var_dump /eurovoc /concepts/4485
object(Concept)#14281 (1) {
  ["_c":protected]=>
  array(6) {
    ["inScheme"]=>
    array(2) {
      [0]=>
      int(100141)
      [1]=>
      int(100242)
    }
    ["prefLabel"]=>
    object(MLString)#14282 (1) {
      ["_c":protected]=>
      array(2) {
        ["en"]=>
        array(1) {
          [0]=>
          string(15) "water treatment"
        }
        ["fr"]=>
        array(1) {
          [0]=>
          string(19) "traitement de l'eau"
        }
      }
    }
    ["altLabel"]=>
    object(MLString)#14283 (1) {
      ["_c":protected]=>
      array(2) {
        ["fr"]=>
        array(8) {
          [0]=>
          string(25) "installation d'épuration"
          [1]=>
          string(26) "traitement des eaux usées"
          [2]=>
          string(12) "fluorisation"
          [3]=>
          string(23) "assainissement de l'eau"
          [4]=>
          string(12) "chloruration"
          [5]=>
          string(15) "désalinisation"
          [6]=>
          string(19) "épuration de l'eau"
          [7]=>
          string(20) "station d'épuration"
        }
        ["en"]=>
        array(6) {
          [0]=>
          string(14) "chlorinisation"
          [1]=>
          string(12) "desalination"
          [2]=>
          string(25) "processing of waste water"
          [3]=>
          string(15) "purifying plant"
          [4]=>
          string(17) "purifying station"
          [5]=>
          string(18) "water purification"
        }
      }
    }
    ["broader"]=>
    array(1) {
      [0]=>
      int(3144)
    }
    ["related"]=>
    array(2) {
      [0]=>
      int(612)
      [1]=>
      int(6408)
    }
    ["notation"]=>
    array(1) {
      [0]=>
      int(4485)
    }
  }
}