validation

 $validator = Validator::make($request->all(), [
            'post-title' => 'required',
            'price' => 'required',
            'example-rd-custom-inline' => 'required',
            'example-rd-custom-primary-lg' => 'required',
            'sell_type' => 'required',
            'condition' => 'required',
            'description' => 'required',
            'img-up' => 'required',
            'img-up.*' => 'image|mimes:jpeg,png,jpg,gif,svg|max:2048',
            'name' => 'required',
            'password' => 'sometimes|required',
            'email' => 'required',
        ]);