public function load_for_cache($key) {
        $message = api::get_most_recent_conversation_message($key);

        if ($message) {
            return $message->timecreated;
        } else {
            return null;
        }
    }
public function load_for_cache($key) {
        $message = api::get_most_recent_conversation_message($key);

        if ($message) {
            return $message->timecreated;
        } else {
            return null;
        }
    }
public function load_for_cache ( $ key ) { $ message = api :: get_most_recent_conversation_message ( $ key ) ; if ( $ message ) { return $ message -> timecreated ; } else { return null ; } }
Loads the data for the key provided ready formatted for caching.

@param string|int $key The key to load.
@return mixed What ever data should be returned, or false if it can't be loaded.
Loads the data for the key provided ready formatted for caching .