Hprose\Service::addAsyncFunctions PHP Method

    public function addAsyncFunctions(array $funcs, array $aliases = array(), array $options = array())
    {
        if (!empty($aliases) && empty($options) && array_keys($funcs) != array_key($aliases)) {
            $options = $aliases;
            $aliases = array();
        }
        $options['async'] = true;
        return $this->addFunctions($funcs, $aliases, $options);
    }