return null;
}
- $cache = common_memcache();
+ $cache = Cache::instance();
if($cache) {
- $key = common_cache_key('attachments:etag:' . $this->path);
+ $key = Cache::key('attachments:etag:' . $this->path);
$etag = $cache->get($key);
if($etag === false) {
$etag = crc32(file_get_contents($this->path));