establishing a local configuration for each developer, dev server, production...

Why use a hook? You can define the environment inside the index.php

Why use a hook? you can simply define the environment in the index.php

PHP Code:

if(! defined('ENVIRONMENT') )
{
  $domain = strtolower($_SERVER['HTTP_HOST']);
  switch($domain) {
    case 'www.yoursite.tld' :
      define('ENVIRONMENT', 'production');
    break;
    case 'test.yoursite.tld' :
      define('ENVIRONMENT', 'testing');
    break;
    default :
      define('ENVIRONMENT', 'development');
    break;
  }
} 


You can find more info on environment from a post of mine: http://avenir.ro/codeigniter-tutorials/s...ironments/

Website: http://avenir.ro