public static function blocked($ip)
 {
     $model = YBoardIpaddress::find()->where(['ip' => $ip])->one();
     if ($model === null) {
         return false;
     } else {
         $model->updateCounters(['count' => 1]);
         // method since Yii 1.1.8
         return true;
     }
 }
 public function blocked($attribute, $params)
 {
     if (YBoardIpaddress::blocked($this->ip)) {
         $this->addError('ip', YBoard::t('yboard', 'Your IP address has been blocked.'));
     }
 }