How to fetch MydataID from the following xml format

This format of xml is obtained from a soapcall using curl function.

below $xml data is the respponse

$xml=’mydoubts.in434535345435435435435435-mydoubts.inmydoubts.in0true‘;

$response1 = str_replace(““,””,$xml);
$response2 = str_replace(““,””,$response1);
$parser = simplexml_load_string($response2);
$t= $parser->Hellomydata->Mydoubtresult->MydataID;
echo $t[0];

it will show the ouput as-> 434535345435435435435435-mydoubts.in