App\Http\Controllers\Admin\ActionController::deny PHP Method

    public function deny()
    {
        @($id = (int) \Route::input('id'));
        $response = ['state' => 'error', 'message' => 'Something wrong.'];
        if (!empty($id) && $id > 0) {
            $post = \DB::table('post')->where('id', $id)->first();
            if (count($post) > 0 && ($post->post_state == 0 || $post->post_state == 5)) {
                try {
                    \DB::table('post')->where('id', $id)->update(['post_state' => 4]);
                    $response = ['state' => 'success', 'message' => 'Update success.'];
                } catch (Exception $e) {
                    $response = ['state' => 'failed', 'message' => 'Update failed.'];
                }
            }
        }
        echo json_encode($response);
    }