Twitter::request PHP Method

    public function request($resource, $method, array $data = NULL, array $files = NULL)
    {
        if (!strpos($resource, '://')) {
            if (!strpos($resource, '.')) {
                $resource .= '.json';
            }
            $resource = self::API_URL . $resource;
        }
        $hasCURLFile = class_exists('CURLFile', FALSE) && defined('CURLOPT_SAFE_UPLOAD');
        foreach ((array) $data as $key => $val) {
            if ($val === NULL) {
                unset($data[$key]);
            } elseif ($files && !$hasCURLFile && substr($val, 0, 1) === '@') {
                throw new TwitterException('Due to limitation of cURL it is not possible to send message starting with @ and upload file at the same time in PHP < 5.5');
            }
        }
        foreach ((array) $files as $key => $file) {
            if (!is_file($file)) {
                throw new TwitterException("Cannot read the file {$file}. Check if file exists on disk and check its permissions.");
            }
            $data[$key] = $hasCURLFile ? new CURLFile($file) : '@' . $file;
        }
        $request = Twitter_OAuthRequest::from_consumer_and_token($this->consumer, $this->token, $method, $resource, $files ? [] : $data);
        $request->sign_request(new Twitter_OAuthSignatureMethod_HMAC_SHA1(), $this->consumer, $this->token);
        $options = [CURLOPT_HEADER => FALSE, CURLOPT_RETURNTRANSFER => TRUE] + ($method === 'POST' ? [CURLOPT_POST => TRUE, CURLOPT_POSTFIELDS => $files ? $data : $request->to_postdata(), CURLOPT_URL => $files ? $request->to_url() : $request->get_normalized_http_url()] : [CURLOPT_URL => $request->to_url()]) + $this->httpOptions;
        if ($method === 'POST' && $hasCURLFile) {
            $options[CURLOPT_SAFE_UPLOAD] = TRUE;
        }
        $curl = curl_init();
        curl_setopt_array($curl, $options);
        $result = curl_exec($curl);
        if (curl_errno($curl)) {
            throw new TwitterException('Server error: ' . curl_error($curl));
        }
        $payload = defined('JSON_BIGINT_AS_STRING') ? @json_decode($result, FALSE, 128, JSON_BIGINT_AS_STRING) : @json_decode($result);
        // intentionally @
        if ($payload === FALSE) {
            throw new TwitterException('Invalid server response');
        }
        $code = curl_getinfo($curl, CURLINFO_HTTP_CODE);
        if ($code >= 400) {
            throw new TwitterException(isset($payload->errors[0]->message) ? $payload->errors[0]->message : "Server error #{$code} with answer {$result}", $code);
        }
        return $payload;
    }

 function __construct($username = '******')
 {
     // prepare the client;
     $twitterClient = new \Twitter(getenv('TWITTER_CONSUMER_KEY'), getenv('TWITTER_CONSUMER_SECRET'), getenv('TWITTER_ACCESS_TOKEN'), getenv('TWITTER_ACCESS_TOKEN_SECRET'));
     // populate info
     try {
         $this->info = $twitterClient->request('users/show', 'GET', ['screen_name' => $username]);
     } catch (Exception $e) {
         return "Exception: {$e}";
     }
 }