// Is this an existing product?
                                                    if (!empty($product['code'])) {
                                                        $productquery = "SELECT `id` FROM `" . $wpdb -> prefix . $Product -> table . "`";
                                                        $productquery .= (!empty($product['code'])) ? " WHERE `code` = '" . $product['code'] . "'" : '';
                                                        if ($product_id = $wpdb -> get_var($productquery)) {
                                                            $product['id'] = $product_id;
                                                        }
                                                    }