array(3) { [0]=> array(2) { ["attributes"]=> string(18) "tropical-mtk small" ["max_qty"]=> int(0) } [1]=> array(2) { ["attributes"]=> string(19) "tropical-mtk medium" ["max_qty"]=> int(0) } [2]=> array(2) { ["attributes"]=> string(18) "tropical-mtk large" ["max_qty"]=> int(1) } }