array(6) {
  [0]=>
  string(2) "ec"
  [1]=>
  string(4) "m115"
  [2]=>
  string(4) "2022"
  [3]=>
  string(2) "b5"
  [4]=>
  string(4) "m115"
  [5]=>
  string(4) "m112"
}