foreach ($catObjs as $cat_id => $catObj) {
                        // create selections: $cat_id-$cat_selected-$old_catsubcr_id-$old_catsubscr_quited
                        $selection      = [];
                        $selection[0]   = $cat_id;
                        $selection[1]   = in_array($cat_id, Request::getArray('cats')) ? '1' : '0'; //isset($_REQUEST["cats_{$cat_id}"]);