public function actionIndex($format= false,$arraymap= false,$term = false,$category = false,$time = false)
    {                
        $searchModel = new PostSearch();        
        $req = Yii::$app->request->queryParams;
        if ($term) { $req[basename(str_replace("\\","/",get_class($searchModel)))]["term"] = $term;}        
        if ($category) { $req[basename(str_replace("\\","/",get_class($searchModel)))]["category"] = $category;}        
        if ($time) { $req[basename(str_replace("\\","/",get_class($searchModel)))]["time"] = $time;}
        $dataProvider = $searchModel->search($req);				
		        
        $query = $dataProvider->query;
        $query->andWhere(['status'=>[1]]);	
        
        if ($format == 'json')
        {
			$model = [];
			foreach ($dataProvider->getModels() as $d)
			{
				$obj = $d->attributes;
				if ($arraymap)
				{
					$map = explode(",",$arraymap);
					if (count($map) == 1)
					{
						$obj = (isset($d[$arraymap])?$d[$arraymap]:null);
					}
					else
					{
						$obj = [];					
						foreach ($map as $a)
						{
							$k = explode(":",$a);						
							$v = (count($k) > 1?$k[1]:$k[0]);
							$obj[$k[0]] = ($v == "Obj"?json_encode($d->attributes):(isset($d->$v)?$d->$v:null));
						}
					}
				}
				
				if ($term)
				{
					if (!in_array($obj,$model))
					{
						array_push($model,$obj);
					}
				}
				else
				{	
					array_push($model,$obj);
				}
			}
			header("Access-Control-Allow-Origin: *");
			header("Access-Control-Expose-Headers: X-Pagination-Per-Page,X-Pagination-Current-Page,X-Pagination-Page-Count,X-Pagination-Total-Count,Content-Type,Location");
			return \yii\helpers\Json::encode($model);	
		}
		else
		{
			return $this->render('index', [
				'searchModel' => $searchModel,
				'dataProvider' => $dataProvider,
			]);
		}	
    }