Qiniu\Storage\ResumeUploader::makeFile PHP Method

    private function makeFile()
    {
        $url = $this->fileUrl();
        $body = implode(',', $this->contexts);
        $response = $this->post($url, $body);
        if ($response->needRetry()) {
            $response = $this->post($url, $body);
        }
        if (!$response->ok()) {
            return array(null, new Error($this->currentUrl, $response));
        }
        return array($response->json(), null);
    }