var_dump /eurovoc /concepts/5386
object(Concept)#1411 (1) {
  ["_c":protected]=>
  array(7) {
    ["inScheme"]=>
    array(2) {
      [0]=>
      int(100141)
      [1]=>
      int(100264)
    }
    ["prefLabel"]=>
    object(MLString)#1412 (1) {
      ["_c":protected]=>
      array(2) {
        ["fr"]=>
        array(1) {
          [0]=>
          string(7) "charbon"
        }
        ["en"]=>
        array(1) {
          [0]=>
          string(4) "coal"
        }
      }
    }
    ["altLabel"]=>
    object(MLString)#1413 (1) {
      ["_c":protected]=>
      array(2) {
        ["en"]=>
        array(3) {
          [0]=>
          string(9) "hard coal"
          [1]=>
          string(21) "patent hard-coal fuel"
          [2]=>
          string(18) "power station coal"
        }
        ["fr"]=>
        array(3) {
          [0]=>
          string(22) "aggloméré de houille"
          [1]=>
          string(19) "charbon de centrale"
          [2]=>
          string(7) "houille"
        }
      }
    }
    ["broader"]=>
    array(1) {
      [0]=>
      int(3743)
    }
    ["narrower"]=>
    array(2) {
      [0]=>
      int(6027)
      [1]=>
      int(1656)
    }
    ["related"]=>
    array(3) {
      [0]=>
      int(3741)
      [1]=>
      int(5244)
      [2]=>
      int(6045)
    }
    ["notation"]=>
    array(1) {
      [0]=>
      int(5386)
    }
  }
}