array(4) { [0]=> array(2) { ["attributes"]=> string(11) "black small" ["max_qty"]=> int(2) } [1]=> array(2) { ["attributes"]=> string(12) "black medium" ["max_qty"]=> int(0) } [2]=> array(2) { ["attributes"]=> string(15) "off-white small" ["max_qty"]=> int(0) } [3]=> array(2) { ["attributes"]=> string(16) "off-white medium" ["max_qty"]=> int(0) } }