silverstripe-framework/main.php

<?php

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use SilverStripe\Core\AppKernel;
use SilverStripe\Core\HTTPApplication;
use SilverStripe\Core\Startup\ErrorControlChainMiddleware;
use SilverStripe\Core\Startup\OutputMiddleware;
use SilverStripe\Control\HTTPRequest;

require __DIR__ . '/src/includes/autoload.php';

// Default application
$request = HTTPRequest::createFromEnvironment();
$kernel = new AppKernel();
$app = new HTTPApplication($kernel);
$app->addMiddleware(new OutputMiddleware());
$app->addMiddleware(new ErrorControlChainMiddleware($app, $request));
$app->handle($request);