Neos\Neos\Controller\Module\Administration\SitesController::editAction PHP Method

    public function editAction(Site $site)
    {
        try {
            $sitePackage = $this->packageManager->getPackage($site->getSiteResourcesPackageKey());
        } catch (\Exception $e) {
            $this->addFlashMessage('The site package with key "%s" was not found.', 'Site package not found', Message::SEVERITY_ERROR, array(htmlspecialchars($site->getSiteResourcesPackageKey())));
        }
        $this->view->assignMultiple(array('site' => $site, 'sitePackage' => isset($sitePackage) ? $sitePackage : array(), 'domains' => $this->domainRepository->findBySite($site), 'assetCollections' => $this->assetCollectionRepository->findAll()));
    }