如何在Laravel中使用abort发送消息

Question

I've got to abort something if signature is not valid and I also would like to send a message to the view that renders it. I remember being able to do something like this in a previous project of mine, a year ago. But now when I try this

    if (!$request->hasValidSignature()) {
        abort(401, 'Signature is not valid.');
    }

I get an error that mentions that $message is not available

this is definition of the abort function, so its clear that it takes the message as input.

public function abort($code, $message = '', array $headers = [])
{
    if ($code == 404) {
        throw new NotFoundHttpException($message);
    }

    throw new HttpException($code, $message, null, $headers);
}

I wonder why do I get this error then:

ErrorException (E_ERROR)
Undefined variable: message (View: 
C:\laragon\www\laraoneesources\views\errors\401.blade.php)

this is a part of my 401.blade.php that uses that variable...

<div class="content">
    <div class="title">401</div>Unauthorized action, {{ $message }}
</div>

Answer 1

Use $exception->getMessage(). From the docs:

The HttpException instance raised by the abort function will be passed to the view as an $exception variable: <h2>{{ $exception->getMessage() }}</h2>

So in your case:

<div class="content">
    <div class="title">401</div>Unauthorized action, {{ $exception->getMessage() }}
</div>