PHP SoapServer return empty xml document (empty string)

Question

handle() from SoapServer return empty xml document (empty string). My code is basically:

    $soapService = new soapService();

    $soapServer = new \SoapServer('/path-to/my.wsdl');
    $soapServer->setObject($soapService);
    $soapServer->handle();

No errors are thrown... what i'm doing wrong?

The wsdl is here.

Answer 1

Solve my self... i have tried the soap only with HTTP GET request and SoapServer send response only with HTTP POST.