getShopHosts example

$shopConfig = Shopware()->Config();
        self::$baseFile = $shopConfig->get('baseFile');
        $this->useSecure = Shopware()->Front()->Request()->isSecure();

        $request = Shopware()->Front()->Request();
        $this->basePath = $request->getHttpHost() . $request->getBasePath() . '/';
        $this->basePathUrl = $request->getScheme() . '://' . $this->basePath;

        $this->backLinkWhiteList = preg_replace('#\s#', '', $shopConfig->get('seoBackLinkWhiteList'));
        $this->backLinkWhiteList = explode(',', $this->backLinkWhiteList);

        $hosts = $this->getShopHosts();

        $this->backLinkWhiteList = array_merge(
            $this->backLinkWhiteList,
            array_map('trim', $hosts)
        );
    }

    /** * Filter html source * * @param string $source * * @return string|null */