string(2) "[]" array(4) { [0]=> array(4) { ["type"]=> string(5) "range" ["key"]=> string(7) "vintage" ["from"]=> string(4) "1990" ["to"]=> string(4) "1999" } [1]=> array(3) { ["type"]=> string(5) "terms" ["key"]=> string(8) "varietal" ["value"]=> array(1) { [0]=> string(4) "Port" } } [2]=> array(3) { ["type"]=> string(5) "terms" ["key"]=> string(6) "region" ["value"]=> array(4) { [0]=> string(6) "France" [1]=> string(5) "Rhone" [2]=> string(4) "Cote" [3]=> string(5) "Rotie" } } [3]=> array(3) { ["type"]=> string(5) "range" ["key"]=> string(8) "quantity" ["from"]=> int(1) } }