--TEST-- Test ArrayObject::uksort() function : basic functionality --FILE-- 0, 2=>1, 5=>2, 6=>3, 1=>4)); $ao->uksort('cmp'); var_dump($ao); ?> --EXPECT-- *** Testing ArrayObject::uksort() : basic functionality *** object(ArrayObject)#1 (1) { ["storage":"ArrayObject":private]=> array(5) { [6]=> int(3) [5]=> int(2) [3]=> int(0) [2]=> int(1) [1]=> int(4) } }