Петли

 array(3) {
  ["SHOWS"]=>
  array(3) {
    ["KEY"]=>
    string(5) "SHOWS"
    ["SORT"]=>
    string(5) "SHOWS"
    ["ORDER_VALUES"]=>
    array(1) {
      ["desc"]=>
      string(35) "Сначала популярные"
    }
  }
  ["PRICES"]=>
  array(3) {
    ["KEY"]=>
    string(6) "PRICES"
    ["SORT"]=>
    string(16) "CATALOG_PRICE_21"
    ["ORDER_VALUES"]=>
    array(2) {
      ["asc"]=>
      string(29) "Сначала дешевле"
      ["desc"]=>
      string(27) "Сначала дороже"
    }
  }
  ["PROPERTY_EXTENDED_REVIEWS_RAITING"]=>
  array(3) {
    ["KEY"]=>
    string(33) "PROPERTY_EXTENDED_REVIEWS_RAITING"
    ["SORT"]=>
    string(33) "PROPERTY_EXTENDED_REVIEWS_RAITING"
    ["ORDER_VALUES"]=>
    array(2) {
      ["asc"]=>
      string(34) "С низким рейтингом"
      ["desc"]=>
      string(36) "С высоким рейтингом"
    }
  }
}
 

 string(5) "SHOWS"