Piwik\Plugins\SitesManager\API::getSitesIdWithAtLeastViewAccess PHP Method

    public function getSitesIdWithAtLeastViewAccess($_restrictSitesToLogin = false)
    {
        /** @var Scheduler $scheduler */
        $scheduler = StaticContainer::getContainer()->get('Piwik\\Scheduler\\Scheduler');
        if (Piwik::hasUserSuperUserAccess() && !$scheduler->isRunningTask()) {
            return Access::getInstance()->getSitesIdWithAtLeastViewAccess();
        }
        if (!empty($_restrictSitesToLogin) && (Piwik::hasUserSuperUserAccessOrIsTheUser($_restrictSitesToLogin) || $scheduler->isRunningTask())) {
            if (Piwik::hasTheUserSuperUserAccess($_restrictSitesToLogin)) {
                return Access::getInstance()->getSitesIdWithAtLeastViewAccess();
            }
            $accessRaw = Access::getInstance()->getRawSitesWithSomeViewAccess($_restrictSitesToLogin);
            $sitesId = array();
            foreach ($accessRaw as $access) {
                $sitesId[] = $access['idsite'];
            }
            return $sitesId;
        } else {
            return Access::getInstance()->getSitesIdWithAtLeastViewAccess();
        }
    }