Array
(
    [0] => 1
    [1] => 1
    [2] => 1
    [3] => 13
    [4] => 1
    [8] => 1
    [9] => 19
)
Array
(
    [1] => Janvier
    [2] => Février
    [3] => Mars
)
Hello baz!array(4) {
  [0]=>
  string(2) "10"
  [1]=>
  string(1) "a"
  [2]=>
  int(100)
  [3]=>
  int(100)
}
array(4) {
  [0]=>
  int(1)
  [1]=>
  int(1)
  [2]=>
  string(1) "2"
  [3]=>
  int(3)
}


Classer un tableau multi-dimensionnel

array(2) {
  [0]=>
  array(5) {
    [0]=>
    string(2) "10"
    [1]=>
    int(100)
    [2]=>
    int(100)
    [3]=>
    int(11)
    [4]=>
    string(1) "a"
  }
  [1]=>
  array(5) {
    [0]=>
    int(1)
    [1]=>
    int(3)
    [2]=>
    string(1) "2"
    [3]=>
    int(2)
    [4]=>
    int(1)
  }
}