/**
* Converts any normalized part back to IDNA. Performs conversion and
* resets flag.
*
* @param string $part Host part
*
* @return string Denormalized host part
*/
protected function denormalize($part)
{
if ($this->isNormalized === true) {
$part = $this->punycodeWrapper->decode($part);
$this->isNormalized = false;
}
return $part;
}
