Grgory

// ok you have this filename, you generate a tag$filename = '...with/some/folders/file.ext';$tag = 'resized-by-'.$width.'x'.$height; // not sure if spaces are accepted$thumbCache = sfImageCache::getInstance('thumbnails'); // thumbnails is like a namespace to manage many caches$thumbnail = $thumbCache->get($filename, $tag);if (!$thumbnail) { ... do your resize here ... }return $thumbnail;