array(2) { ["pa_kleur"]=> object(WC_Product_Attribute)#4726 (1) { ["data":protected]=> array(6) { ["id"]=> int(2) ["name"]=> string(8) "pa_kleur" ["options"]=> array(1) { [0]=> int(122) } ["position"]=> int(0) ["visible"]=> bool(true) ["variation"]=> bool(false) } } ["pa_maat-s-xxxl"]=> object(WC_Product_Attribute)#3466 (1) { ["data":protected]=> array(6) { ["id"]=> int(10) ["name"]=> string(14) "pa_maat-s-xxxl" ["options"]=> array(5) { [0]=> int(221) [1]=> int(222) [2]=> int(223) [3]=> int(224) [4]=> int(225) } ["position"]=> int(1) ["visible"]=> bool(true) ["variation"]=> bool(true) } } }

int(4069)