Hi,
I've adopted ZF as the framework that I am rewriting my modules.  One of the
things I'd like to do is have a better way of changing / defining some of my
modules' behaviour.

I am considering using Zend_Config (not sure if .ini o .xml) and have
development, stagging and production config files.  When the bootstrap is
called I find out which enviroment I am using and in my __construct  I load
the appropriate config file.

Basically I have 3 questions:
a) should I use Zend_Config or is there any better way?
b) which format should I use? ini or xml?  The parameters can be numbers,
strings or mixed arrays
c) If I use Zend_Config I am planning something like the snippet below. Any
advice on using it or a smarter way?

.../blog/application/<models,views,controllers>
.../blog/application/config/devel.xml, stagging.xml production.xml

index.php
...
if(some tests do define the environment as devel)
  Zend_Registry::set('ENVIRONMENT','devel')
elseif(some tests do define the environment as stagging)
  Zend_Registry::set('ENVIRONMENT','staggingl')
else
  Zend_Registry::set('ENVIRONMENT','production')


blog/IndexController.php
class Blog_IndexController
{
function indexAction()
{
... throw an Exception if the environment is not defined...
$blog = new Blog(...,Zend_Registry::get('ENVIRONMENT');

}

}

Blog.php
class Blog
{
   function __construct(...,$environment)
  {
        $config = new
Zend_Config(/path_to_module/config/".$environment.".xml") ;
  }

}

Thanks.

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