if (!class_exists('Memcached') && $config['memcache']['enabled']) {
  $newerror = array();
  $newerror['name'] = "Memcache Config";
  $newerror['level'] = 3;
  $newerror['extdesc'] = "Memcache is a service that you run that lets us cache commonly used data and access it quickly. It's highly recommended you <a href='https://github.com/MPOS/php-mpos/wiki/Quick-Start-Guide#requirements-1'>install the service and php packages</a> for your distro.";