A few months ago, Alexander “alech” Klink and Julian “zeri” Wälde presented a report on how most web programming languages use hash tables to store data efficiently, and how this can be abused to force web applications to 99% CPU usage for several minutes with merely one request. The report highlights how in order to minimise hash collisions in the...

I was recently looking for a nice graphing plugin to create some monthly charts for on the homepage of the Donations Xtreme admin panel, instead of the messy overview that it currently uses. While all of the plugins that I found created charts, they just didn’t have the nice feel that I was after. I then found jqPlot, which instantly sat above the rest....

Hi everyone, welcome to the start of a series of posts on development for the open source CMS Evolution Xtreme. This series is going to go through the basics of creating modules, starting at basic folder structure and going right through to user interaction and submissions. While you will hopefully learn something from going through my code examples, where you...

It is often easier when creating something pretty much from scratch to use some form of templating system rather than mixing layout and logic. It just makes things easier to work with. Several packages exist, such as Smarty, but why add so much bloat and slow down your code in order to do so? Additional syntax has to be parsed, which costs time. PHP will...