Intelligent caching can dramatically decrease server load and increase website responsiveness. This article introduces caching and highlights some best practices using Apache and PHP.
This tutorial shows how to create a custom Digg counter using the Digg API and PHP in WordPress.
Using a combination of a couple APIs, PHP and Curl you can easily incorporate maps into your website that fairly accurately identify a visitor’s location. This tutorial breaks down the core elements of creating a dynamic Google map.
Implementing a PHP accelerator like eAccelerator should yield noticeable speed improvements and give you the ability to use memory as a data store.