array(8) {
  [0] => int(2)
  [1] => int(0)
  [2] => int(1)
  [3] => int(5)
  [4] => int(1)
  [5] => int(2)
  [6] => int(0)
  [7] => int(9)
}

string(8) "20261215"

array(8) {
  [0] => int(2)
  [1] => int(0)
  [2] => int(2)
  [3] => int(6)
  [4] => int(1)
  [5] => int(2)
  [6] => int(1)
  [7] => int(5)
}

array(3) {
  [0] => int(4)
  [1] => int(5)
  [2] => int(7)
}