Array
(
    [2] => music
    [5] => movie
    [1] => computer
    [6] => software
)
array(4) {
  [2]=>
  string(5) "music"
  [5]=>
  string(5) "movie"
  [1]=>
  string(8) "computer"
  [6]=>
  string(8) "software"
}