Phly\Conduit\Http\Response::getStatusCode PHP Method

    public function getStatusCode()
    {
        return $this->psrResponse->getStatusCode();
    }

 /**
  * Determine status code
  *
  * If the error is an exception with a code between 400 and 599, returns
  * the exception code.
  *
  * Otherwise, retrieves the code from the response; if not present, or
  * less than 400 or greater than 599, returns 500; otherwise, returns it.
  *
  * @param mixed $error
  * @param Http\Response $response
  * @return int
  */
 private function getStatusCode($error, Http\Response $response)
 {
     if ($error instanceof Exception && ($error->getCode() >= 400 && $error->getCode() < 600)) {
         return $error->getCode();
     }
     $status = $response->getStatusCode();
     if (!$status || $status < 400 || $status >= 600) {
         $status = 500;
     }
     return $status;
 }