var_dump /eurovoc /concepts/3831
object(Concept)#797 (1) {
  ["_c":protected]=>
  array(6) {
    ["inScheme"]=>
    array(2) {
      [0]=>
      int(100141)
      [1]=>
      int(100270)
    }
    ["prefLabel"]=>
    object(MLString)#798 (1) {
      ["_c":protected]=>
      array(2) {
        ["fr"]=>
        array(1) {
          [0]=>
          string(21) "machine sidérurgique"
        }
        ["en"]=>
        array(1) {
          [0]=>
          string(32) "iron and steel-working machinery"
        }
      }
    }
    ["altLabel"]=>
    object(MLString)#799 (1) {
      ["_c":protected]=>
      array(2) {
        ["fr"]=>
        array(8) {
          [0]=>
          string(23) "matériel sidérurgique"
          [1]=>
          string(14) "train à bande"
          [2]=>
          string(19) "train à feuillards"
          [3]=>
          string(12) "train à fil"
          [4]=>
          string(18) "train à profilés"
          [5]=>
          string(17) "train de laminoir"
          [6]=>
          string(13) "haut fourneau"
          [7]=>
          string(8) "laminoir"
        }
        ["en"]=>
        array(6) {
          [0]=>
          string(13) "blast furnace"
          [1]=>
          string(32) "iron and steel-working equipment"
          [2]=>
          string(12) "rolling mill"
          [3]=>
          string(12) "section mill"
          [4]=>
          string(10) "strip mill"
          [5]=>
          string(13) "wire-rod mill"
        }
      }
    }
    ["broader"]=>
    array(1) {
      [0]=>
      int(1417)
    }
    ["related"]=>
    array(3) {
      [0]=>
      int(1077)
      [1]=>
      int(850)
      [2]=>
      int(1718)
    }
    ["notation"]=>
    array(1) {
      [0]=>
      int(3831)
    }
  }
}