foo bar baz
foo bar baz lorem
$text lorem
foo bar baz $text lorem
foo bar baz $text lorem
foo bar baz $text lorem
123
3.14
126.14
1

bool(true)
bool(false)

NULL
Array
Array

array(3) {
  [0]=>
  string(6) "ananas"
  [1]=>
  string(6) "banane"
  [2]=>
  string(6) "cerise"
}

array(3) {
  [0]=>
  string(9) "aubergine"
  [1]=>
  string(8) "brocolis"
  [2]=>
  string(7) "carotte"
}

array(3) {
  ["a"]=>
  string(9) "aubergine"
  ["b"]=>
  string(8) "brocolis"
  ["c"]=>
  string(7) "carotte"
}