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vendor/symfony/http-kernel/Controller/ArgumentResolver/UidValueResolver.php

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+<?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\HttpKernel\Controller\ArgumentResolver;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\Controller\ValueResolverInterface;
+use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
+use Symfony\Component\Uid\AbstractUid;
+
+final class UidValueResolver implements ValueResolverInterface
+{
+    public function resolve(Request $request, ArgumentMetadata $argument): array
+    {
+        if ($argument->isVariadic()
+            || !\is_string($value = $request->attributes->get($argument->getName()))
+            || null === ($uidClass = $argument->getType())
+            || !is_subclass_of($uidClass, AbstractUid::class, true)
+        ) {
+            return [];
+        }
+
+        try {
+            return [$uidClass::fromString($value)];
+        } catch (\InvalidArgumentException $e) {
+            throw new NotFoundHttpException(sprintf('The uid for the "%s" parameter is invalid.', $argument->getName()), $e);
+        }
+    }
+}