Devise\Pages\PagesRepository::getLivePageVersionByCookie PHP Method

    public function getLivePageVersionByCookie($page)
    {
        $pageVersionId = $this->Request->cookie('dvs-ab-testing-' . $page->id);
        if (!$pageVersionId) {
            return null;
        }
        $liveVersion = $this->getLivePageVersionById($page, $pageVersionId);
        if ($liveVersion) {
            return $liveVersion;
        }
        return null;
    }