How do I access a Rails configuration value during runtime?

Question

I\'m using Rails 2.3.x. I would like a small section of code to run if and only if the config.cache_classes is true. By default, that\'s true for production and f

Answer 1

Depending on where you are in a module, you may need to access the root namespace. This should provide access from anywhere in a universal way for rails 3+:

::Rails.application.config

Answer 2

For Rails 2, you can do:

Rails.configuration.cache_classes

If you ever switch to Rails 3, it'll be different; you can access the same value with:

Rails.application.config.cache_classes