Problem z set_include_path, Automatyczne ładowanie klas Opcje

[nesquik_]

Witam.

Mam nadzieję, że piszę w dobrym dziale.
Mam taką strukturę plików:

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/app
    /controllers
    /libs
    /models
    /views
/core
   /main
      registry.php
   /config
   /libs
   init.php
index.php
.htaccess
 
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Chodzi o to że w pliku init mam funkcje set_include_path oraz funkcje __autoload.
Plik init.php jest includowany do index.php
Jeśli w index.php chcę wywołać klasę registry (plik /core/registry.php) to dostaję błędy.

init.php

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error_reporting(E_ALL);
 
if(!isset($_SESSION)){session_start();}
 
print_r(get_include_path());
 
 
set_include_path(get_include_path() . PATH_SEPARATOR . '/core/main');
set_include_path(get_include_path() . PATH_SEPARATOR . '/core/libs');
set_include_path(get_include_path() . PATH_SEPARATOR . '/core/config');
set_include_path(get_include_path() . PATH_SEPARATOR . '/app/controllers');
set_include_path(get_include_path() . PATH_SEPARATOR . '/app/views');
set_include_path(get_include_path() . PATH_SEPARATOR . '/app/models');
set_include_path(get_include_path() . PATH_SEPARATOR . '/app/libs');
 
function __autoload($name)
{	
	include_once($name.".php");
}
 
 
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index.php

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<?php
include_once 'core/init.php';
$router = registry::register('router');
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błędy:

.;C:\xampp\php\PEAR
Warning: include_once(registry.php): failed to open stream: No such file or directory in C:\xampp\htdocs\wildcms\core\init.php on line 19

Warning: include_once(): Failed opening 'registry.php' for inclusion (include_path='.;C:\xampp\php\PEAR;/core/main;/core/libs;/core/config;/app/controllers;/app/views;/app/models;/app/libs') in C:\xampp\htdocs\wildcms\core\init.php on line 19

Fatal error: Class 'registry' not found in C:\xampp\htdocs\wildcms\index.php on line 3

Próbowałem już na innych serwerach(wamp, xamp)