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
yaml pub]
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*            fr en 

dump session server cookie 
var_dump iso639 /concepts/ces

object(Concept)#346 (1) {
  ["_c":protected]=>
  array(3) {
    ["prefLabel"]=>
    object(MLString)#347 (1) {
      ["_c":protected]=>
      array(2) {
        ["fr"]=>
        array(1) {
          [0]=>
          string(22) "tchèque (ISO 639-2/T)"
        }
        ["en"]=>
        array(1) {
          [0]=>
          string(19) "Czech (ISO 639-2/T)"
        }
      }
    }
    ["inScheme"]=>
    array(1) {
      [0]=>
      string(6) "alpha3"
    }
    ["topConceptOf"]=>
    array(1) {
      [0]=>
      string(6) "alpha3"
    }
  }
}