WebDebugToolbarListener
class WebDebugToolbarListener implements EventSubscriberInterface
WebDebugToolbarListener injects the Web Debug Toolbar.
The onKernelResponse method must be connected to the kernel.response event.
The WDT is only injected on well-formed HTML (with a proper
© 2004–2017 Fabien Potencier
Licensed under the MIT License.
https://api.symfony.com/4.1/Symfony/Bundle/WebProfilerBundle/EventListener/WebDebugToolbarListener.html
