array(3) { [0]=> array(2) { ["attributes"]=> string(10) "grey small" ["max_qty"]=> int(2) } [1]=> array(2) { ["attributes"]=> string(11) "grey medium" ["max_qty"]=> int(0) } [2]=> array(2) { ["attributes"]=> string(10) "grey large" ["max_qty"]=> int(0) } }