In this tutorial you will learn more about the basics of plugin development for Piwigo. This tutorial is a follow up on Tutorial: Hello World!. The entire plugin can be installed from the extension gallery under the name 'Copyrights'.

With this plugin we want to achieve the following:

1. Somewhere we want to manage our copyrights.
2. Somehow copyrights must be added to photos.
3. Somehow the copyright must be displayed when visitors view a photo.

Therefore, we will write code for:

1. An administration panel, where the admin can create and edit plugins
2. An extension to the Batch manager (using events) so that copyrights can be added to photos.
3. Another event-hook that will display the copyright when a photo is viewed.