var_dump /eurovoc /concepts/4162
object(Concept)#3121 (1) {
  ["_c":protected]=>
  array(6) {
    ["inScheme"]=>
    array(2) {
      [0]=>
      int(100141)
      [1]=>
      int(100237)
    }
    ["prefLabel"]=>
    object(MLString)#3122 (1) {
      ["_c":protected]=>
      array(2) {
        ["fr"]=>
        array(1) {
          [0]=>
          string(13) "signalisation"
        }
        ["en"]=>
        array(1) {
          [0]=>
          string(13) "traffic signs"
        }
      }
    }
    ["altLabel"]=>
    object(MLString)#3123 (1) {
      ["_c":protected]=>
      array(2) {
        ["fr"]=>
        array(4) {
          [0]=>
          string(6) "balise"
          [1]=>
          string(24) "panneau de signalisation"
          [2]=>
          string(23) "signalisation lumineuse"
          [3]=>
          string(23) "signalisation routière"
        }
        ["en"]=>
        array(3) {
          [0]=>
          string(16) "light signalling"
          [1]=>
          string(17) "lighted road sign"
          [2]=>
          string(22) "road signs and signals"
        }
      }
    }
    ["broader"]=>
    array(1) {
      [0]=>
      int(3131)
    }
    ["related"]=>
    array(5) {
      [0]=>
      int(2039)
      [1]=>
      int(469)
      [2]=>
      int(2040)
      [3]=>
      int(3127)
      [4]=>
      int(2041)
    }
    ["notation"]=>
    array(1) {
      [0]=>
      int(4162)
    }
  }
}