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(1) } [2]=> array(2) { ["attributes"]=> string(14) "grey-silver sm" ["max_qty"]=> int(2) } [3]=> array(2) { ["attributes"]=> string(14) "grey-silver ml" ["max_qty"]=> int(1) } }