How to get a url parameter in Magento controller?

Question

Is there a Magento function to get the value of \"id\" from this url:

http://example.com/path/action/id/123

I know I can split the url on \"/\" to get the va

Answer 1

If it's a Magento module, you can use the Varien Object getter. If it's for your own module controller, you may want to use the register method.

Source: http://www.vjtemplates.com/blog/magento/register-and-registry