symfony/symfony — pull request #5290 by drak (2012-08-17 16:51:53+00:00)
Title: [FrameworkBundle] Allow to set null for the handler in NativeSessionStorage

Bug fix: no
Feature addition: yes (ok for RC)
Backwards compatibility break: yes
Symfony2 tests pass: yes
Fixes the following tickets: 5267
Todo: ~
License of the code: MIT
Documentation PR: ~

Refs #5267

Adds the following configuration

```
session:
handler_id: ~
```

Which allows the configuration of the session not to use any save handler and therefor just use whatever save_handler is set in `php.ini`