/** @var NamespaceInfo */
private $nsInfo;
- /** @var string[] Cached results of getAllRights() */
- private $allRights = false;
+ /** @var string[]|null Cached results of getAllRights() */
+ private $allRights;
/** @var string[][] Cached user rights */
private $usersRights = null;
* @return string[] Array of permission names
*/
public function getAllPermissions() {
- if ( $this->allRights === false ) {
+ if ( $this->allRights === null ) {
if ( count( $this->options->get( 'AvailableRights' ) ) ) {
$this->allRights = array_unique( array_merge(
$this->coreRights,