protected function sortColumns()
    {
        $this->config->getColumns()->sort(function (FieldConfig $a, FieldConfig $b) {
            return $a->getOrder() > $b->getOrder();
        });
    }
protected function sortColumns()
    {
        $this->config->getColumns()->sort(function (FieldConfig $a, FieldConfig $b) {
            return $a->getOrder() > $b->getOrder();
        });
    }
protected function sortColumns ( ) { $ this -> config -> getColumns ( ) -> sort ( function ( FieldConfig $ a , FieldConfig $ b ) { return $ a -> getOrder ( ) > $ b -> getOrder ( ) ; } ) ; }
Sorts columns according to its order.
Sorts columns according to its order .