array(3) { [0]=> array(2) { ["attributes"]=> string(17) "grey-silver small" ["max_qty"]=> int(3) } [1]=> array(2) { ["attributes"]=> string(18) "grey-silver medium" ["max_qty"]=> int(1) } [2]=> array(2) { ["attributes"]=> string(17) "grey-silver large" ["max_qty"]=> int(1) } }