original_string: public function getApp()
  	{
  		if(! self::$_app instanceof Application){
  			self::$_app = new Application(Yii::$app->params['WECHAT']);
  		}
  		return self::$_app;
  	}
code: public function getApp()
  	{
  		if(! self::$_app instanceof Application){
  			self::$_app = new Application(Yii::$app->params['WECHAT']);
  		}
  		return self::$_app;
  	}
code_tokens: public function getApp ( ) { if ( ! self :: $ _app instanceof Application ) { self :: $ _app = new Application ( Yii :: $ app -> params [ 'WECHAT' ] ) ; } return self :: $ _app ; }
docstring: single instance of EasyWeChat\Foundation\Application
  @return Application
docstring_tokens: single instance of EasyWeChat \ Foundation \ Application