protected function getFromFirstLevelCache($cacheId)
    {
        if (!empty(self::$firstLevelCache[$this->cacheName][$cacheId])) {
            return self::$firstLevelCache[$this->cacheName][$cacheId];
        }

        return null;
    }
protected function getFromFirstLevelCache($cacheId)
    {
        if (!empty(self::$firstLevelCache[$this->cacheName][$cacheId])) {
            return self::$firstLevelCache[$this->cacheName][$cacheId];
        }

        return null;
    }
protected function getFromFirstLevelCache ( $ cacheId ) { if ( ! empty ( self :: $ firstLevelCache [ $ this -> cacheName ] [ $ cacheId ] ) ) { return self :: $ firstLevelCache [ $ this -> cacheName ] [ $ cacheId ] ; } return null ; }
Retrieves a value from the first level cache.

@param string $cacheId
@return mixed|null
Retrieves a value from the first level cache .