array(2) { ["pa_kleur"]=> object(WC_Product_Attribute)#30004 (1) { ["data":protected]=> array(6) { ["id"]=> int(2) ["name"]=> string(8) "pa_kleur" ["options"]=> array(1) { [0]=> int(120) } ["position"]=> int(0) ["visible"]=> bool(true) ["variation"]=> bool(false) } } ["pa_maat-broeken-s-m-6xl-7xl"]=> object(WC_Product_Attribute)#29340 (1) { ["data":protected]=> array(6) { ["id"]=> int(6) ["name"]=> string(27) "pa_maat-broeken-s-m-6xl-7xl" ["options"]=> array(9) { [0]=> int(227) [1]=> int(204) [2]=> int(205) [3]=> int(206) [4]=> int(207) [5]=> int(208) [6]=> int(209) [7]=> int(210) [8]=> int(211) } ["position"]=> int(1) ["visible"]=> bool(true) ["variation"]=> bool(true) } } }

int(1987)

int(1988)