code: public function oauth($path, array $parameters = [])
      {
          $response = [];
          $this->resetLastResponse();
          $this->response->setApiPath($path);
          $url = sprintf('%s/%s', self::API_HOST, $path);
          $result = $this->oAuthRequest($url, 'POST', $parameters);
  
          if ($this->getLastHttpCode() != 200) {
              throw new TwitterOAuthException($result);
          }
  
          parse_str($result, $response);
          $this->response->setBody($response);
  
          return $response;
      }
docs: Make /oauth/* requests to the API.
  
  @param string $path
  @param array  $parameters
  
  @return array
  @throws TwitterOAuthException