array(3) { [0]=> array(2) { ["attributes"]=> string(9) "red small" ["max_qty"]=> int(0) } [1]=> array(2) { ["attributes"]=> string(10) "red medium" ["max_qty"]=> int(0) } [2]=> array(2) { ["attributes"]=> string(9) "red large" ["max_qty"]=> int(1) } }