There's a new tutorial over on Zend this morning. It's the first part in a series about working with PHP to develop Three-Tier Architecture Applications. The three "tiers" that they suggest working with are the "data layer", the "buisness logic" and finally the "presentation layer". Designing like this allows more flexibility in the future and makes the "chunks" of code easier to deal with.

Thanks to MarkL who submitted a link this morning pointing us to a new site that just opened, http://www.owasp.org. The site's target is to help everyone build more secure web applications and web services (always a good thing). And, according to MarkL, it has some real security heavy weights on it's committee. It currently has a few articles of interest, specifically cookies and session management. So, be sure to check this one out.

And, last but not least this morning, newbienetwork submitted a link that would help all of you out there looking to take your SQL to the next level. Building a database-driven site is one thing. But all too often your masterpiece starts performing like a donkey when it becomes popular. Optimizing MySQL Queries and Indexes over on the Web Developer's Virtual Library shows you how to optimise your MySQL queries and get your site running smoother than ever before. Here's a hint - if you use "select *" more than two or three times in your pages, you need to read this article.