$filename = basename($photo);
$img_str = fetch_url($photo,true);
- $img = new Photo($img_str);
+ // guess mimetype from headers or filename
+ $type = guess_image_type($photo,true);
+
+
+ $img = new Photo($img_str, $type);
if($img->is_valid()) {
$img->scaleImageSquare(175);
$result['user'] = $u;
return $result;
-}
\ No newline at end of file
+}