public function addServer($host, $port = 11211, $weight = 1)
    {
        $this->memcached->addServer($host, $port, $weight);

        return $this;
    }
public function addServer($host, $port = 11211, $weight = 1)
    {
        $this->memcached->addServer($host, $port, $weight);

        return $this;
    }
public function addServer ( $ host , $ port = 11211 , $ weight = 1 ) { $ this -> memcached -> addServer ( $ host , $ port , $ weight ) ; return $ this ; }
Add server to Memcached.

@param (string) $host
(int) $port
(int) $weight

@since 3.0.0

@return object
Add server to Memcached .