string(2) "[]" array(4) { [0]=> array(4) { ["type"]=> string(5) "range" ["key"]=> string(5) "price" ["from"]=> string(2) "51" ["to"]=> string(3) "100" } [1]=> array(3) { ["type"]=> string(5) "terms" ["key"]=> string(8) "varietal" ["value"]=> array(1) { [0]=> string(10) "Chardonnay" } } [2]=> array(3) { ["type"]=> string(5) "terms" ["key"]=> string(6) "region" ["value"]=> array(1) { [0]=> string(8) "Portugal" } } [3]=> array(3) { ["type"]=> string(5) "range" ["key"]=> string(8) "quantity" ["from"]=> int(1) } }