+ if (isset($permission)) {
+ if (!$this->admin) {
+ return FALSE; # empty results
+ }
+ @list ($rootlevel, $sublevel) = explode(' ', $permission);
+ if ($sublevel and isset($this->admin[$rootlevel])) {
+ return TRUE; # root match
+ }
+ return isset($this->admin[$permission]); # check level
+ }
+ if (!@file_exists("{$this->dir}/.admin")) {
+ return FALSE; # not an admin
+ }
+ return array_fill_keys(explode("\n", file_get_contents("{$this->dir}/.admin")), TRUE);