theme system

hook_theme and tpl.php files: registering them with drupal, and passing variables

There is one way to let drupal know about a theme function or template. There are two ways to send variables to a template, but one of them has a lot of disadvantages.

We'll use two theme functions, with an identical template setup to illustrate these methods:

Creating Theme Functions and Routing Them to a Template

There's only one way, hook_theme()

Loading a Menu, and Theming the Links in Two Lines of Code

When creating a menu [ admin/build/menu/add ] there's a field for "Menu name". We use that value to load whatever array of menu links we want. In this example, we're using "secondary-links" which comes default on most drupal installs.

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