Feature: #97451 - PSR-14 events for modifying backend page content
See forge#97451
Description
A new PSR-14 event
\TYPO3\
has
been introduced which serves as a direct replacement for the now removed
$GLOBALS
,
$GLOBALS
, and
$GLOBALS
hooks.
The new event triggers after the page is rendered and includes the rendered page body. Listeners may overwrite the page string if desired.
Example
Registration of the event in your extension's Services.
:
MyVendor\MyPackage\MyEventListener:
tags:
- name: event.listener
identifier: 'my-package/backend/after-backend-controller-render'
The corresponding event listener class:
use TYPO3\CMS\Backend\Controller\Event\AfterBackendPageRenderEvent;
final class MyEventListener
{
public function __invoke(AfterBackendPageRenderEvent $event): void
{
$content = $event->getContent() . ' I was here';
$event->setContent($content);
}
}
Impact
It's now possible to modify the backend page using the new PSR-14 event
After
.