protected function getWellKnownDomainSid($sid, $isRoot) { $sid = $isRoot ? SID::SHORT_NAME_ROOT_DOMAIN[$sid] : SID::SHORT_NAME_DOMAIN[$sid]; $domainSubAuth = implode('-', array_slice($this->getDomainSid($isRoot)->getSubAuthorities(), 1)); return new SID(str_replace('{domainsid}', $domainSubAuth, $sid)); }