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']);
96         if ($this->users === null) $this->loadUserData();
97         return $this->users[$user] ?? false;
161         if (!io_saveFile($config_cascade['plainauth.users']['default'], $userline, true)) {
166         $this->users[$user] = [
194         // don't modify protected users
221 …if (!io_replaceInFile($config_cascade['plainauth.users']['default'], '/^' . $user . ':/', $userlin…
228         if (isset($this->users[$user])) unset($this->users[$user]);
229         $this->users[$newuser] = $userinfo;
234      * Remove one or more users from the list of registered users
237      * @param   array  $users   array of users to be deleted
238      * @return  int             the number of users deleted
240     public function deleteUsers($users)  argument
244         if (!is_array($users) || $users === []) return 0;
246         if ($this->users === null) $this->loadUserData();
249         foreach ($users as $user) {
250             // don't delete protected users
251             if (!empty($this->users[$user]['protected'])) {
255             if (isset($this->users[$user])) $deleted[] = preg_quote($user, '/');
261         if (!io_deleteFromFile($config_cascade['plainauth.users']['default'], $pattern, true)) {
267         $count = count($this->users);
269         $count -= count($this->users);
284         if ($this->users === null) $this->loadUserData();
286         if ($filter === []) return count($this->users);
291         foreach ($this->users as $user => $info) {
304      * @param   int   $limit max number of users to be returned
311         if ($this->users === null) $this->loadUserData();
313         Sort::ksort($this->users);
320         foreach ($this->users as $user => $info) {
346         if ($this->users === null) $this->loadUserData();
347         foreach ($this->users as $info) {
395         $this->users = $this->readUserFile($config_cascade['plainauth.users']['default']);
397         // support protected users
398         if (!empty($config_cascade['plainauth.users']['protected'])) {
399             $protected = $this->readUserFile($config_cascade['plainauth.users']['protected']);
403             $this->users = array_merge($this->users, $protected);
417         $users = [];
418         if (!file_exists($file)) return $users;
433             $users[$row[0]]['pass'] = $row[1];
434             $users[$row[0]]['name'] = urldecode($row[2]);
435             $users[$row[0]]['mail'] = $row[3];
436             $users[$row[0]]['grps'] = $groups;
438         return $users;