public function iqGetTo($to, $xml, $cb)
{
if (!isset($this->xml)) {
return false;
}
$id = $this->getId();
$this->xml->addIdHandler($id, $cb);
$this->sendXML('<iq xmlns="jabber:client" type="get" id="' . $id . '" to="' . htmlspecialchars($to) . '">' . $xml . '</iq>');
return true;
}