Deprecated: Return type of YDataTable::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/bdavid/prod/georef/yamldoc/ydclasses/ydata.inc.php on line 428

Deprecated: Return type of YamlDataTable::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/bdavid/prod/georef/yamldoc/ydclasses/yamldata.inc.php on line 295
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var_dump /eurovoc /concepts/3931

object(Concept)#6543 (1) {
  ["_c":protected]=>
  array(7) {
    ["inScheme"]=>
    array(2) {
      [0]=>
      int(100141)
      [1]=>
      int(100224)
    }
    ["prefLabel"]=>
    object(MLString)#6544 (1) {
      ["_c":protected]=>
      array(2) {
        ["en"]=>
        array(1) {
          [0]=>
          string(12) "soil science"
        }
        ["fr"]=>
        array(1) {
          [0]=>
          string(16) "science des sols"
        }
      }
    }
    ["altLabel"]=>
    object(MLString)#6545 (1) {
      ["_c":protected]=>
      array(2) {
        ["en"]=>
        array(3) {
          [0]=>
          string(8) "agrology"
          [1]=>
          string(8) "pedology"
          [2]=>
          string(14) "soil mechanics"
        }
        ["fr"]=>
        array(4) {
          [0]=>
          string(9) "agrologie"
          [1]=>
          string(19) "mécanique des sols"
          [2]=>
          string(15) "physique du sol"
          [3]=>
          string(10) "pédologie"
        }
      }
    }
    ["broader"]=>
    array(1) {
      [0]=>
      int(3952)
    }
    ["narrower"]=>
    array(3) {
      [0]=>
      int(6381)
      [1]=>
      int(6392)
      [2]=>
      int(6386)
    }
    ["related"]=>
    array(4) {
      [0]=>
      int(1483)
      [1]=>
      int(3536)
      [2]=>
      int(2534)
      [3]=>
      int(3158)
    }
    ["notation"]=>
    array(1) {
      [0]=>
      int(3931)
    }
  }
}