1. drupal
    1. 4.7
    2. 5
    3. 6 session.inc
Versions
4.7 – 6 sess_gc($lifetime)

Code

includes/session.inc, line 106

<?php
function sess_gc($lifetime) {
  // Be sure to adjust 'php_value session.gc_maxlifetime' to a large enough
  // value.  For example, if you want user sessions to stay in your database
  // for three weeks before deleting them, you need to set gc_maxlifetime
  // to '1814400'.  At that value, only after a user doesn't log in after
  // three weeks (1814400 seconds) will his/her session be removed.
  db_query("DELETE FROM {sessions} WHERE timestamp < %d", time() - $lifetime);

  return TRUE;
}
?>