var_dump /eurovoc /concepts/4509
object(Concept)#9543 (1) {
  ["_c":protected]=>
  array(7) {
    ["inScheme"]=>
    array(2) {
      [0]=>
      int(100141)
      [1]=>
      int(100238)
    }
    ["prefLabel"]=>
    object(MLString)#9544 (1) {
      ["_c":protected]=>
      array(2) {
        ["fr"]=>
        array(1) {
          [0]=>
          string(25) "transport de marchandises"
        }
        ["en"]=>
        array(1) {
          [0]=>
          string(17) "carriage of goods"
        }
      }
    }
    ["altLabel"]=>
    object(MLString)#9545 (1) {
      ["_c":protected]=>
      array(2) {
        ["en"]=>
        array(2) {
          [0]=>
          string(13) "goods traffic"
          [1]=>
          string(16) "haulage of goods"
        }
        ["fr"]=>
        array(1) {
          [0]=>
          string(22) "trafic de marchandises"
        }
      }
    }
    ["broader"]=>
    array(1) {
      [0]=>
      int(2181)
    }
    ["narrower"]=>
    array(4) {
      [0]=>
      int(3681)
      [1]=>
      int(5392)
      [2]=>
      int(158)
      [3]=>
      int(5401)
    }
    ["related"]=>
    array(2) {
      [0]=>
      int(1099)
      [1]=>
      int(387)
    }
    ["notation"]=>
    array(1) {
      [0]=>
      int(4509)
    }
  }
}