class.upload.php
class.upload.php is a powerful and mature PHP class to manage uploaded files, and manipulate images in many ways. The script is available under a GPL license.
class.upload.php is a powerful and mature PHP class to manage uploaded files, and manipulate images in many ways. The script is available under a GPL license.
So the class cannot do graphic processing on animated GIFs. As for detecting animation, I don't think that the class can do it as of now. Animated and non animated GIFs have the same MIME type (image/gif).
Some background info here or here.