My index.php
<?php
error_reporting(E_ALL|E_STRICT);
ini_set('display_errors', 'on');
ini_set('include_path', ini_get('include_path') . PATH_SEPARATOR . 'libs/');
require_once('Doctrine/Doctrine.php');
require_once('Zend/Controller/Front.php');
Zend_Controller_Front::run('./app/controllers');
?>

My directories:

.:
apps
bootstrap.php
bootstrap.php~
core
index.php
libs
nohup.out
tmp
webroot

./apps:
forum

./apps/forum:
admin
app
libs

./apps/forum/admin:

./apps/forum/app:
controllers
models
views

./apps/forum/app/controllers:
IndexController.php
IndexController.php~

./apps/forum/app/models:

./apps/forum/app/views:
script

./apps/forum/app/views/script:
index

./apps/forum/app/views/script/index:
index.phtml
index.phtml~