vendor/symfony/routing/Loader/Psr4DirectoryLoader.php line 62
<?php/** This file is part of the Symfony package.** (c) Fabien Potencier <fabien@symfony.com>** 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\FileLocatorInterface;use Symfony\Component\Config\Loader\DirectoryAwareLoaderInterface;use Symfony\Component\Config\Loader\Loader;use Symfony\Component\Config\Resource\DirectoryResource;use Symfony\Component\Routing\RouteCollection;/*** A loader that discovers controller classes in a directory that follows PSR-4.** @author Alexander M. Turek <me@derrabus.de>*/final class Psr4DirectoryLoader extends Loader implements DirectoryAwareLoaderInterface{private ?string $currentDirectory = null;public function __construct(private readonly FileLocatorInterface $locator,) {// PSR-4 directory loader has no env-aware logic, so we drop the $env constructor parameter.parent::__construct();}/*** @param array{path: string, namespace: string} $resource*/public function load(mixed $resource, string $type = null): ?RouteCollection{$path = $this->locator->locate($resource['path'], $this->currentDirectory);if (!is_dir($path)) {return new RouteCollection();}return $this->loadFromDirectory($path, trim($resource['namespace'], '\\'));}public function supports(mixed $resource, string $type = null): bool{return ('attribute' === $type || 'annotation' === $type) && \is_array($resource) && isset($resource['path'], $resource['namespace']);}public function forDirectory(string $currentDirectory): static{$loader = clone $this;$loader->currentDirectory = $currentDirectory;return $loader;}private function loadFromDirectory(string $directory, string $psr4Prefix): RouteCollection{$collection = new RouteCollection();$collection->addResource(new DirectoryResource($directory, '/\.php$/'));$files = iterator_to_array(new \RecursiveIteratorIterator(new \RecursiveCallbackFilterIterator(new \RecursiveDirectoryIterator($directory, \FilesystemIterator::SKIP_DOTS | \FilesystemIterator::FOLLOW_SYMLINKS),function (\SplFileInfo $current) {return !str_starts_with($current->getBasename(), '.');}),\RecursiveIteratorIterator::SELF_FIRST));usort($files, function (\SplFileInfo $a, \SplFileInfo $b) {return (string) $a > (string) $b ? 1 : -1;});/** @var \SplFileInfo $file */foreach ($files as $file) {if ($file->isDir()) {$collection->addCollection($this->loadFromDirectory($file->getPathname(), $psr4Prefix.'\\'.$file->getFilename()));continue;}if ('php' !== $file->getExtension() || !class_exists($className = $psr4Prefix.'\\'.$file->getBasename('.php')) || (new \ReflectionClass($className))->isAbstract()) {continue;}$collection->addCollection($this->import($className, 'attribute'));}return $collection;}}