Jarves\Controller\Admin\BackendController::loadCssAction PHP Метод

    public function loadCssAction()
    {
        $oFile = $this->jarves->getRootDir() . '/../web/cache/admin.style-compiled.css';
        $md5String = '';
        /** @var \Jarves\AssetHandler\Container $assetHandlerContainer */
        $assetHandlerContainer = $this->container->get('jarves.asset_handler.container');
        $files = [];
        foreach ($this->jarves->getConfigs() as $bundleConfig) {
            foreach ($bundleConfig->getAdminAssetsInfo() as $assetInfo) {
                if (!$assetInfo->isCompressionAllowed()) {
                    continue;
                }
                if ($assetInfo->isStylesheet()) {
                    $path = $this->jarves->resolveWebPath($assetInfo->getPath());
                    if (file_exists($path)) {
                        $files[] = $assetInfo->getPath();
                        $md5String .= filemtime($path);
                    }
                }
                if ($assetInfo->isScss()) {
                    $path = $this->jarves->resolveWebPath($assetInfo->getPath());
                    if (file_exists($path)) {
                        foreach ($assetHandlerContainer->compileAsset($assetInfo) as $subAssetInfo) {
                            $files[] = $subAssetInfo->getPath();
                        }
                        $md5String .= filemtime($path);
                    }
                }
            }
        }
        $handle = @fopen($oFile, 'r');
        $fileUpToDate = false;
        $md5Line = '/* ' . md5($md5String) . "*/\n";
        if ($handle) {
            $line = fgets($handle);
            fclose($handle);
            if ($line == $md5Line) {
                $fileUpToDate = true;
            }
        }
        if (!$fileUpToDate) {
            $content = $this->utils->compressCss($files, $this->jarves->getAdminPrefix() . 'admin/backend/');
            $content = $md5Line . $content;
            file_put_contents($oFile, $content);
        }
        $expires = 60 * 60 * 24 * 14;
        $response = new Response(file_get_contents($oFile));
        $response->headers->set('Content-Type', 'text/css');
        $response->headers->set('Pragma', 'public');
        $response->headers->set('Cache-Control', 'max-age=' . $expires);
        $response->headers->set('Expires', gmdate('D, d M Y H:i:s', time() + $expires) . ' GMT');
        return $response;
    }