Predis\Configuration\Option\Cluster::getConnectionInitializerByDescription PHP Метод

    protected function getConnectionInitializerByDescription(OptionsInterface $options, $description)
    {
        if ($description === 'predis') {
            $callback = $this->getDefault($options);
        } elseif ($description === 'redis') {
            $callback = function ($options) {
                return new RedisCluster($options->connections, new RedisStrategy($options->crc16));
            };
        } else {
            throw new \InvalidArgumentException('String value for the cluster option must be either `predis` or `redis`');
        }
        return $this->getConnectionInitializer($options, $callback);
    }