public function salvaFrequenciaMuitoCara($objSave)
 {
     $transaction = Yii::$app->db->beginTransaction();
     try {
         $objGrupo = Acdgroup::findOne(['groupid' => Yii::$app->session['groupid']]);
         foreach ($objSave['Acdfrequenceenroll'] as $i => $schedule) {
             foreach ($schedule as $j => $matricula) {
                 foreach ($matricula as $l => $data) {
                     foreach ($data as $k => $horas) {
                         $model = Acdfrequenceenroll::findOne(['enrollid' => $j, 'scheduleid' => $i, 'frequencydate' => $l, 'timeid' => $k]);
                         if ($model == null) {
                             $model = new Acdfrequenceenroll();
                         }
                         if (!($model->frequency == $horas['presenca'])) {
                             $model->datetime = Yii::$app->DadosServidor->getDateNow();
                             //  $model->username = '******';
                             $model->frequency = floatval($horas['presenca']);
                             $model->ipaddress = $_SERVER['REMOTE_ADDR'];
                             $model->enrollid = $j;
                             $model->scheduleid = $i;
                             $model->frequencydate = $l;
                             $model->timeid = $k;
                             $model->centerid = $objGrupo->centerid;
                             //adicionar o centro
                             $model->save();
                         }
                     }
                 }
             }
         }
         $transaction->commit();
         echo 1;
     } catch (\Exception $e) {
         $transaction->rollback();
         echo 0;
         throw $e;
     }
     // exit();
 }