Global Config Form not reading live Configuration

[PhilETaylor]

Steps to reproduce the issue

Install Joomla 3.8.8
Go to admin -> Global Configuration -> as a test enable DEBUG = YES - then save,

LEAVE THE GLOBAL CONFIG PAGE OPEN (http://example.com/administrator/index.php?option=com_config)

Manually edit $debug = '0'; in /configuration.php, therefore setting debug to off

return to the Joomla admin and simply refresh the page (http://example.com/administrator/index.php?option=com_config)

Expected result

That the change on the file system is reflected in the interface

Actual result

Debug is still shown as on.
The config is loaded from the session, instead of from configuration.php

System information (as much as possible)

Joomla 3.8.8
Google Chrome

[dgrammatiko]

Log out and log in again should update the values

[dgrammatiko]

I think it’s done this way for performance, but I guess the edit page should always fetch from the file, so I agree here

[dgrammatiko]

Flipping the arrays here

joomla-cms/administrator/components/com_config/model/application.php

Line 82 in 66debe9

$data = array_merge($data, $temp);

should do that, I do t know if there are bad effects doing it though

[ggppdk]

That merge order seems correct

administrator/components/com_config/controller/application/save.php

is different than other controllers it always adds data into session unlike all other controllers that only add them on

validation error
save error

Also it does not seem to clear them on successful save

[joomla-cms-bot]

Set to "closed" on behalf of @franz-wohlkoenig by The JTracker Application at issues.joomla.org/joomla-cms/20588

[ghost]

closed as having Pull Request #20590