Package SimplePie
| SimplePie\API |
| SimplePie\Caching |
| SimplePie\HTTP |
| SimplePie\Parsing |
| SimplePie_Decode_HTML_Entities | Decode HTML Entities |
| SimplePie_Locator | Used for feed auto-discovery |
| SimplePie_Misc | Miscellanous utilities |
| SimplePie_Registry | Handles creating objects and calling methods |
| SimplePie_Sanitize | Used for data cleanup and post-processing |