set_url($CFG->wwwroot.'/mod/wiki/confirmlock.php'); header('Content-Type: text/plain'); $lockid = optional_param('lockid', 0, PARAM_INT); if($lockid == 0) { print 'noid'; exit; } if($lock=$DB->get_record('wiki_locks', array('id'=>$lockid))) { $lock->lockedseen=time(); $DB->update_record('wiki_locks',$lock); print 'ok'; } else { print 'cancel'; // Tells user their lock has been cancelled. }