Grav\Plugin\Admin\AdminController::taskHideNotification PHP Method

    protected function taskHideNotification()
    {
        if (!$this->authorizeTask('hide notification', ['admin.login'])) {
            return false;
        }
        $notification_id = $this->grav['uri']->param('notification_id');
        if (!$notification_id) {
            $this->admin->json_response = ['status' => 'error'];
            return false;
        }
        $filename = $this->grav['locator']->findResource('user://data/notifications/' . $this->grav['user']->username . YAML_EXT, true, true);
        $file = CompiledYamlFile::instance($filename);
        $data = $file->content();
        $data[] = $notification_id;
        $file->save($data);
        $this->admin->json_response = ['status' => 'success'];
        return true;
    }