$id = $doc->createElement("id");
                    $id->appendChild(
                        $doc->createTextNode($_product->getId())
                    );
                    $product->appendChild($id);

                    $name = $doc->createElement("name");
                    $name->appendChild(
                        $doc->createTextNode(trim($_product->getName()))
                    );
                    $product->appendChild($name);

                    $description = $doc->createElement("description");
                    $str = strip_tags($_product->getDescription());
                    //preg_replace('/[^a-zA-Z0-9_ %[].()%&-]/s', '',  $str);
                    $description->appendChild(
                        $doc->createTextNode($str)
                    );
                    $product->appendChild($description);

                    $url = $doc->createElement("url");
                    $url->appendChild(
                        $doc->createTextNode(trim($_product->getProductUrl()))
                    );
                    $product->appendChild($url);

                    $brand = $doc->createElement("brand");
                    $brand->appendChild(
                        $doc->createTextNode($_product->getBrand())
                    );
                    $product->appendChild($brand);


                    $price = $doc->createElement("price");
                    $price->appendChild(
                        $doc->createTextNode(trim((int)$_product->getPrice()))
                    );
                    $product->appendChild($price);

                    $original_price = $doc->createElement("original_price");
                    $original_price->appendChild(
                        $doc->createTextNode(trim((int)$_product->getOriginalPrice()))
                    );
                    $product->appendChild($original_price);

                    $currency = $doc->createElement("currency");
                    $currency->appendChild(
                        $doc->createTextNode($_product->getCurrency())
                    );
                    $product->appendChild($currency);

                    $category = $doc->createElement("category");
                    $category->appendChild(
                        $doc->createTextNode($_product->getCategory())
                    );
                    $product->appendChild($category);




                    $root->appendChild($product);

                }
                    file_put_contents($file, $doc->saveXML(), FILE_APPEND);
                }

}