setServers() public method
See also:
http://php.net/manual/en/memcache.addserver.php
http://php.net/manual/en/memcached.addserver.php
public void setServers ( $config )$config array
List of memcache or memcached server configurations. Each element must be an array with the following keys: host, port, persistent, weight, timeout, retryInterval, status.