JiraRestApi\JiraClient::createUploadHandle PHP Method

    private function createUploadHandle($url, $upload_file)
    {
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_URL, $url);
        // send file
        curl_setopt($ch, CURLOPT_POST, true);
        if (PHP_MAJOR_VERSION == 5 && PHP_MINOR_VERSION < 5) {
            $attachments = realpath($upload_file);
            $filename = basename($upload_file);
            curl_setopt($ch, CURLOPT_POSTFIELDS, array('file' => '@' . $attachments . ';filename=' . $filename));
            $this->log->addDebug('using legacy file upload');
        } else {
            // CURLFile require PHP > 5.5
            $attachments = new \CURLFile(realpath($upload_file));
            $attachments->setPostFilename(basename($upload_file));
            curl_setopt($ch, CURLOPT_POSTFIELDS, array('file' => $attachments));
            $this->log->addDebug('using CURLFile=' . var_export($attachments, true));
        }
        $this->authorization($ch);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, $this->getConfiguration()->isCurlOptSslVerifyHost());
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, $this->getConfiguration()->isCurlOptSslVerifyPeer());
        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
        curl_setopt($ch, CURLOPT_HTTPHEADER, array('Accept: */*', 'Content-Type: multipart/form-data', 'X-Atlassian-Token: nocheck'));
        curl_setopt($ch, CURLOPT_VERBOSE, $this->getConfiguration()->isCurlOptVerbose());
        $this->log->addDebug('Curl exec=' . $url);
        return $ch;
    }