array(4) {
  [0]=>
  int(1)
  [1]=>
  int(2)
  [2]=>
  int(3)
  [3]=>
  int(4)
}
int(3)
bar
one
win
array(2) {
  ["foo"]=>
  string(3) "bar"
  [1]=>
  string(3) "one"
}
array(2) {
  [0]=>
  int(1)
  [1]=>
  string(1) "b"
}