Page::isFromConnectedSite

public function isFromConnectedSite()
{
	if($this->getLandingId() > 0)
	{
		$landingInfo = LandingManager::getInstance()->getLanding($this->getLandingId());
		return ($landingInfo && $landingInfo['SITE_ID'] === LandingManager::getInstance()->getConnectedSiteId());
	}

	return false;
}