[ $key ]->label = $values->display_key;
				unset( $item_meta[ $key ]->display_key );
				unset( $item_meta[ $key ]->display_value );
			}

			$order_data['line_items'][] = array(
				'id'           => $item_id,
				'subtotal'     => wc_format_decimal( $order->get_line_subtotal( $item, false, false ), $dp ),
				'subtotal_tax' => wc_format_decimal( $item->get_subtotal_tax(), $dp ),
				'total'        => wc_format_decimal( $order->get_line_total( $item, false, false ), $dp ),
				'total_tax'    => wc_format_decimal( $item->get_total_tax(), $dp ),
				'price'        => wc_format_decimal( $order->get_item_total( $item, false, false ), $dp ),
				'quantity'     => $item->get_quantity(),
				'tax_class'    => $item->get_tax_class(),
				'name'         => $item->get_name(),
				'product_id'   => $item->get_variation_id() ? $item->get_variation_id() : $item->get_product_id(),
				'sku'          => is_object( $product ) ? $product->get_sku() : null,
				'meta'         => array_values( $item_meta ),
			);
		}

		// add shipping
		foreach ( $order->get_shipping_methods() as $shipping_item_id => $shipping_item ) {
			$order_data['shipping_lines'][] = array(
				'id'           => $shipping_item_id,
				'method_id'    => $shipping_item->get_method_id(),
				'method_title' => $shipping_item->get_name(),
				'total'        => wc_format_decimal( $shipping_item->get_total(), $dp ),
			);
		}

		// add taxes
		foreach ( $order->get_tax_totals() as $tax_code => $tax ) {
			$order_data['tax_lines'][] = array(
				'id'       => $tax->id,
				'rate_id'  => $tax->rate_id,
				'code'     => $tax_code,
				'title'    => $tax->label,
				'total'    => wc_format_decimal( $tax->amount, $dp ),
				'compound' => (bool) $tax->is_compound,
			);
		}

		// add fees
		foreach ( $order->get_fees() as $fee_item_id => $fee_item ) {
			$order_data['fee_lines'][] = array(
				'id'        => $fee_item_id,
				'title'     => $fee_item->get_name(),
				'tax_class' => $fee_item->get_tax_class(),
				'total'     => wc_format_decimal( $order->get_line_total( $fee_item ), $dp ),
				'total_tax' => wc_format_decimal( $order->get_line_tax( $fee_item ), $dp ),
			);
		}

		// add coupons
		foreach ( $order->get_items( 'coupon' ) as $coupon_item_id => $coupon_item ) {
			$order_data['coupon_lines'][] = array(
				'id'     => $coupon_item_id,
				'code'   => $coupon_item->get_code(),
				'amount' => wc_format_decimal( $coupon_item->get_discount(), $dp ),
			);
		}

		return array( 'order' => apply_filters( 'woocommerce_api_order_response', $order_data, $order, $fields, $this->server ) );
	}