$salons = Salon::select('salons.*')
        ->selectRaw('( 3959 * acos( cos( radians(?) ) *
                       cos( radians( lat ) )
                       * cos( radians( lng ) - radians(?)
                       ) + sin( radians(?) ) *
                       sin( radians( lat ) ) )
                     ) AS distance', [$lat, $lng, $lat])
        ->havingRaw("distance < 25")
        ->where("category_Id" , "=" , $id)
        ->get();