private function handleHeader(&$delimiterFound, &$numBytes, &$tmp)
    {
        if ($tmp == "\r\n") {
            $numBytes = $this->adjustNumbytes($numBytes);
            $delimiterFound = true;
            $tmp = "";
            return;
        }
        
        if (substr($tmp, - 2, 2) == "\r\n") {
            $this->addParsedHeader($tmp);
            $tmp = "";
        }
    }