static function toXml($json, $objOption)
 {
     $obj = array('name' => $objOption[Request::BODY_TAG], 'attributes' => array('xmlns:xsi' => "http://www.w3.org/2001/XMLSchema-instance", 'xmlns:xsd' => "http://www.w3.org/2001/XMLSchema", 'MajorVersion' => 3, 'xmlns' => 'http://www.nrf-arts.org/IXRetail/namespace/'));
     $header = array();
     $header['name'] = 'ARTSHeader';
     $header['attributes'] = array('MessageType' => 'Request');
     $header[] = array('name' => 'DateTime', 'value' => date('c'));
     if ($objOption[Request::HEADER_OPTION]) {
         $header['attributes'] = array_merge($header['attributes'], $objOption[Request::HEADER_OPTION]);
     }
     $header[] = $objOption[Request::HEADER_CONTENT];
     $obj[] = $header;
     $body = array();
     $body['name'] = 'CustomerBody';
     $body['attributes'] = $objOption[Request::BODY_OPTION];
     $body = array_merge($body, Request::parseArray(Request::toArray($json)));
     $obj[] = $body;
     $doc = new DOMDocument();
     $child = Request::generate_xml_element($doc, $obj);
     if ($child) {
         $doc->appendChild($child);
     }
     $doc->formatOutput = true;
     // Add whitespace to make easier to read XML
     $xml = $doc->saveXML();
     return $xml;
 }