* This will setup the session from the given ID. This is useful when
* background scripts inherit context when acting on behalf of a user.
*
- * $param array $params Result of RequestContext::exportSession()
+ * @note suhosin.session.encrypt may interfere with this method.
+ *
+ * @param array $params Result of RequestContext::exportSession()
* @return ScopedCallback
* @throws MWException
* @since 1.21