symfony/symfony — pull request #2773 by Herzult (2011-12-02 17:09:31+00:00)
Title: Add the possibility to create a non-persistent flash

I was just wondering if there is a reason why the ability to create non-persistent flashes (like in RoR or sf) was not ported into the Symfony session.

In the case, you'll find a simple implementation with the PR.