(PECL memcache >= 0.2.0)
Store data at the server
bool Memcache::set ( string $key, mixed $var [, int $flag [, int $expire ]] )
Memcache::set() stores an item var with key on the memcached server. Parameter expire is expiration time in seconds. If it's 0, the item never expires (but memcached server doesn't guarantee this item to be stored all the time, it could be deleted from the cache to make place for other items). Yo