Set custom SoapServer response's namespace - php

Question

I am creating Soap server side.
Is there a way to change default namespace for soap envelope, body and header tags?
To proceed requests I'm using following code:
ini_set( "soap.wsdl_cache_enabled", "0");
$server = new SoapServer('myWsdl.wsdl');
$server->addFunction("GetDetails");
$server->handle();
function GetDetails(){
$body_xml = '<GetDetailsResponse>
<Name>My name</Name>
</GetDetailsResponse>';
$result = new SoapVar ($body_xml, XSD_ANYXML);
return $result;
}
This is what I get in response:
<?xml version="1.0" encoding="UTF-8"?>
<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/">
<SOAP-ENV:Body>
<GetDetailsResponse>
<Name>My name</Name>
</GetDetailsResponse>
</SOAP-ENV:Body>
</SOAP-ENV:Envelope>
This is what I want to get in response:
<?xml version="1.0" encoding="UTF-8"?>
<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/">
<s:Body>
<GetDetailsResponse>
<Name>My name</Name>
</GetDetailsResponse>
</s:Body>
</s:Envelope>