Google published a set of tips on how to increase the performance of PHP a while ago under the heading “Let’s make the web faster”. I recently came across the article again, and it’s been changed a lot since last summer when it was published. At that time, a number of the tips were massively [...]

I’ve read various tips about optimizing PHP code and at first I happily took them in. Later on, having read other points of view, I started to wonder a bit about some of the optimizations and later still I realised that some things are not just dubious but plain wrong. Yes, I’m talking about strings [...]