18     protected $users;  variable in auth_plugin_authplain
39         if (!@is_readable($config_cascade['plainauth.users']['default'])) {
42             if (@is_writable($config_cascade['plainauth.users']['default'])) {
76         return auth_verifyPassword($pass, $this->users[$user]['pass']);
97         if ($this->users === null) $this->loadUserData();
98         return $this->users[$user] ?? false;
162         if (!io_saveFile($config_cascade['plainauth.users']['default'], $userline, true)) {
167         $this->users[$user] = [
195         // don't modify protected users
222 …if (!io_replaceInFile($config_cascade['plainauth.users']['default'], '/^' . $user . ':/', $userlin…
229         if (isset($this->users[$user])) unset($this->users[$user]);
230         $this->users[$newuser] = $userinfo;
235      * Remove one or more users from the list of registered users
238      * @param   array  $users   array of users to be deleted
239      * @return  int             the number of users deleted
241     public function deleteUsers($users)  argument
245         if (!is_array($users) || $users === []) return 0;
247         if ($this->users === null) $this->loadUserData();
250         foreach ($users as $user) {
251             // don't delete protected users
252             if (!empty($this->users[$user]['protected'])) {
256             if (isset($this->users[$user])) $deleted[] = preg_quote($user, '/');
262         if (!io_deleteFromFile($config_cascade['plainauth.users']['default'], $pattern, true)) {
268         $count = count($this->users);
270         $count -= count($this->users);
285         if ($this->users === null) $this->loadUserData();
287         if ($filter === []) return count($this->users);
292         foreach ($this->users as $user => $info) {
305      * @param   int   $limit max number of users to be returned
312         if ($this->users === null) $this->loadUserData();
314         Sort::ksort($this->users);
321         foreach ($this->users as $user => $info) {
347         if ($this->users === null) $this->loadUserData();
348         foreach ($this->users as $info) {
396         $this->users = $this->readUserFile($config_cascade['plainauth.users']['default']);
398         // support protected users
399         if (!empty($config_cascade['plainauth.users']['protected'])) {
400             $protected = $this->readUserFile($config_cascade['plainauth.users']['protected']);
404             $this->users = array_merge($this->users, $protected);
418         $users = [];
419         if (!file_exists($file)) return $users;
434             $users[$row[0]]['pass'] = $row[1];
435             $users[$row[0]]['name'] = urldecode($row[2]);
436             $users[$row[0]]['mail'] = $row[3];
437             $users[$row[0]]['grps'] = $groups;
439         return $users;