/**
  * get stats
  * @responseParam integer visitors
  * @responseParam integer edits
  * @responseParam integer communities
  * @responseParam integer totalPages
  */
 public function getStats()
 {
     $this->wf->ProfileIn(__METHOD__);
     $memKey = $this->wf->SharedMemcKey('wikiahomepage', 'stats', $this->wg->contLang->getCode());
     $stats = $this->wg->Memc->get($memKey);
     if (empty($stats)) {
         $stats['visitors'] = $this->helper->getStatsFromArticle('StatsVisitors');
         $stats['edits'] = $this->helper->getEdits();
         if (empty($stats['edits'])) {
             $stats['editsDefault'] = $this->helper->getStatsFromArticle('StatsEdits');
         }
         $stats['communities'] = $this->helper->getStatsFromArticle('StatsCommunities');
         $defaultTotalPages = $this->helper->getStatsFromArticle('StatsTotalPages');
         $totalPages = intval(Wikia::get_content_pages());
         $stats['totalPages'] = $totalPages > $defaultTotalPages ? $totalPages : $defaultTotalPages;
         $this->wg->Memc->set($memKey, $stats, 60 * 60 * 1);
     }
     foreach ($stats as $key => $value) {
         $this->{$key} = $this->wg->Lang->formatNum($value);
     }
     $this->communities = $this->communities . '+';
     if (empty($stats['edits']) && in_array('editsDefault', $stats)) {
         $this->edits = $this->editsDefault . '+';
     }
     $this->wf->ProfileOut(__METHOD__);
 }