SubscriberVerificationController.php

<?php

namespace App\Http\Controllers;

use App\Http\Controllers\Controller;

class SubscriberVerificationController extends Controller {
    
    public function update(Request $request)
    {
        $request->validate(['token' => 'required|alpha_num:40']);

        try {
            $subscriber = JournalSubscriber::findOrFail((new ModelHasher())->decode($request->token));
            $subscriber->update(['verified' => true]);
        } catch (ModeNotFoundException $e) {
            flash()->error('Cannot verify your email. Something went wrong.');

            return redirect('/');
        }

        flash()->info('Your email has been verified. Thank you.');

        return redirect('/');
    }
}