When asked about the most significant methods to speed up PHP applications, most experts would say cache, cache, and cache. There are a lot of optimizations that could be done to PHP code that would make it run faster, but the most effective method to speed up PHP execution is to simply execute less, and one of the best ways to achieve that is through caching.

Learn about Zend Data Cache API, Data Cache Pulse, and discover how to use them in order to speed up a typical PHP application.