This popular MovableType function has been ported to PHP, by Adam Kalsey. Now you can create dirified filenames of any string you use this function with.

The IIF function is a well-known function in most languages, however PHP does not contain such a function. It does now, if you include this function into your php files.

Using this function you can get the current date and time in the MySQL NOW() form, in case you want to use PHP to generate it, instead of MySQL.

This function is used to URL encode strings so they can be sent through a URL. This function also makes sure all the characters have been transformed into their entities.

This class, written by Dennis Pallett, is used to query Amazon Web Services (a developers’ token is required), and retrieve results from Amazon. The class includes automatic caching for increased stability and speed of your website.

This function allows you to quickly calculate how many words a string contains. Very useful for word processor scripts!

Using this handy codesnippet you can easily ban several troublemakers from your website. Please note though that this is far from foolproof, and people can very easily get around it, by using a proxy or changing their IP address (e.g. dial-up users, AOL users, etc).

Vinu Thomas shows us how to backup your MySQL database, and restore it safely. Perfect for creating backup copies, in case of server failures.

Jason Cartwright gives us a brief explanation on PHP and what it can be used for. If you’re new to PHP, then this should be the first article for you to read!

Robert Plank discusses htaccess wrappers and what they can be used for. If you’d like to watermark your images or add headers to all your HTML documents, then this is the article for you!