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Questions tagged [joomla4]

For questions regarding the Joomla Content Management System v 4 This tag can be used for a wide range of questions related to Joomla 4, including installation and configuration, extension development, template development, website customization, and more. Questions related to Joomla 4 updates, migration, and compatibility issues can also be tagged with this tag.

Joomla 4 is the latest version of the Joomla Content Management System (CMS), which is an open-source software used to build and manage websites. This tag should be used for questions related specifically to Joomla 4, its features, functionality, and development.

Joomla 4 was released on August 17, 2021, after several years of development. It comes with several new features and improvements, including a new user interface, improved security features, better accessibility, improved performance and scalability, and improved multilingual support.

This tag can be used for a wide range of questions related to Joomla 4, including installation and configuration, extension development, template development, website customization, and more. Questions related to Joomla 4 updates, migration, and compatibility issues can also be tagged with this tag.

For official documentation and resources related to Joomla 4, please visit the following links:

Users can expect to find and receive answers to questions related to the Joomla 4 platform, its core features, and functionalities. Additionally, users can also expect to find and participate in discussions related to best practices, common issues, and solutions related to building and managing websites using Joomla 4.

Note that this tag should not be used for questions related to previous versions of Joomla or other content management systems.

56 questions
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Method 'getCfg' is deprecated joomla

My phpstorm reports that the following is deprecated: $app = Factory::getApplication(); $sitename = $app->getCfg('sitename'); What is the new correct way to go for this in Joomla 4 ?
Bas van den Dikkenberg
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Add helper / submenu to Joomla 4

I have to migrate some files and functions from Joomla 3 to 4. A former colleague had add custom extensions to the J3 CMS. I don't know exactly what I'm doing wrong. I'm trying to add a submenu to a component admin view in the backend using a helper…
Chris_Giggs
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1 answer

Call Model from custom component into Joomla 4 controller

I have been working in Joomla 4.2.5 and I need to convert my custom components from Joomla 3 to Joomla 4 compatible. I am trying to call model from my custom component into Joomla user controller file, but I am getting an error and code does not…
Ashish Patel
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Joomla 4.2.2 Extract site parameters from Admin

Thanks to everybody who could help me !! Since 3 days i'm trying to extract a color parameter without success. I have a child theme of cassiopeia named cassiopeia_lolo installed by default. (Yellow star activated) I implemented 3 color picker to…
LoloTool
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Joomla 4 Smart Search: Extra database for indexing data

I'm just about to migrate my site from Joomla 3 to Joomla 4. It's a pretty big website with thousands of articles that leads to problems using the new Joomla smart search. The indexing of the articles for the smart search lets the database grow up…
mib1980
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Authorize.net payment gateway endpoint url for joomla4

currently, I am trying to implement the Authoroze.net payment gateway in my Joomla 4 project. I am using webhook notifications for payment transactions. The problem I am facing is that the Authorize.net endpoint URL cannot contain any white space or…
Sanjana Khan
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Joomla 4 CSP and SVGATOR

Created animated svgs in svgator (containing js)) which are being blocked by the CSP in Joomla 4. Could anyone please assist in the correct settings for the System > HTML Headers plugin Content-Security-Policy (CSP) tab. Thanks in advance!
jimmywiddle
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Export all contents from my Joomla website

I have a Joomla website and I recently discovered that there are a number of malicious files on different directories. I have a backup and want to setup a new Joomla site and use the previous website data from the backup database. I checked the…
nasirkhan
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Joomla 4 session does not expire at front end

Currently, I am working on Joomla 4 and integrating website with Joomla version 4.2.5. From global config, I have set up session handler option to 'Database' and Session life time to 15 minutes. At front end side, user does not logged out, if user…
Ashish Patel
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Href properties of the main menu items are empty just on the live site

I have updated a website from Joomla 3 to Joomla 4 on my local machine. When I upload it all the main menu items are shown on the frontend with the HREF fields empty. I can't understand why this is happening. On my local machine, everything works…
Davide Casiraghi
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Joomla 4: Is there any method to deregister JavaScript for specific page

I am trying to deregister few code Java script on specific page, I have been using below code but JavaScript does not removing from page. $wa = Factory::getApplication()->getDocument()->getWebAssetManager(); $wa->disableScript('core'); But is is…
Ashish Patel
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Joomla Fabrik List element not clickable

Joomla433 - Fabrik4delta I created a list that contains an element src (type text) This element src contains an URL (link to peertube videos) In the list I created a calc field to generate a iframe tag with the source attribut = the value of…
G. Trennert
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add vertical list of links on left side of template Joomla 4

in the Cassiopeia template, a vertical list of links on the left side (left middle). I am new in Joomla, so I looked how to modify a template and I found it is in Joomla webiste, but I think I have the option also in the server (iPage). What I found…
Esther Fernandez Teruel
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What could cause the "cannot read properties of undefined (isValid)" error in Joomla 4

I have an another problem in my form in the administrator side of the website. I have a custom component, in which there is a form. When I click on Save or Save and close, or even the little arrow next to Save and close, I have those error : For…
Sephirah
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Joomla 4 - how to override config.xml of com_users component

I am trying to add extra fields to com_users's config.xml. I managed to do it by adding them directly to config.xml. However, if I update to the next available Joomla 4 version, I will lose all the additional fields I have added to config.xml. I…
Dharmesh
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