/**
* Returns the nice, human readable string for the codetype (defined by
* the OGC ISO standard).
*
* @return string
*/
public function getUseConstraintsNice()
{
$index = $this->useConstraints;
$codeTypes = MDCodeTypes::get_resource_constraints();
return isset($codeTypes[$index]) ? $codeTypes[$index] : MDCodeTypes::$default_for_null_value;
}
