var_dump /eurovoc /concepts/4047
object(Concept)#7106 (1) {
  ["_c":protected]=>
  array(6) {
    ["inScheme"]=>
    array(2) {
      [0]=>
      int(100141)
      [1]=>
      int(100237)
    }
    ["prefLabel"]=>
    object(MLString)#7107 (1) {
      ["_c":protected]=>
      array(2) {
        ["en"]=>
        array(1) {
          [0]=>
          string(11) "road safety"
        }
        ["fr"]=>
        array(1) {
          [0]=>
          string(20) "sécurité routière"
        }
      }
    }
    ["altLabel"]=>
    object(MLString)#7108 (1) {
      ["_c":protected]=>
      array(2) {
        ["fr"]=>
        array(3) {
          [0]=>
          string(9) "alcootest"
          [1]=>
          string(20) "champ de visibilité"
          [2]=>
          string(24) "protection du conducteur"
        }
        ["en"]=>
        array(4) {
          [0]=>
          string(17) "breathalyser test"
          [1]=>
          string(17) "driver protection"
          [2]=>
          string(15) "field of vision"
          [3]=>
          string(6) "helmet"
        }
      }
    }
    ["broader"]=>
    array(1) {
      [0]=>
      int(4033)
    }
    ["related"]=>
    array(3) {
      [0]=>
      int(1162)
      [1]=>
      int(7944)
      [2]=>
      int(848)
    }
    ["notation"]=>
    array(1) {
      [0]=>
      int(4047)
    }
  }
}