select find() in laravel 7 code example

Example 1: laravel update from query

$affected = DB::table('users')
              ->where('id', 1)
              ->update(['votes' => 1]);

Example 2: laravel where

$users = DB::table('users')
                ->whereDate('created_at', '2016-12-31')
                ->get();

Example 3: when in larevel

$role = $request->input('role');

$users = DB::table('users')
                ->when($role, function ($query, $role) {
                    return $query->where('role_id', $role);
                })
                ->get();