This script converts a Unix timestamp (Seconds since the Unix Epoch (January 1 1970 00:00:00 GMT)) to the International Standard ISO 8601 date and time notation (YYYY-MM-DD hh:mm:ss) and vice versa. I find it useful for verifying datetimes. Date Time Convert

A PHP script to protect a download by generating a unique link. Each time you visit a page, a unique link is created that can be shared. The link will expire after a certain amount of time or number of uses. With some work, this could be integrated with your Paypal “thank you” page.

A simple web page that you can upload to your web site for testing a MySQL database connection.

In this post, I’ll illustrate how to use the IP-to-Country database available from http://ip-to-country.webhosting.info/ to identify the real-world geographic location of visitors to a web page (geolocate) based on their IP addresses. Once you know where a visitor is physically located, you can do all sorts of nifty things, such as send them location-aware content [...]

In this post, I’ll explain how to reduce the amount of comment spam your WordPress blog receives by using an unobtrusive ‘handshake’ between the two files necessary for a valid comment submission to take place. I’ve written a few different articles on reducing comment spam by means of a challenge response test that the visitor [...]

This is a collection of php code snippets that seem to come in handy rather often. They are assembled here more for my own organization than anything else.

Comment spam comes from humans who are paid to post it and robots/scripts that do it automatically. The majority of spam comes from the bots. There’s very little one can do to defend against a determined human being, but bots tend to behave predictably, and that allows us to develop countermeasures. From my observations, it [...]

A dark Plogger theme that takes elements from the Yahoo! Broadway page of 2007.

This plugin is once again actively supported. Please download the latest version from http://wordpress.org/extend/plugins/sociable/. I’ve fixed some errors that I was experiencing with version 2.0 (dated 2007-02-02) of the Sociable WordPress plugin by Peter Harkins. Specifically, when running WordPress 2.2+, I would get the following warnings when saving changes: Warning: implode() [function.implode]: Bad arguments. in [...]

I was working on a theme for the image gallery Plogger when an old problem cropped up again. I was adding links to thumbnail images, and had given the anchor a padding of 3 pixels and a 1 pixel border so that the link formed a sort of picture frame around the image. It looked [...]