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