* Represents a filter group (used on ChangesListSpecialPage and descendants)
*
* @since 1.29
+ * @method registerFilter($filter)
*/
abstract class ChangesListFilterGroup {
/**
* @return bool
*/
public function anySelected( FormOptions $opts ) {
- return !!count( array_filter(
+ return (bool)count( array_filter(
$this->getFilters(),
function ( ChangesListFilter $filter ) use ( $opts ) {
return $filter->isSelected( $opts );