public function actionCreate()
        {
                $model=new Habit;
                if(isset($_POST['Habit']))
                {
                        $model->attributes=$_POST['Habit'];
                        if($model->habits!=='')
                                $model->habits=implode(',',$model->habits);//converting to string...
                        if($model->save())
                                $this->redirect(array('view','id'=>$model->id));
                }
               $model->habits=explode(',',$model->habits);//converting to array...
                $this->render('create',array(
                        'model'=>$model,
                ));
        }
public function actionUpdate($id)
        {
                $model=$this->loadModel($id);
                if(isset($_POST['Habit']))
                {
                        $model->attributes=$_POST['Habit'];
                        if($model->habits!=='')
                                $model->habits=implode(',',$model->habits);
                        if($model->save())
                                $this->redirect(array('view','id'=>$model->id));
                }
        $model->habits=explode(',',$model->habits);
                $this->render('update',array(
                        'model'=>$model,
                ));
        }