UrlPreview::isHostTrusted

static function isHostTrusted(Uri $uri)
{
	$result = false;
	$domainNameParts = explode('.', $uri->getHost());
	if (is_array($domainNameParts) && ($partsCount = count($domainNameParts)) >= 2)
	{
		$domainName = $domainNameParts[$partsCount-2] . '.' . $domainNameParts[$partsCount-1];
		$result = isset(static::$trustedHosts[$domainName]);
	}
	return $result;
}