Yii2 isAjax returns false

Question

Run into an issue when trying to run some code(it worked in the past).

I'm using AJAX to run some code, but it returned a 500 error.

Found a couple of the same issue posts and there solutions but, I have tried them all and it will still not work.

It will run the php file so this is not the problem.

Cross-Domain AJAX doesn't send X-Requested-With header

id = 'some-data-comes-here'; $.ajax({ type: "get", url: 'delete-image', data: { id: 'some-data-comes-here'; }, success:function(data){ $.pjax.reload({ container: '#pjax-product-images' }); } });

(part of a php class)

if(Yii::$app->request->isAjax){ Yii::$app->response->format = \yii\web\Response::FORMAT_JSON; // all code here }

It does not return false. As you said, there's code 500, which means there's exception. — Yupik
– Yupik, Commented Mar 23, 2018 at 9:43
500 errors are server errors. They have nothing to do with your JavaScript. Check your PHP code — Andrei Cioara
– Andrei Cioara, Commented Mar 23, 2018 at 9:55

bipin panday · Accepted Answer · 2018-03-28 11:32:18Z

first check url that you request is exist or not. if exist then there may be any error in that url.

some time this may also arise for cross-plateform issues. place this code at the start of the controller that may help you.

header("Access-Control-Allow-Origin: *");

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