Smart File Type Detection Using PHP
Added 3 Mar 2009
In most web applications today, there is a need to allow users to
upload images, audio and video files. Sometimes, we also need to
restrict certain types of files from being uploaded - an executable
file being an obvious example.
Security aside, one might also want to prevent users from misusing the upload facility, e.g. uploading copyrighted music files illegally and using the service to promote piracy! In this article, we’ll look into a few ways in which we can achieve this.