How to increase the session timeout in Symfony

Question

I would like to know how to increase the session timeout in symfony. Is it enough to only adjust the symfony configuration settings or must I also configure anything in my php.ini file?

Answer 1

For Symfony 2.0.x

framework:
    session:
        lifetime: 43200  #time in seconds

For Symfony >= 2.1.0

framework:
    session:
        cookie_lifetime: 43200  #time in seconds