App\Http\Controllers\BlogController::search PHP Method

    public function search(Request $request)
    {
        $key = $request->query('key');
        if (is_null($key)) {
            return redirect('/');
        }
        $posts = $this->blog->search($key, setting('post_per_page'));
        $links = $posts->links();
        return view('front.posts.normalIndex', compact('posts', 'links'));
    }