Get response in JSON format in Yii2

Question

I\'m trying to convert and array of response into JSON format. I have tried all the answers that were posted on SO and other websites like web1,web2 adding header(\'Co

Answer 1

Since Yii 2.0.11 there is a dedicated asJson() method to return a response in JSON format. Run:

return $this->asJson($array);

in your controller action.

Answer 2

Simply Add this in controller

public function beforeAction($action)
{

    \Yii::$app->response->format = Response::FORMAT_JSON;
    return parent::beforeAction($action);
}

Answer 3

use yii\helpers\Json;
use yii\web\Response;

Firstly include the 2 lines above at the top of your controller, then in any of your Controller actions, just before the return statements, include the below

Yii::$app->response->format = Response::FORMAT_JSON;
return Json::encode([
            'message' => 'success'
]);

You can build the return array as you deem fit.

Answer 4

Set

\Yii::$app->response->format = \yii\web\Response::FORMAT_JSON;

in the controller's action somewhere before return.