[Mark Hensler]

ascii flow chart (sort of)

updating session table..
--
ENTER

sql: DELETE FROM session_table WHERE timestamp>(now()-$session_timeout)

sql: UPDATE INTO session_table SET timestamp=now() AND session_id=$your_session_id

RETURN
--

reading sessions table..
--
ENTER

sql: SELECT * FROM session_table
php: print all returned records

RETURN
--

You'll have to define $session_timeout as an integer constant. This will signify how long to keep a session before killing it.

You'll also have to generate a unique $your_session_id and use it to track users.