delete file after sending to user

Question

I try to send a file to the user with this function

Yii::$app->response->sendFile($tmp_filename, 'test.RData');

Now I want the file to be deleted after sending. I know that there's an event handler for send method in yii/web/Response called EVENT_AFTER_SEND

I tried to access this handler with the following code:

Event::on(\yii\web\Response::className(), \yii\web\Response::EVENT_AFTER_SEND, function ($event) {
          unlink($event->response->filename);  
});

But my problem is

a) I'm not sure if this is the right way

b) how to access the filename inside the event

Any help is appreciated!

Answer 1

I had the same problem this week. The documentation says that we can use the $data parameter to add any variable we want on this callback. Here is a example:

Yii::$app->response->sendFile('/path/of/my/temp/file')->on(\yii\web\Response::EVENT_AFTER_SEND, function($event) {
    unlink($event->data);
}, '/path/of/my/temp/file');