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.
It is slow indeed, but not that slow since your images are very large (a lot of pixels), and you process a lot of them in a batch.
If you really want to speed up the process, I would recomend not to use this class, which rely on GD, but to use ImageMagick.