object(ArrayObject)#1 (3) {
  ["storage":"ArrayObject":private]=>
  object(Example)#2 (3) {
    ["property"]=>
    string(11) "prop:public"
    ["4"]=>
    string(4) "four"
    ["group"]=>
    array(2) {
      [0]=>
      string(2) "g1"
      [1]=>
      string(2) "g2"
    }
  }
  ["flags":"ArrayObject":private]=>
  int(0)
  ["iteratorClass":"ArrayObject":private]=>
  string(13) "ArrayIterator"
}
object(ArrayObject)#3 (3) {
  ["storage":"ArrayObject":private]=>
  array(3) {
    [0]=>
    string(4) "zero"
    [1]=>
    string(3) "one"
    [""]=>
    string(4) "last"
  }
  ["flags":"ArrayObject":private]=>
  int(0)
  ["iteratorClass":"ArrayObject":private]=>
  string(13) "ArrayIterator"
}