var_dump iso639 /concepts/cpp
object(Concept)#331 (1) {
  ["_c":protected]=>
  array(3) {
    ["prefLabel"]=>
    object(MLString)#332 (1) {
      ["_c":protected]=>
      array(2) {
        ["fr"]=>
        array(1) {
          [0]=>
          string(43) "créoles et pidgins basés sur le portugais"
        }
        ["en"]=>
        array(1) {
          [0]=>
          string(37) "Creoles and pidgins, Portuguese-based"
        }
      }
    }
    ["inScheme"]=>
    array(1) {
      [0]=>
      string(6) "alpha3"
    }
    ["topConceptOf"]=>
    array(1) {
      [0]=>
      string(6) "alpha3"
    }
  }
}