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 package for your extensions

In Joomla!, extensions are distributed in the form of packages. These packages consist of a compressed file (usually in the .zip format), which holds all the extension files, and a manifest file, which contains instructions for Joomla! on how to place the files inside Joomla!.

In Chapter 2, we created our first package for the com_spm component. To create this .zip file, we just compressed the contents of the src/component folder. That worked because we had the manifest file (src/component/spm.xml) placed in the main folder of the ZIP package. Let’s look at the different parts of our manifest file. Open the /src/component/spm.xml file; you will see the following lines at the beginning and the end of the file:

<? xml version="1.0" encoding="utf-8" ?>
<extension type="component" method="upgrade">
...
</extension>

In these lines, we declare the XML standard we are using and...