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

How to execute advanced tasks on extension install

Joomla’s database update management is advanced, but sometimes, it’s not enough for our needs and we need to perform custom checks and tasks when installing our extensions.

We can specify a PHP script to perform custom tasks when installing our extensions. As a good example, let’s add a PHP check to our install extension and enable our plugins automatically after installing them.

To do this, edit the src/component/spm.xml component manifest file and add the <scriptfile> tag to the following section:

<extension>
...
<scriptfile>script.php</scriptfile>
...
</extension>

With that, we’ve instructed Joomla! to look for the script.php file in the main folder of our package and execute the instructions it finds there.

Next, create the src/component/script.php file with the following content:

<?php
defined('_JEXEC') or die;
class Com_SpmInstallerScript...