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.
If your server cannot detect MIME types, then you will have to trust the browser, and will not be able to stop malicious files being renamed as pictures for instance.
What operating system are you using? On Unix and MacOS, you should have the file command working. Or you can install the PECL extension Fileinfo. Note that I am not supporting the class when used on Windows.