Is something wrong with this php GD code?

Question

     if ($img = @imagecreatefromjpeg('./images/upload/13/1.JPG')) {

         imagejpeg($img, $path, 100);
            imagedestroy($img);

     } else {

         die ("image was not created or saved");

     }

I'm getting the message:

Warning: imagejpeg(): 8 is not a valid Image resource in C:\xampp\htdocs\invivid\libraries\photograph_classes.php on line 276

Warning: imagedestroy(): 8 is not a valid Image resource in C:\xampp\htdocs\invivid\libraries\photograph_classes.php on line 277

The image is being created initially, we know this from the if statement, but why doesn't imagejpeg or imagedestroy work properly?

Solution: Ok, I think it had something to do with an incorrect $path variable, it seems to be working fine now.

Answer 1

I´ve never used it like that (without creating a new image, doing some manipulation, etc.), but it seems the manual is a bit vague: imagecreatefromjpeg returns an image resource identifier and imagejpeg needs an image resource, returned by one of the image creation functions. It certainly looks the same, but perhaps they are not.