Book Image

Developing Extensions for Joomla! 5

By : Carlos M. Cámara Mora
5 (2)
Book Image

Developing Extensions for Joomla! 5

5 (2)
By: Carlos M. Cámara Mora

Overview of this book

Joomla! 5 is a groundbreaking CMS that helps you take a significant leap into the world of content management systems. Joomla! 5 features a variety of impressive new features that align with current web standards and enable you to experience lightning-fast performance for optimal web page optimization, leverage the new code architecture, and tap into the WebService API, among others. This book takes you on a journey of extending Joomla's capabilities by developing your own extensions. The chapters not only explain the key concepts behind Joomla's architecture but also equip you with the latest techniques for crafting components and plugins. You’ll discover how to leverage existing features within Joomla! to empower your extensions and create tailored solutions. The book takes you from the initial stages of planning your extension development to a fully featured finished product. As you advance, you'll learn invaluable techniques for testing your extension, addressing common issues, and preparing it for publication. The concluding chapters of this comprehensive guide teach you how to test your extension for common issues, along with how to publish the extension for everyone to use. By the end of this book, you’ll have the confidence and skills to complete the cycle of extension development.
Table of Contents (21 chapters)
1
Part 1: Developing Components
8
Part 2: Developing Modules and Plugins
12
Part 3: Extending Templates
15
Part 4: Distributing Your Extensions

Creating a content plugin

An interesting use case of content plugins is using them to include content from other components inside Joomla! articles or even in modules. This gives the administrator of a Joomla! site lots of flexibility and is easy to implement from a developer’s point of view. So, we are going to develop a content plugin that allows the website manager to include these projects in their content.

It’s customary that this kind of plugin uses a shortcode to indicate the project we want to include, so our plugin will use the shortcode {projectlink 42} to embed a link to the project with ID 42 in a Joomla! article:

  1. Let’s write our manifest file for this plugin:
    <?xml version="1.0" encoding="UTF-8"?>
    <extension type="plugin" group="content"
      method="upgrade">
        <name>plg_content_projectlink</name>
        <author>Carlos...