Components\Posts\Controllers\Backend\PostsController::update PHP Method

    public function update($id)
    {
        $input = Input::all();
        if (isset($input['form_close'])) {
            return Redirect::to("backend/{$input['type']}s");
        }
        $categories = Input::get('categories', array());
        try {
            $post = Post::findOrFail($id);
            $post->update($input);
            $post->categories()->sync($categories);
            $redirect = isset($input['form_save']) ? "backend/{$input['type']}s" : "backend/{$input['type']}s/create";
            return Redirect::to($redirect)->with('success_message', 'The ' . $this->type . ' was updated.');
        } catch (ValidationException $e) {
            return Redirect::back()->withInput()->withErrors($e->getErrors());
        }
    }