| LegacyPdoSessionHandler | Session handler using a PDO connection to read and write data. |
| MemcachedSessionHandler | MemcachedSessionHandler. |
| MemcacheSessionHandler | MemcacheSessionHandler. |
| MongoDbSessionHandler | MongoDB session handler. |
| NativeFileSessionHandler | NativeFileSessionHandler. |
| NativeSessionHandler | |
| NullSessionHandler | NullSessionHandler. |
| PdoSessionHandler | Session handler using a PDO connection to read and write data. |
| WriteCheckSessionHandler | Wraps another SessionHandlerInterface to only write the session when it has been modified. |