Piwik\Plugins\Installation\Controller::firstWebsiteSetup PHP Method

    public function firstWebsiteSetup()
    {
        $this->checkPiwikIsNotInstalled();
        ServerFilesGenerator::createFilesForSecurity();
        $siteIdsCount = Access::doAsSuperUser(function () {
            return count(APISitesManager::getInstance()->getAllSitesId());
        });
        if ($siteIdsCount > 0) {
            // if there is a already a website, skip this step and trackingCode step
            $this->redirectToNextStep('trackingCode');
        }
        $view = new View('@Installation/firstWebsiteSetup', $this->getInstallationSteps(), __FUNCTION__);
        $form = new FormFirstWebsiteSetup();
        if ($form->validate()) {
            $name = Common::sanitizeInputValue($form->getSubmitValue('siteName'));
            $url = Common::unsanitizeInputValue($form->getSubmitValue('url'));
            $ecommerce = (int) $form->getSubmitValue('ecommerce');
            try {
                $result = Access::doAsSuperUser(function () use($name, $url, $ecommerce) {
                    return APISitesManager::getInstance()->addSite($name, $url, $ecommerce);
                });
                $params = array('site_idSite' => $result, 'site_name' => urlencode($name));
                $this->addTrustedHosts($url);
                $this->redirectToNextStep(__FUNCTION__, $params);
            } catch (Exception $e) {
                $view->errorMessage = $e->getMessage();
            }
        }
        // Display previous step success message, when current step form was not submitted yet
        if (count($form->getErrorMessages()) == 0) {
            $view->displayGeneralSetupSuccess = true;
        }
        $view->addForm($form);
        return $view->render();
    }