Credis_Cluster::__construct PHP Method

    public function __construct($servers, $replicas = 128, $standAlone = false)
    {
        $this->clients = array();
        $this->masterClient = null;
        $this->aliases = array();
        $this->ring = array();
        $this->replicas = (int) $replicas;
        $client = null;
        foreach ($servers as $server) {
            if (is_array($server)) {
                $client = new Credis_Client($server['host'], $server['port'], isset($server['timeout']) ? $server['timeout'] : 2.5, isset($server['persistent']) ? $server['persistent'] : '', isset($server['db']) ? $server['db'] : 0, isset($server['password']) ? $server['password'] : null);
                if (isset($server['alias'])) {
                    $this->aliases[$server['alias']] = $client;
                }
                if (isset($server['master']) && $server['master'] === true) {
                    $this->masterClient = $client;
                    if (isset($server['write_only']) && $server['write_only'] === true) {
                        continue;
                    }
                }
            } elseif ($server instanceof Credis_Client) {
                $client = $server;
            } else {
                throw new CredisException('Server should either be an array or an instance of Credis_Client');
            }
            if ($standAlone) {
                $client->forceStandalone();
            }
            $this->clients[] = $client;
            for ($replica = 0; $replica <= $this->replicas; $replica++) {
                $md5num = hexdec(substr(md5($client->getHost() . ':' . $client->getPort() . '-' . $replica), 0, 7));
                $this->ring[$md5num] = count($this->clients) - 1;
            }
        }
        ksort($this->ring, SORT_NUMERIC);
        $this->nodes = array_keys($this->ring);
        $this->dont_hash = array_flip(array('RANDOMKEY', 'DBSIZE', 'PIPELINE', 'EXEC', 'SELECT', 'MOVE', 'FLUSHDB', 'FLUSHALL', 'SAVE', 'BGSAVE', 'LASTSAVE', 'SHUTDOWN', 'INFO', 'MONITOR', 'SLAVEOF'));
        if ($this->masterClient !== null && count($this->clients()) == 0) {
            $this->clients[] = $this->masterClient;
            for ($replica = 0; $replica <= $this->replicas; $replica++) {
                $md5num = hexdec(substr(md5($this->masterClient->getHost() . ':' . $this->masterClient->getHost() . '-' . $replica), 0, 7));
                $this->ring[$md5num] = count($this->clients) - 1;
            }
            $this->nodes = array_keys($this->ring);
        }
    }