Package SimplePie\Caching
| SimplePie_Cache | Used to create cache objects |
| SimplePie_Cache_DB | Base class for database-based caches |
| SimplePie_Cache_File | Caches data to the filesystem |
| SimplePie_Cache_Memcache | Caches data to memcache |
| SimplePie_Cache_MySQL | Caches data to a MySQL database |
| SimplePie_Cache_Base | Base for cache objects |