array(3) {
  [0]=>
  string(5) "praha"
  [1]=>
  string(4) "brno"
  [2]=>
  string(5) "plzen"
}
array(2) {
  [0]=>
  string(4) "post"
  [1]=>
  string(7) "digital"
}
array(4) {
  [0]=>
  string(7) "complex"
  [1]=>
  string(4) "flat"
  [2]=>
  string(5) "house"
  ["other_3"]=>
  string(3) "sda"
}