(PECL memcache >= 2.0.0)
Add a memcached server to connection pool
bool Memcache::addServer ( string $host [, int $port = 11211 [, bool $persistent [, int $weight [, int $timeout [, int $retry_interval [, bool $status [, callable $failure_callback [, int $timeoutms ]]]]]]]] )
Memcache::addServer() adds a server to the connection pool. You can also use the memcache_add_server() function.
When using this method (as oppos