function stdWrap_postUserFuncInt($content = '', $conf = array())
 {
     $content = parent::render($conf);
     if ($conf['no_esi'] == FALSE && t3lib_div::_GP('from_varnish') == FALSE) {
         $substKey = str_replace(array('<!--', '-->'), '', $content);
         $url = t3lib_div::getIndpEnv('TYPO3_SITE_PATH') . '?id=' . $GLOBALS['TSFE']->id . '&type=978&key=' . $substKey . '&identifier=' . $GLOBALS['TSFE']->newHash . '&from_varnish=1';
         $content = '<esi:include src="' . $url . '" />';
     }
     return $content;
 }