Array ( [kg] => Array ( [wcd.title] => Kilogram [wcd.unit] => kg [weight_class_id] => 1 ) [g] => Array ( [wcd.title] => Gram [wcd.unit] => g [weight_class_id] => 2 ) [lb] => Array ( [wcd.title] => Pound [wcd.unit] => lb [weight_class_id] => 5 ) [oz] => Array ( [wcd.title] => Ounce [wcd.unit] => oz [weight_class_id] => 6 ) )
Array ( [cm] => Array ( [length_class_id] => 1 [lcd.title] => Centimeter [lcd.unit] => cm ) [mm] => Array ( [length_class_id] => 2 [lcd.title] => Millimeter [lcd.unit] => mm ) [in] => Array ( [length_class_id] => 3 [lcd.title] => Inch [lcd.unit] => in ) )