array(4) { [0]=> array(2) { ["attributes"]=> string(8) "green sm" ["max_qty"]=> int(2) } [1]=> array(2) { ["attributes"]=> string(8) "green ml" ["max_qty"]=> int(0) } [2]=> array(2) { ["attributes"]=> string(6) "red sm" ["max_qty"]=> int(2) } [3]=> array(2) { ["attributes"]=> string(6) "red ml" ["max_qty"]=> int(0) } }