<?php
/**
* Register basic autoloader that uses include path
*
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
use Magento\Framework\Autoload\AutoloaderRegistry;
use Magento\Framework\Autoload\ClassLoaderWrapper;

/**
* Shortcut constant for the root directory
*/
define('BP', dirname(__DIR__));

define('VENDOR_PATH', BP . '/app/etc/vendor_path.php');

if (!file_exists(VENDOR_PATH)) {
throw new \Exception(
'We can\'t read some files that are required to run the Magento application. '
. 'This usually means file permissions are set incorrectly.'
);
}

$vendorDir = require VENDOR_PATH;
$vendorAutoload = BP . "/{$vendorDir}/autoload.php";

/* 'composer install' validation */
if (file_exists($vendorAutoload)) {
$composerAutoloader = include $vendorAutoload;
} else if (file_exists("{$vendorDir}/autoload.php")) {
$vendorAutoload = "{$vendorDir}/autoload.php";
$composerAutoloader = include $vendorAutoload;
} else {
throw new \Exception(
'Vendor autoload is not found. Please run \'composer install\' under application root directory.'
);
}

AutoloaderRegistry::registerAutoloader(new ClassLoaderWrapper($composerAutoloader));