protected function fetchCache($criteria)
    {
        $ser = serialize($criteria);

        if (isset($this->cache[$ser])) {
            return $this->cache[$ser];
        }
    }
protected function fetchCache($criteria)
    {
        $ser = serialize($criteria);

        if (isset($this->cache[$ser])) {
            return $this->cache[$ser];
        }
    }
protected function fetchCache ( $ criteria ) { $ ser = serialize ( $ criteria ) ; if ( isset ( $ this -> cache [ $ ser ] ) ) { return $ this -> cache [ $ ser ] ; } }
Get item from cache.

@method fetchCache

@param NObject $criteria

@return void|\Norm\Model
Get item from cache .