array(int, 8) {
 [0] =>
  int(1)
 [1] =>
  int(2)
 [2] =>
  int(5)
 [3] =>
  int(6)
 [4] =>
  int(7)
 [5] =>
  int(9)
 [6] =>
  int(10)
 [7] =>
  int(14)
 }