echo str_replace("~config.sitename~",Friendica\Core\Config::get('config','sitename'),
str_replace("~system.banner~",Friendica\Core\Config::get('system','banner'),
$page['nav']
echo str_replace("~config.sitename~",Friendica\Core\Config::get('config','sitename'),
str_replace("~system.banner~",Friendica\Core\Config::get('system','banner'),
$page['nav']