public function saveTocache(Image $image, $namespace, $width, $height, $flag, $filename) { $this->cache->save($this->getCacheName($namespace, $width, $height, $flag, $filename), $image->toString(), array(Cache::EXPIRE => $this->cacheInvalidationTime, Cache::SLIDING => TRUE, Cache::FILES => $this->wwwDir . '/' . $this->prefix . '/' . $namespace . '/' . $filename)); return true; }