(PECL memcached >= 0.1.0)
Memcached::setMultiByKey — Store multiple items on a specific server
Memcached::setMultiByKey() is functionally equivalent to Memcached::setMulti(), except that the free-form server_key can be used to map the keys from items to a specific server. This is useful if you need to keep a bunch of related keys on a certain server.
The key identifying the server to store the value on.
An array of key/value pairs to store on the server.
The expiration time, defaults to 0. See Expiration Times for more info.
Returns TRUE on success or FALSE on failure. Use Memcached::getResultCode() if necessary.