public function clearParentElementWithHash(IdmlElement $element, $parentHashValue)
{
$bCleared = false;
$parentElement = $element->parentIdmlObject();
while (!$bCleared && is_object($parentElement)) {
if (IdmlPxeHelper::getPxeHash($parentElement) == $parentHashValue) {
IdmlPxeHelper::clearPxeData($parentElement);
$bCleared = true;
}
$parentElement = $parentElement->parentIdmlObject();
}
return $bCleared;
}