Uploading a file with HTML and PHP is simple, but accepting arbitrary files from a browser is also a security-sensitive operation. A modern implementation should do more than call move_uploaded_file() ...

While Microsoft Word isn't usually thought of as webpage software, you can use the venerable word processor to create webpages and post them online. The three ways to do this are to save your Word ...

This month I’m going back to programming for a while. I need a rest from the weirdness on the Talkback discussion in last month’s column. I do intend to write more about theory issues in the future, ...