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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dump session server cookie 
var_dump /eurovoc /concepts/6004

object(Concept)#9186 (1) {
  ["_c":protected]=>
  array(5) {
    ["inScheme"]=>
    array(2) {
      [0]=>
      int(100141)
      [1]=>
      int(100220)
    }
    ["prefLabel"]=>
    object(MLString)#9187 (1) {
      ["_c":protected]=>
      array(2) {
        ["en"]=>
        array(1) {
          [0]=>
          string(14) "classification"
        }
        ["fr"]=>
        array(1) {
          [0]=>
          string(14) "classification"
        }
      }
    }
    ["altLabel"]=>
    object(MLString)#9188 (1) {
      ["_c":protected]=>
      array(2) {
        ["fr"]=>
        array(3) {
          [0]=>
          string(3) "CDU"
          [1]=>
          string(36) "classification décimale universelle"
          [2]=>
          string(16) "vedette-matière"
        }
        ["en"]=>
        array(3) {
          [0]=>
          string(3) "UDC"
          [1]=>
          string(7) "heading"
          [2]=>
          string(32) "universal decimal classification"
        }
      }
    }
    ["broader"]=>
    array(1) {
      [0]=>
      int(1752)
    }
    ["notation"]=>
    array(1) {
      [0]=>
      int(6004)
    }
  }
}