/**
* Set a cache item by key. Tags may also be added and a custom lifetime
* can be set. Non-string data is automatically serialized.
*
* @param string $key
* @param mixed $data
* @param array $tags use NULL
* @param integer $lifetime number of seconds until the cache expires
* @return boolean
*/
public function set($key, $data, $tags = NULL, $lifetime = NULL)
{
Cache::$queries['sets'][] = $key;
return parent::set($key, $data, $tags, $lifetime);
}
