11     protected $groups = array();  variable in helper_plugin_structgroup_authgroup
18         $groups = [];
31             $groups[] = $grp;
34         return array_unique($groups);
46 …    $groups = array_map(function($userinfo) { return $userinfo['grps']; }, $auth->retrieveUsers());
47         $groups = call_user_func_array('array_merge', $groups);
48         $groups = array_merge($groups, $this->loadGroupsFromAcl());
50         $this->groups = array_unique($groups);
59         $groups = $this->groups;
60         if ($filter != '') $groups = array_filter($groups, function ($group) use ($filter) {
64         return array_slice($groups, 0, $length);