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Questions tagged [joomla-4]

For questions regarding version 4 of the Joomla Content Management System.

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Where to place component code that executes after controller invocation?

For a custom component in Joomla 4 (and 5), is there a way to have some component code that gets executed after the controller execution step, regardless of which controller is triggered? Why? In ...
John Rix's user avatar
  • 551
0 votes
1 answer
34 views

Article fields layout

I am using Joomla 4 with casseiopa template. I have created a load of custom fields where the layout ends up like this: <ul class="fields-container"> <li class="field-entry ...
j00m's user avatar
  • 191
1 vote
0 answers
29 views

Updating user via J4 REST API resets password

In our organization we use Salesforce as the authoritative source of info about our users, so it makes sense for us to use that info when creating the associated users in our new Joomla site. I have ...
Jeff Gilmore's user avatar
0 votes
1 answer
117 views

Joomla 4 plugin to set template style for article

I would like to create a plugin to load a specified template style for each article on Joomla 4. The basic idea is as follows: Use a custom field in the article to specify the desired template style ...
Bruce Button's user avatar
0 votes
1 answer
71 views

Joomla Calendar field does not work when given format as D dS M Y

In my XML form, I have given a calendar field in the format='D dS M Y' which is as follows <field name="certificationdate" class="inputbox" format="D dS M Y" ...
user4571727's user avatar
0 votes
1 answer
30 views

Adding an extra category field to Joomla articles

I need to add an extra category field to my articles. I tried to add a SQL custom field by this SQL code: SELECT title AS text FROM jos_categories WHERE extension = "com_content" and ...
KEian's user avatar
  • 3
1 vote
1 answer
79 views

Reoder featured articles after migration to joomla 4

I have upgrade my site from Joomla 3.10.x to Joomla 4.3.2. My homepage shows a list of featured articles. I have create new featured articles and if i change the order in the backend with drag & ...
Raf's user avatar
  • 31
1 vote
3 answers
157 views

Joomla 4 component and custom field

Good day. I created a component using https://blog.astrid-guenther.de/en/joomla-custom-fields-im-frontend-integrieren/ https://blog.astrid-guenther.de/en/joomla-frontend-editing/ When editing an entry ...
antarey's user avatar
  • 35
1 vote
1 answer
58 views

How implement the PHP strip_tags in the Joomla 4-file com_content/archive/default_items.php

In Joomla 4.3.1, I've made an override of the com_content/archive/default_items.php Now I want to strip tags and display the string (text from article) as one line <p> only. Without any ...
TorbjörnN's user avatar
1 vote
1 answer
240 views

How to combine or merge SQL results into one row

I have a Joomla list page that I am trying to build each row from multiple tables that I haven't been able to figure out how to do efficiently with MySQL and would like some assistance. I suspect the ...
Irata's user avatar
  • 3,947
1 vote
0 answers
186 views

Problem possibly related to lazy loading of images in Joomla 4

A strange problem has appeared in the tagged items view of articles on my website https://eume.upf.org. See for example https://eume.upf.org/where-we-are/western-europe/germany, where the intro images ...
Alan Sillitoe's user avatar
2 votes
1 answer
284 views

Joomla 4 Reinstall Core FIles

Joomla 4.2.8 (current stable at time of writing) What does the button Reinstall Joomla! Core Files actually do? What are the 'core files'? I am experiencing some issues on my site and I've seen this ...
jonboy's user avatar
  • 3,603
1 vote
1 answer
368 views

Running a python script within a Joomla 4 component gets return value of 2. How do I get Joomla to run the script successfully?

I'm writing a custom Joomla 4 component, and when I try to run python code within the Model php file to pass to the View, the exec command returns an resultValue of 2. The python code is valid The ...
Vim's user avatar
  • 21
1 vote
1 answer
109 views

Where is Joomla's ServiceProviderInterface

I am working my way through a Joomla 4 component tutorial. I have setup Visual Studio Code's Intelephense to be able to find Joomla classes using includepath. That seems to be working fine for the ...
Jimmy's user avatar
  • 327
1 vote
1 answer
95 views

Entry values are changed in configuration.php

In the configuration.php of Joomla 4.2, entries are changed when saving. Entries with = '1'; are changed to = true; and entries with = '0'; or = ''; are changed to = false;. I think this has to do ...
agi's user avatar
  • 313
0 votes
1 answer
1k views

Joomla 4 Helper class not found

I'm sure I've missed something obvious, but I'm stumped. I have a helper class located at:administrator/components/com_supersite/src/Helper/supersite.php <?php \defined('_JEXEC') or die(); class ...
James's user avatar
  • 652
0 votes
1 answer
497 views

