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.
I suppose the files are corrupt or something inside the files prevent the correct upload, may some filters or entries etc.
As upload succeeded with xlsx files created on my own there is no need for further investigations.
Thank you for quick answering and help, I appreciate your work.