- shelfname => $shelfname,
- shelfnumber => $shelfnumber,
- viewshelf => $shelfnumber,
- authorsort => $authorsort,
- yearsort => $yearsort,
- manageshelf => $manageshelf,
- itemsloop => $items,
+ shelfname => $shelfname,
+ shelfnumber => $shelfnumber,
+ viewshelf => $shelfnumber,
+ authorsort => $authorsort,
+ yearsort => $yearsort,
+ manageshelf => $manageshelf,
+ "category$category" => 1,
+ category => $category,
+ itemsloop => $items,