Preprocess hooks are one of the hidden gems of D7, providing even more control at the theme/presentation level, and all with a very small amount of easy php coding. If you're a desiger/themer and you know your CSS, preprocess hooks are a quick and excellent addition to your Drupal tool belt.



Topics covered:


* Why preprocess hooks? Why not use the .tpl file?

* Which hooks and where?

* What data can you alter?

* Example 1: Adding alt text

* Example 2: Adding custom javascript

* Example 3: Adding custom classes

* Additional Resources