function _arrayCompare(&$boundValue, &$candidateValue, &$bindStatus)
 {
     if (in_array($candidateValue, $boundValue)) {
         return true;
     } else {
         foreach ($boundValue as $val) {
             if (SelectedValueComparator::_exhaustiveCompare($val, $candidateValue, $bindStatus->getEditor())) {
                 return true;
             }
         }
     }
     return false;
 }