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This post is focused on laravel group by with order by desc. if you want to see example of laravel eloquent group by order by desc then you are a right place. you can understand a concept of laravel group by orderby. i would like to show you laravel eloquent group by and order by. it will also usable with laravel 6, laravel 7, laravel 8, laravel 9, laravel 10 and laravel 11 app.

In this post, i will give you some solution for how to get records with order by desc with group by in laravel application. when you use laravel eloquent group by with order by desc then it's now working as we want. we need to get last added records first with group by.

Here, i will give you some solution with how you to order by before group by in laravel eloquent.

So let's see bellow solution:

Solution 1:

/**
 * Show the application dashboard.
 *
 * @return \Illuminate\Http\Response
 */
public function index()
{
    $messages = Message::select("*")
                            ->where('receiver_id',$id)
                            ->orderBy('created_at', 'desc')
                            ->get()
                            ->unique('sender_id');
  
    dd($messages);
}

Solution 2:

/**
 * Show the application dashboard.
 *
 * @return \Illuminate\Http\Response
 */
public function index()
{
    $message = Message::orderBy('created_at','DESC');
   
    $messages = DB::table(DB::raw("({$message->toSql()}) as sub"))
        ->where('receiver_id',$id)
        ->groupBy('sender_id')
        ->get();
   
    dd($messages);
}

Solution 3:

/**
 * Show the application dashboard.
 *
 * @return \Illuminate\Http\Response
 */
public function index()
{
    $messages = Message::select(DB::raw('*, max(created_at) as created_at'))    
                            ->where('receiver_id',$id)
                            ->orderBy('created_at', 'desc')
                            ->groupBy('sender_id')
                            ->get();
   
    dd($messages);
}

Solution 4:

/**
 * Show the application dashboard.
 *
 * @return \Illuminate\Http\Response
 */
public function index()
{
    $messages = Message::select("*")    
                            ->where('receiver_id',$id)
                            ->orderBy('created_at', 'desc')
                            ->groupBy('sender_id')
                            ->get();
   
    dd($messages);
}

I hope it can help you...