Piwik\Plugins\Actions\Actions::isSiteSearchEnabled PHP Method

    public function isSiteSearchEnabled($idSites, $idSite)
    {
        $idSites = Site::getIdSitesFromIdSitesString($idSites, true);
        if (!empty($idSite)) {
            $idSites[] = $idSite;
        }
        if (empty($idSites)) {
            return false;
        }
        foreach ($idSites as $idSite) {
            if (!Site::isSiteSearchEnabledFor($idSite)) {
                return false;
            }
        }
        return true;
    }

 public function configureReportingMenu(MenuReporting $menu)
 {
     $menu->addActionsItem('', $this->urlForAction('menuGetPageUrls'), 15);
     $actions = new Actions();
     if ($actions->isSiteSearchEnabled()) {
         $menu->addActionsItem('Actions_SubmenuSitesearch', $this->urlForAction('indexSiteSearch'), 5);
     }
 }