print_r: Array
(
    [0] => Montag
    [1] => Dienstag
    [2] => Mittwoch
)
<br />var_dump: array(3) {
  [0]=>
  string(6) "Montag"
  [1]=>
  string(8) "Dienstag"
  [2]=>
  string(8) "Mittwoch"
}