public function __construct()
{
// call parent constructor
parent::__construct();
// create the asyncronous curl handler
$this->handler = new CurlMultiHandler();
$httpClient = new Client(['handler' => HandlerStack::create($this->handler)]);
// have the request wrapper call guzzle asyncronously
$this->setRequestWrapper(new RequestWrapper(['scopes' => PubSubClient::FULL_CONTROL_SCOPE, 'httpHandler' => function ($request, $options = []) use($httpClient) {
return $httpClient->sendAsync($request, $options);
}, 'authHttpHandler' => HttpHandlerFactory::build()]));
}
