egroupware/phpgwapi/cron/stalesessions.php

<?php
  /**************************************************************************\
  * phpGroupWare                                                             *
  * http://www.phpgroupware.org                                              *
  * --------------------------------------------                             *
  *  This program is free software; you can redistribute it and/or modify it *
  *  under the terms of the GNU General Public License as published by the   *
  *  Free Software Foundation; either version 2 of the License, or (at your  *
  *  option) any later version.                                              *
  \**************************************************************************/
  
  /* $Id$ */

  // stalesession.php - to use instead of stalesession.pl
  // may be invoked via cron with "php stalesession.php"

  // config start
  $purgedelay = "3600";  // define allowed idle time before deletion in seconds
  $purgetime  = time() - $purgedelay;
  $db_user    = $ARGV[1];
  $db_pwd     = "my_pass";
  $db_server  = "localhost";
  $db_db      = "phpGroupWare";
  // config end - do not edit after here unless you really know what you do!
  
  // establish link:
  $link = mysql_connect("$db_server","$db_user","$db_pwd");
  mysql_query("use $db_db", $link);

  // delete old (timed out) sessions
  $query = sprintf("delete from phpgw_sessions where session_dla <= '$purgetime'");
  $res = mysql_query($query, $link);
?>