object(ArrayObject)#1 (3) {
  ["storage":"ArrayObject":private]=>
  array(3) {
    [0]=>
    int(1)
    [1]=>
    int(2)
    [2]=>
    int(3)
  }
  ["flags":"ArrayObject":private]=>
  int(0)
  ["iteratorClass":"ArrayObject":private]=>
  string(13) "ArrayIterator"
}
object(ArrayObject)#2 (3) {
  ["storage":"ArrayObject":private]=>
  array(3) {
    [0]=>
    int(1)
    [1]=>
    int(2)
    [2]=>
    int(3)
  }
  ["flags":"ArrayObject":private]=>
  int(0)
  ["iteratorClass":"ArrayObject":private]=>
  string(13) "ArrayIterator"
}
NULL
bool(true)