array(4) { [0]=> array(2) { ["attributes"]=> string(10) "magenta sm" ["max_qty"]=> int(1) } [1]=> array(2) { ["attributes"]=> string(10) "magenta ml" ["max_qty"]=> int(0) } [2]=> array(2) { ["attributes"]=> string(9) "yellow sm" ["max_qty"]=> int(1) } [3]=> array(2) { ["attributes"]=> string(9) "yellow ml" ["max_qty"]=> int(1) } }