Symfony: Showing the dev toolbar in "prod" environment - debugging

Question

I managed to interactively set the debugging mode of my symfony application On and Off for a user session with something like this:
$configuration = ProjectConfiguration::getApplicationConfiguration($app,
$env, $debugging);
I know that the Web Debug Toolbar showing up or not does not depend on the value of $debugging, but the configuration of the current environment.
To this moment the only way that the toolbar appears is when $env = 'dev'.
I'd like to activate it when accessing the "prod" environment also.
I have this app setting:
prod:
.settings:
no_script_name: true
logging_enabled: false
web_debug: true
error_reporting: <?php echo (E_ALL | E_STRICT)."\n" ?>
dev:
.settings:
error_reporting: <?php echo (E_ALL | E_STRICT)."\n" ?>
web_debug: true
cache: false
no_script_name: false
etag: false
The toolbar is not being shown, apparently ignoring the "web_debug" setting.
If I echo(sfConfig::get('sf_web_debug')) I get "true".
¿How could I get the toolbar working?

Answer 1

you also need to change the factory.yml . By default, there's no Logger in the 'prod'-environment.
Just comment out like this:
prod:
# logger:
# class: sfNoLogger
# param:
# level: err
# loggers: ~

Answer 2

From memory you have to change a value in your frontend php file. Compare the frontend.php and frontend_dev.php files in your web directory. Look for a difference where one is true and the other is false (I think it's the last parameter).
The lines are:
require_once(dirname(__FILE__).'/../config/ProjectConfiguration.class.php');
$configuration = ProjectConfiguration::getApplicationConfiguration('frontend', 'prod', false));
sfContext::createInstance($configuration)->dispatch();
change to:
require_once(dirname(__FILE__).'/../config/ProjectConfiguration.class.php');
$configuration = ProjectConfiguration::getApplicationConfiguration('frontend', 'prod', true));
sfContext::createInstance($configuration)->dispatch();