public function parseReturnHeaders($headers)
    {
        $head = [];
        foreach ($headers as $k => $v) {
            $t = explode(':', $v, 2);
            if (isset($t[1])) {
                $head[trim($t[0])] = trim($t[1]);
            } else {
                $head[] = $v;
                if (preg_match("#HTTP/[0-9\.]+\s+([0-9]+)#", $v, $out)) {
                    $head['reponse_code'] = intval($out[1]);
                }
            }
        }
        $this->debug->debug(__FUNCTION__, 'Response Header: ', $head);

        return $head;
    }