var_dump /eurovoc /concepts/3906
object(Concept)#1641 (1) {
  ["_c":protected]=>
  array(6) {
    ["inScheme"]=>
    array(2) {
      [0]=>
      int(100141)
      [1]=>
      int(100184)
    }
    ["prefLabel"]=>
    object(MLString)#1642 (1) {
      ["_c":protected]=>
      array(2) {
        ["en"]=>
        array(1) {
          [0]=>
          string(19) "freedom of movement"
        }
        ["fr"]=>
        array(1) {
          [0]=>
          string(23) "liberté de circulation"
        }
      }
    }
    ["altLabel"]=>
    object(MLString)#1643 (1) {
      ["_c":protected]=>
      array(2) {
        ["en"]=>
        array(3) {
          [0]=>
          string(20) "right to move freely"
          [1]=>
          string(17) "freedom to travel"
          [2]=>
          string(28) "right to freedom of movement"
        }
        ["fr"]=>
        array(3) {
          [0]=>
          string(27) "droit de circuler librement"
          [1]=>
          string(21) "droit de déplacement"
          [2]=>
          string(24) "liberté de déplacement"
        }
      }
    }
    ["broader"]=>
    array(1) {
      [0]=>
      int(538)
    }
    ["related"]=>
    array(4) {
      [0]=>
      int(1913)
      [1]=>
      int(1633)
      [2]=>
      int(5491)
      [3]=>
      int(1634)
    }
    ["notation"]=>
    array(1) {
      [0]=>
      int(3906)
    }
  }
}