Dev blog 2568 2

    /**
     * Get order VAT Number data in one object/array.
     *
     * @param  WC_Order $order The order object.
     * @return object
     */
    protected static function get_order_vat_data( $order ) {
        if ( version_compare( WC_VERSION, '2.7', '<' ) ) { 
            return (object) array( 
                'vat_number'      => get_post_meta( $order->id, '_vat_number', true ),
                'valid'           => 'true' === get_post_meta( $order->id, '_vat_number_is_valid', true ),
                'validated'       => 'true' === get_post_meta( $order->id, '_vat_number_is_validated', true ),
                'billing_country' => $order->billing_country,
                'ip_address'      => get_post_meta( $order->id, '_customer_ip_address', true ),
                'ip_country'      => get_post_meta( $order->id, '_customer_ip_country', true ),
                'self_declared'   => 'true' === get_post_meta( $order->id, '_customer_self_declared_country', true ),
            );
        } else {
            return (object) array(
                'vat_number'      => $order->get_meta( '_vat_number', true ),
                'valid'           => wc_string_to_bool( $order->get_meta( '_vat_number_is_valid', true ) ),
                'validated'       => wc_string_to_bool( $order->get_meta( '_vat_number_is_validated', true ) ),
                'billing_country' => $order->get_billing_country(),
                'ip_address'      => $order->get_customer_ip_address(),
                'ip_country'      => $order->get_meta( '_customer_ip_country', true ),
                'self_declared'   => wc_string_to_bool( $order->get_meta( '_customer_self_declared_country', true ) ),
            );
        }
    }