public function printAll()
 {
     date_default_timezone_set("UTC");
     header('Content-Type: text/xml');
     $xml = parent::buildXML($this->connections);
     echo $xml->saveXML();
 }
 public function printAll()
 {
     date_default_timezone_set("UTC");
     $callback = isset($_GET['callback']) && ctype_alnum($_GET['callback']) ? $_GET['callback'] : false;
     header('Content-Type: ' . ($callback ? 'application/javascript' : 'application/json') . ';charset=UTF-8');
     $xml = parent::buildXML($this->connections);
     //yes this may cause some overhead, but it's the easiest way to implement this for now.
     $jsonstring = json_encode(new SimpleXMLElement($xml->saveXML(), LIBXML_NOCDATA));
     $jsonstring = preg_replace('/"@attributes":{(.*?)}/sm ', "\\1", $jsonstring);
     echo ($callback ? $callback . '(' : '') . $jsonstring . ($callback ? ')' : '');
 }