Composer and PSR-0 class autoloading with namespaces - php

Question

Hello guys i have problem with autoloading my class with composer. On Linux all work perfect, but now my boss change env and set Windows. All this work on linux but windows show newbie fatal error:
Fatal error: Class 'AbstractController' not found in
D:\xampp\htdocs\ikacFw\frontController.php on line 7
Common to see my composer.json and stucture for better picture on problem.
Stucture is :
frontController.php
-- vendor
----- Doctrine
----- Ikac
--------- Components
---------- Mvc
------------- Controller
Am trying to load all data from vendor directory.
Composer.json
{
"autoload": {
"psr-0": {
"vendor": ""
}
}
}
Also new component i add manual. Like this :
$loader = require_once 'vendor/autoload.php';
$loader->add('vendor', "Ikac");
Okay next when i try to call :
<?php
require_once 'vendor/autoload.php';
use Ikac\Mvc\Controller;
$a = new AbstractController();
I get error "not found".
My class AbstractController contain defined namespace but dont work again. Like test i do this:
<?php
//vendor/Ikac/Mvc/Controller/AbstractController.php
namespace Ikac\Mvc\Controller;
class AbstractController {
function __construct() {
echo __CLASS__;
}
}
?>
I do from cmd composer dump-autoload, install, but dont work. All this perfect work on linux but here wont. Any idea how to fix this or where i do mistake.
Thanks guys!
SLOVED:
{
"autoload": {
"psr-0": {
"": "vendor/"
}
}
}

Answer 1

Well you should do
<?php
require_once 'vendor/autoload.php';
use Ikac\Mvc\Controller\AbstractController;
$a = new AbstractController();

Answer 2

Your autoloading declaration is wrong.
You will NEVER ever need to include the vendor folder in any autoloading. The vendor folder will contain the autoloading for both all dependencies, and - if configured - for your own classes as well.
You can use Composer to create autoloading for your own classes. Just include the correct info. But from your current info I cannot deduct what would be correct.