How to make a route in Symfony that, in the case of a certain parameter, will remove it from the final URL?

Question

symfony

I can't figure out how to do
$this->generateUrl('page_locale', [ 'lang' => 'en' ]); in this framework. to automatically remove en from the URL since it's the default language

Answer 1

Apparently you need a custom router.
I threw an example on flex'e :
The router itself: Router
we replace the default one with our own: services.yaml