# ri > ActionDispatch::Session::StaleSessionCheck

## [ActionDispatch::Session::StaleSessionCheck](https://www.chedong.com/phpMan.php/perldoc/ActionDispatch%3A%3ASession%3A%3AStaleSessionCheck/markdown)

(from /home/chedong/.local/share/rdoc)
------------------------------------------------------------------------
## Instance methods:

  extract_session_id
  load_session
  stale_session_check!