O'Reilly logo

Beginning WordPress 3 by Stephanie Leary

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 9. Creating Plugins

While theme functions are quite powerful, they aren't very portable. If you ever wanted to switch themes, you would have to copy all your essential functions from one theme to another. There's another option: many of the theme functions you've seen throughout this book could become plugins. Plugins offer much better control over functions, since you can activate and deactivate them as needed. The plugin manager also provides some safeguards, since plugins containing errors will fail to activate, whereas errors in a theme functions file will affect your site immediately. You can do any number of things with plugins: modify or replace existing functions (filters), add your functions in predetermined locations (actions), ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required