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    <h3>Editing: DirectoryLoader.php</h3>
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/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier &lt;fabien@symfony.com&gt;
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Routing\Loader;

use Symfony\Component\Config\Loader\FileLoader;
use Symfony\Component\Config\Resource\DirectoryResource;
use Symfony\Component\Routing\RouteCollection;

class DirectoryLoader extends FileLoader
{
    /**
     * {@inheritdoc}
     */
    public function load($file, ?string $type = null)
    {
        $path = $this-&gt;locator-&gt;locate($file);

        $collection = new RouteCollection();
        $collection-&gt;addResource(new DirectoryResource($path));

        foreach (scandir($path) as $dir) {
            if ('.' !== $dir[0]) {
                $this-&gt;setCurrentDir($path);
                $subPath = $path.'/'.$dir;
                $subType = null;

                if (is_dir($subPath)) {
                    $subPath .= '/';
                    $subType = 'directory';
                }

                $subCollection = $this-&gt;import($subPath, $subType, false, $path);
                $collection-&gt;addCollection($subCollection);
            }
        }

        return $collection;
    }

    /**
     * {@inheritdoc}
     */
    public function supports($resource, ?string $type = null)
    {
        // only when type is forced to directory, not to conflict with AnnotationLoader

        return 'directory' === $type;
    }
}
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