public function actionRankings()
 {
     $region = $this->sGet('region', 'China');
     $type = $this->sGet('type', 'single');
     $event = $this->sGet('event', '333');
     $gender = $this->sGet('gender', 'all');
     $page = $this->iGet('page', 1);
     if (!in_array($type, Results::getRankingTypes())) {
         $type = 'single';
     }
     if (!array_key_exists($gender, Persons::getGenders())) {
         $gender = 'all';
     }
     if (!array_key_exists($event, Events::getNormalEvents())) {
         $event = '333';
     }
     if (!Region::isValidRegion($region)) {
         $region = 'China';
     }
     if ($page < 1) {
         $page = 1;
     }
     $rankings = Results::getRankings($region, $type, $event, $gender, $page);
     if ($page > ceil($rankings['count'] / 100)) {
         $page = ceil($rankings['count'] / 100);
     }
     $this->title = 'Personal Rankings';
     $this->pageTitle = array('Personal Rankings', Yii::t('Region', $region), Yii::t('event', Events::getFullEventName($event)), ucfirst($gender), ucfirst($type));
     $this->description = Yii::t('statistics', 'Global personal rankings in each official event are listed, based on the the official WCA rankings.');
     $this->setWeiboShareDefaultText('各国魔方选手在各官方项目的个人成绩排名展示');
     $this->render('rankings', array('rankings' => $rankings, 'region' => $region, 'type' => $type, 'event' => $event, 'gender' => $gender, 'page' => $page));
 }