Joomla 4 Component json output

I'm building a simple Joomla 4 component, and I need to use a json view for some ajax requests. Just starting the testing process, and ran into an odd seemingly unrelated error message. I don't get ...
James's user avatar
  • 652
3 votes
1 answer
167 views

Joomla 4 - Check if Alias is Unique

I'm trying to develop a Joomla 4 component and I almost completed it, but I have issues to save an item when the Alias is not Unique. In the database, I've set up this: CREATE UNIQUE INDEX aliasindex ...
Sébastien Merour's user avatar
3 votes
1 answer
326 views

Joomla 4 Views will not load on some Hosts

Repo of component: https://github.com/Joomla-Bible-Study/Proclaim We have been converting our component to Joomla 4 standards and have run into a problem with it installed on some hosts, and non of ...
Brent Cordis's user avatar
1 vote
2 answers
156 views

Joomla 3->4 upgrade, page works OK but not as a cron job

I've got a few php pages which after upgrading to Joomla 4 didn't work, I have managed to get them working properly if I manually open them in the browser but they fail when run as a cron job. I am ...
ruraldev's user avatar
1 vote
2 answers
1k views

Login module crashes after 4.2.2 update

All my sites are crashing when the login module is brought up from a link. If the module is left on the site (without a link) the site crashes. I still have admin access and I have disabled the login ...
Jim Beal's user avatar
1 vote
1 answer
553 views

Remove component's view name from url joomla 4

I am using Joomla 4.2.1. I installed custom component which is previously used into Joomla 3.10.11. I create a menu item with view from this component. On Joomla 3.10.11 it works fine for example : ...
Vishal Patel's user avatar
1 vote
1 answer
221 views

How to get an article id in blog category view inside fields plugin

I created a custom field plugin. I need to get an article id in blog category view in plugin layout file: /plugins/fields/my_plugin/tmpl/default.php. In my article view, I can get it from $app->...
Sergey Tolkachyov's user avatar
1 vote
1 answer
610 views

Joomla correct way of routing

This is in my Controller. Currently, I am redirecting using the inherited function setRedirect(URL_TO_REDIRECT_TO). public function redirectTo($layout){ $this->setRedirect('index.php?option=...
DeesreX's user avatar
  • 87
2 votes
1 answer
213 views

Plugin to manipulate form data onContentBeforeSave

For a Joomla 4 project I wrote a Content Plugin to grab video thumbs from Video-URLs (Vimeo) the user adds into Custom form field of a frontend form. The following code successfully gets the video ...
cappu's user avatar
  • 139
4 votes
3 answers
485 views

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 ...
mib1980's user avatar
  • 81
1 vote
1 answer
416 views

Tooltip On Top of Module

I updated joomla to J4.1.4 and now i am getting module information top right of all the modules.
Richard Stephens's user avatar
1 vote
2 answers
73 views

Undefined property: PlgAuthenticationmyauthplugin::$name in /somepath/www/libraries/src/Authentication/Authentication.php on line 184

I have made a custom login plugin for Joomla 3 and now for Joomla 4. However, in Joomla 4, the login works as it should, but it generates a stack dump in the error log: [Mon Jun 06 10:13:58.034860 ...
Bas van den Dikkenberg's user avatar
1 vote
2 answers
4k views

JRequest Method in Joomla 4

JRequest Remove from Joomla 4 then how i must use this method for example $controller->execute( JRequest::getCmd('task', $view) not work i must change it to what ?
Ali Zangeneh's user avatar
0 votes
1 answer
887 views

Joomla 4: Error when I use getArticleRoute

In Joomla 4, when I use "RouteHelper::getArticleRoute", I get the next error: "Attempted to load class RouteHelper from namespace Joomla\Component\Content\Site\Helper. I want to use ...
Jon's user avatar
  • 1
0 votes
1 answer
37 views

URL doesn't recognize view after slash in custom component

The view in my custom component is no longer recognized in Joomla4 when passed as, for example, mycomponent/view/anotherinfo. In Joomla3, this worked normally. What happened? What do I need to change ...
David Ribeiro's user avatar
3 votes
2 answers
2k views

Joomla 4 URL processing/routing

I have a Joomla extension running on 3.10 which fails on Joomla 4. The issue is that it generates URLs of the form /index.php?option=COMPONENT&view=VIEW&task=TASK&parameter=PARAM which ...
John B's user avatar
  • 51
0 votes
1 answer
239 views

Implement SELECT query with a LEFT JOIN in J4

I want to get data from two tables using a LEFT JOIN. My query works in my current PHP code, I just don't know how to implement it with query building methods in J4. Can anyone help? SQL: SELECT `...
Dariusz Tokarz's user avatar
4 votes
3 answers
833 views

New files in Joomla 4 components

In Joomla 4 there are new files in the components, like: services/provider.php Extension/XxxComponent.php Service/HTML/AdministratorService Are there available documentation about how to implement ...
framontb's user avatar
  • 247
1 vote
1 answer
427 views

How to use Joomla for insert, delete, display and update data from mysql?

