array(2) { ["pa_kleur"]=> object(WC_Product_Attribute)#29734 (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-1-5"]=> object(WC_Product_Attribute)#29613 (1) { ["data":protected]=> array(6) { ["id"]=> int(4) ["name"]=> string(11) "pa_maat-1-5" ["options"]=> array(2) { [0]=> int(192) [1]=> int(193) } ["position"]=> int(1) ["visible"]=> bool(true) ["variation"]=> bool(true) } } }

int(2193)