Joomla 3 transition to Joomla 4

Learn how to upgrade from Joomla 3 to Joomla 4 with our step-by-step guide, including an example upgrade.

Joomla 3 to Joomla 4 Transition

The transition from Joomla 3 to Joomla 4 has been a long and arduous process. Joomla 4 brings with it a host of new features, improvements and bug fixes that make it a more secure and user friendly platform. It is important to note, however, that the transition from Joomla 3 to Joomla 4 is not a smooth one. There are many changes to consider and the process of transitioning your website from Joomla 3 to Joomla 4 can be a complicated one.

The first step in transitioning your website from Joomla 3 to Joomla 4 is to make sure that all of your extensions are compatible with Joomla 4. This includes any plugins, modules, and components that you use on your website. Many extensions may not be compatible with Joomla 4, so it is important to check the compatibility of each extension before making the switch. Additionally, if you are using any custom code or third-party libraries, you will need to check to make sure they are compatible with Joomla 4 as well.

The second step is to ensure that your website's data is properly backed up. Before you begin the transition process, you should make sure that you have a full backup of your website. This includes both the files and the database. It is important to have a backup of both as they are both important to the functioning of your website.

The third step is to make sure that you understand the differences between Joomla 3 and Joomla 4. Joomla 4 introduces a number of new features and improvements, as well as a few changes that may require some modifications to existing code. It is important to familiarize yourself with the changes in Joomla 4 to ensure that your website is properly configured for the transition.

The fourth step is to migrate your website from Joomla 3 to Joomla 4. This process can be done manually or with the help of a script. If you are doing it manually, you will need to copy all of the files from your Joomla 3 website to your Joomla 4 website and then manually update any configuration settings and database queries. If you are using a script, the script will do most of the work for you. In either case, it is important to make sure that you test your website after the transition to ensure that everything is working properly.

Finally, once you have completed the transition to Joomla 4, you should take the time to review all of the changes that were made. This will help you ensure that everything is functioning properly and that your website is secure. Additionally, it is important to remember to keep all of your extensions up to date to ensure that they are compatible with the latest version of Joomla.

 
// check compatibility of extensions with Joomla 4 
function checkCompat(extension) { 
  // code logic to check compatibility with Joomla 4
  // return boolean whether or not extension is compatible
}