32   protected $users = null;  variable in auth_plugin_authplaincas
466         $this->users[$USERINFO['uid']] = compact('name','mail','grps');
516     $this->users[$user] = $userinfo;
524    *  @param   array  $users   array of users to be deleted
527   function deleteUsers($users) {  argument
528     if (!is_array($users) || empty($users)) return 0;
530     if ($this->users === null) $this->_loadUserData();
533     foreach ($users as $user) {
534       if (isset($this->users[$user])) $deleted[] = preg_quote($user,'/');
542       foreach ($deleted as $user) unset($this->users[$user]);
547     $count = count($this->users);
549     $count -= count($this->users);
567     if($this->users === null) $this->_loadUserData();
568     return isset($this->users[$user]) ? $this->users[$user] : false;
580     $this->users = array();
594       $this->users[$row[0]]['name'] = $row[1];
595       $this->users[$row[0]]['mail'] = $row[2];
596       $this->users[$row[0]]['grps'] = $groups;
608     if($this->users === null) $this->_loadUserData();
610     if (!count($filter)) return count($this->users);
615     foreach ($this->users as $user => $info) {
632     if ($this->users === null) $this->_loadUserData();
634     ksort($this->users);
641     foreach ($this->users as $user => $info) {