yii2 uses ajax to return json implementation method, yii2ajax returns json_PHP tutorial

The implementation method of yii2 using ajax to return json, yii2ajax returning json

The example in this article describes the implementation method of yii2 using ajax to return json. Share it with everyone for your reference, the details are as follows:

public function actionAjax()
{
  if(isset(Yii::$app->request->post('test'))){
    $test = "Ajax Worked!";
    // do your query stuff here
  }else{
    $test = "Ajax failed";
    // do your query stuff here
  }
  // return Json
  return \yii\helpers\Json::encode($test);
}

Readers who are interested in more Yii-related content can check out the special topics on this site: "Introduction to Yii Framework and Summary of Common Techniques", "Summary of Excellent PHP Development Framework", "Basic Tutorial for Getting Started with Smarty Templates", "php Date and Time" Usage Summary", "php object-oriented programming introductory tutorial", "php string (string) usage summary", "php mysql database operation introductory tutorial" and "php common database operation skills summary"

I hope this article will be helpful to everyone’s PHP program design based on the Yii framework.