Рекурсивные (классические) и традиционные

Array ( [SORT] => CATALOG_QUANTITY [ARR] => DESC )

Array ( [ACTIVE] => Array ( [0] => Y [1] => N ) [>PRICE_3] => 0 [0] => Array ( [LOGIC] => OR [ACTIVE] => Array ( [0] => N ) [>PRICE_3] => 0 [0] => Array ( [LOGIC] => AND [ACTIVE] => Array ( [0] => N ) [>PRICE_3] => 0 [!PREVIEW_PICTURE] => ) ) )