16     protected $users = null;  variable in auth_plugin_authremoteuser
112         if($this->users === null) $this->_loadUserData();
113         return isset($this->users[$user]) ? $this->users[$user] : false;
178         $this->users[$user] = compact('pass', 'name', 'mail', 'grps');
221         $this->users[$newuser] = $userinfo;
229      * @param   array  $users   array of users to be deleted
232     public function deleteUsers($users) {  argument
235         if(!is_array($users) || empty($users)) return 0;
237         if($this->users === null) $this->_loadUserData();
240         foreach($users as $user) {
241             if(isset($this->users[$user])) $deleted[] = preg_quote($user, '/');
253         $count = count($this->users);
255         $count -= count($this->users);
269         if($this->users === null) $this->_loadUserData();
271         if(!count($filter)) return count($this->users);
276         foreach($this->users as $user => $info) {
295         if($this->users === null) $this->_loadUserData();
297         ksort($this->users);
304         foreach($this->users as $user => $info) {
350         $this->users = array();
367             $this->users[$row[0]]['pass'] = $row[1];
368             $this->users[$row[0]]['name'] = urldecode($row[2]);
369             $this->users[$row[0]]['mail'] = $row[3];
370             $this->users[$row[0]]['grps'] = $groups;