public function onShutdown()
    {
        // Get the last error if there was one, if not, let's get out of here.
        if (!$error = error_get_last()) {
            return;
        }

        $fatal  = array(E_ERROR,E_PARSE,E_CORE_ERROR,E_COMPILE_ERROR,E_USER_ERROR,E_RECOVERABLE_ERROR);
        if (!in_array($error['type'], $fatal)) {
            return;
        }

        $message   = '[Shutdown Error]: %s';
        $message   = sprintf($message, $error['message']);
        $backtrace = array(array('file' => $error['file'], 'line' => $error['line']));

        $this->client->notifyOnError($message, $backtrace, 'error');
        error_log($message.' in: '.$error['file'].':'.$error['line']);
    }