'required|unique:gammes,slug,' . $this->gamme->id, 'picture' => [ 'sometimes', 'image', 'mimes:jpeg,png,jpg', 'max:1024', 'dimensions:width=575,height=375' ], 'banner' => [ 'sometimes', 'image', 'mimes:jpeg,png,jpg', 'max:2048', 'dimensions:width=1169,height=243' ], ] ); } }