var_dump /eurovoc /concepts/664
object(Concept)#6427 (1) {
  ["_c":protected]=>
  array(7) {
    ["inScheme"]=>
    array(2) {
      [0]=>
      int(100141)
      [1]=>
      int(100243)
    }
    ["prefLabel"]=>
    object(MLString)#6428 (1) {
      ["_c":protected]=>
      array(2) {
        ["fr"]=>
        array(1) {
          [0]=>
          string(12) "écosystème"
        }
        ["en"]=>
        array(1) {
          [0]=>
          string(9) "ecosystem"
        }
      }
    }
    ["scopeNote"]=>
    object(MLString)#6429 (1) {
      ["_c":protected]=>
      array(2) {
        ["fr"]=>
        array(1) {
          [0]=>
          string(81) "Ensemble écologique constitué par un milieu naturel et des organismes vivants.
"
        }
        ["en"]=>
        array(1) {
          [0]=>
          string(102) "An ecological community considered together with the non-living factors of its environment as a unit.
"
        }
      }
    }
    ["broader"]=>
    array(1) {
      [0]=>
      int(833)
    }
    ["narrower"]=>
    array(4) {
      [0]=>
      int(5464)
      [1]=>
      int(6405)
      [2]=>
      string(10) "c_0e092eaf"
      [3]=>
      string(10) "c_9055e9e1"
    }
    ["related"]=>
    array(2) {
      [0]=>
      int(632)
      [1]=>
      int(4930)
    }
    ["notation"]=>
    array(1) {
      [0]=>
      int(664)
    }
  }
}