I'm just started to learn using Joomla and one of the things that I need to do is to build a form that can insert data and that data can be displayed to another Joomla page. I got a few comments from ...
random beco's user avatar
1 vote
0 answers
160 views

409 Conflict on Joomla 4 administrator backend

I am building a site using Joomal 4. I developed it on my local and uploaded that to the server. All the public pages of the site are rendering properly, but when I try to open the /administrator page,...
nasirkhan's user avatar
  • 111
0 votes
1 answer
259 views

Custom plugin doesn't even seem to load on Joomla 4

As a sort of newbie developer with php/Joomla, I created a content plugin for Joomla 3 which pretty much did what I wanted and expected... I then decided to migrate it to Joomla 4 following the very ...
Phil91's user avatar
  • 31
1 vote
1 answer
2k views

Trouble linking external css file with Dompdf library

I'm trying to create a Joomla system plugin enabling a user to generate a pdf based on a template. I'm using the Dompdf library. I managed to create a PDF, but linking to an external css file isn't ...
ShaneV's user avatar
  • 21
0 votes
2 answers
78 views

How to show 'Register New User' for all guests and something else for registered users?

I want to build a simple site with Joomla 4. The webpage should only handle these few things: For guests (not logged in users): Display an article with some text and the 'login mask' inside the ...
testo's user avatar
  • 101
0 votes
1 answer
210 views

Decode json strings from a database table column

I have a column in my database that essentially creates an array and I am essentially trying to explode it but I cannot figure out how to get it to work. Its also going into SQL with { characters ...
Brandon's user avatar
  • 69
2 votes
1 answer
352 views

language file naming conventions

Under Joomla 4 the language files for the core extension are no longer prefixed with the language code, e.g. en-GB.com_banners, however when I look in the manifest folders the files are defined with a ...
Irata's user avatar
  • 3,947
2 votes
2 answers
516 views

SQL syntax error in query with subquery using JDatabase

I'm coding my first Joomla! 4 component. There are two tables for the component: pfx_list, and pfx_member_to_list. Table pfx_list hash primary key id, and table pfx_member_to_list has foreign key ...
phunsoft's user avatar
  • 230
1 vote
0 answers
43 views

media:content tag missing from Joomla RSS Feed

I am using mailchimp to send newsletters. Everything works fine apart from the fact that my RSS feed generated by Joomla does not contain the media:content tag, hence mailchimp doesn't show the images ...
Anton's user avatar
  • 11
2 votes
2 answers
348 views

Add a field (Sql or List) in article options with a search bar inside in Joomla 4

I added a field type "sql" to show a list of options in the Article Options in Joomla 4. But I need to add a field like this with a search box inside to looking for one of the voices typing ...
Nintendomi's user avatar
3 votes
1 answer
168 views

Deleting user account when user has published articles

We've got a few dozens registered users on our website. They all have the right to publish, and edit articles in selected categories. Some of those users no longer need their access. So I can either ...
phunsoft's user avatar
  • 230
2 votes
1 answer
214 views

Conditional client side validation

I have a field on my form that is required if another field contains a certain value but otherwise is optional. I have set up a custom validator as follows: document.formvalidator.setHandler('...
Dave Torr's user avatar
1 vote
1 answer
57 views

J4 - Custom Profile Plugin - Hiding Groups

I have a custom profile plugin to extend user profile data. I want to add a switch to hide all BUT the core group of fields when the user checks and edits their profile. In my plugin (profileabc.php) ...
Glenn Arkell's user avatar
2 votes
2 answers
2k views

Loading a helper file in Joomla 4

I'm having trouble with using a helper file in Joomla 4, I'm not really sure where I'm going wrong. I have a helper file in my template, like templates/mytemplate/html/helper.php and this works well ...
AndyGaskell's user avatar
2 votes
2 answers
4k views

Loading the built-in jQuery in Joomla 4 if it does not exist

Tell me please. How to load jQuery in Joomla 4 if it has not been loaded yet?
MaXX's user avatar
  • 181
1 vote
2 answers
361 views

Joomla 4: Problem with the contact form, the text sent is missing

I'm creating a contact form with Privacy Check box (Joomla 4, template Cassiopeia). I have done all the steps as in joomla 3.x (custom fields) and everything works. But... When the e-mail arrives, all ...
BonVo84's user avatar
  • 11