/**
  * "Kill" timed out sessions, set "Away" online status for sessions with ping older than (updater_interval+N) seconds
  */
 function _s_cleanUp()
 {
     // Store current state
     $this_vars = $this->_db_getFromObject();
     // Get sessions
     $sessions = array();
     $query = $this->_db_makeQuery(2100, date('Y-m-d H:i:s', time() - 1800), date('Y-m-d H:i:s', time() - $this->_conf_all['session_timeout']), date('Y-m-d H:i:s', time() - 5));
     $result = $this->_db_query($query);
     while ($data = $this->_db_fetch($result, MYSQL_ASSOC)) {
         $sessions[] = $data;
     }
     $this->_db_freeResult($result);
     $this->_db_freeList();
     if (!empty($sessions)) {
         _pcpin_loadClass('session');
         $session = new PCPIN_Session($this, '', true);
         foreach ($sessions as $sessiondata) {
             $session->_db_setObject($sessiondata);
             $session->_s_logOut();
         }
     }
     // Delete old messages
     if (!empty($this->_conf_all['message_lifetime'])) {
         _pcpin_loadClass('message');
         $message = new PCPIN_Message($this);
         $message->deleteMessages(null, time() - $this->_conf_all['message_lifetime']);
     }
     // Unmute users
     _pcpin_loadClass('user');
     $user = new PCPIN_User($this);
     if ($user->_db_getList('id', 'global_muted_until > 0000-00-00 00:00:00', 'global_muted_until < ' . date('Y-m-d H:i:s'))) {
         $user_ids = $user->_db_list;
         $user->_db_freeList();
         foreach ($user_ids as $data) {
             // Unmute user
             $user->globalMuteUnmute($data['id'], 0);
         }
         // Add system messages
         _pcpin_loadClass('message');
         $message = new PCPIN_Message($this);
         foreach ($user_ids as $data) {
             if ($this->_db_getList('_s_room_id', '_s_user_id = ' . $data['id'], 1)) {
                 $message->addMessage(10111, 'n', 0, '', 0, 0, $data['id'] . '/0', date('Y-m-d H:i:s'), 0, '');
             }
         }
     }
     // Clean unbanned users
     if ($result = $this->_db_query($this->_db_makeQuery(2080, date('Y-m-d H:i:s')))) {
         $this->_db_freeResult($result);
     }
     // Clean not activated email addresses
     if (!empty($this->_conf_all['activate_new_emails'])) {
         _pcpin_loadClass('user');
         $user = new PCPIN_User($this);
         if ($user->_db_getList('id', 'email_new != ', 'email_new_date < ' . date('Y-m-d H:i:s', time() - 3600 * $this->_conf_all['new_email_activation_timeout']))) {
             $user_ids = $user->_db_list;
             $user->_db_freeList();
             foreach ($user_ids as $data) {
                 $user->_db_updateRow($data['id'], 'id', array('email_new' => '', 'email_new_date' => '', 'email_new_activation_code' => ''));
             }
         }
     }
     // Delete idle and/or not activated user accounts
     if (!PCPIN_SLAVE_MODE && $this->_conf_all['activate_new_accounts'] == 1 || !empty($this->_conf_all['account_pruning'])) {
         _pcpin_loadClass('user');
         $user = new PCPIN_User($this);
         $query = $this->_db_makeQuery(2060, $this->_conf_all['activate_new_accounts'] == 1 ? date('Y-m-d H:i:s', time() - 3600 * $this->_conf_all['new_account_activation_timeout']) : '', !empty($this->_conf_all['account_pruning']) ? date('Y-m-d H:i:s', time() - $this->_conf_all['account_pruning'] * 86400) : '');
         $user_ids = array();
         if ($result = $this->_db_query($query)) {
             while ($data = $this->_db_fetch($result, MYSQL_ASSOC)) {
                 $user_ids[] = $data['id'];
             }
             $this->_db_freeResult($result);
         }
         if (!empty($user_ids)) {
             foreach ($user_ids as $id) {
                 $user->deleteUser($id);
             }
         }
     }
     // Delete empty and timed out user rooms
     _pcpin_loadClass('room');
     $room = new PCPIN_Room($this);
     if ($room->_db_getList('id', 'type = u', 'users_count <= 0', 'last_ping < ' . date('Y-m-d H:i:s', time() - $this->_conf_all['empty_userroom_lifetime']))) {
         $rooms = $room->_db_list;
         $room->_db_freeList();
         foreach ($rooms as $data) {
             $room->deleteRoom($data['id']);
         }
         // Add system message
         _pcpin_loadClass('message');
         $message = new PCPIN_Message($this);
         $message->addMessage(1100, 'n', 0, '', 0, 0, '-', date('Y-m-d H:i:s'), 0, '');
     }
     // Delete old logs
     if (!empty($this->_conf_all['logging_period'])) {
         _pcpin_loadClass('message_log');
         $message_log = new PCPIN_Message_Log($this);
         $message_log->cleanUp();
     }
     // Restore current state
     $this->_db_setObject($this_vars);
 }