yii\caching\MemCache::addMemcacheServers PHP Метод

    protected function addMemcacheServers($cache, $servers)
    {
        $class = new \ReflectionClass($cache);
        $paramCount = $class->getMethod('addServer')->getNumberOfParameters();
        foreach ($servers as $server) {
            // $timeout is used for memcache versions that do not have $timeoutms parameter
            $timeout = (int) ($server->timeout / 1000) + ($server->timeout % 1000 > 0 ? 1 : 0);
            if ($paramCount === 9) {
                $cache->addserver($server->host, $server->port, $server->persistent, $server->weight, $timeout, $server->retryInterval, $server->status, $server->failureCallback, $server->timeout);
            } else {
                $cache->addserver($server->host, $server->port, $server->persistent, $server->weight, $timeout, $server->retryInterval, $server->status, $server->failureCallback);
            }
        }
    }