start(); register_shutdown_function( function () { echo OutputBuffering::getInstance()->getContents(); } ); // Send correct type: header('Content-Type: text/css; charset=UTF-8'); // Cache output in client - the nocache query parameter makes sure that this // file is reloaded when config changes header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 3600) . ' GMT'); ThemeManager::getInstance()->printCss();