Hello world!
printing hello world!
2 dogs43445324
0
1
2
3
4
0 => hi
1 => 2
2 => 7.5
myboolean => 1
12 => hello
13 => goodbye
array(6) {
  [0]=>
  string(2) "hi"
  [1]=>
  int(2)
  [2]=>
  float(7.5)
  ["myboolean"]=>
  bool(true)
  [12]=>
  string(5) "hello"
  [13]=>
  string(7) "goodbye"
}


Array
(
    [0] => hi
    [1] => 2
    [2] => 7.5
    [myboolean] => 1
    [12] => hello
    [13] => goodbye
)


integer