How To Create A WordPress Plugin?

Author : David Johansen | Published On : 03 Jun 2026

Functionality to your theme that changes the default gravatar to your own custom gravatar. The only issue is, you’ve just changed themes and now that’s gone. If you had added that code to a plugin it would still be there when you decided to switch themes. We ran into this issue with the Tabata Times multisite network. They use a handful of themes that need to share custom functionality.