array(6) {
  [0]=>
  string(3) "ម"
  [1]=>
  string(3) "ុ"
  [2]=>
  string(3) "ខ"
  [3]=>
  string(3) "វ"
  [5]=>
  string(3) "ិ"
  [6]=>
  string(3) "ជ"
}
7 == ជ == ជ