Initial Drupal 11 with DDEV setup

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

@@ -0,0 +1,39 @@
+<?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;
+
+/**
+ * Yields a variadic argument's values from the request attributes.
+ *
+ * @author Iltar van der Berg <kjarli@gmail.com>
+ */
+final class VariadicValueResolver implements ValueResolverInterface
+{
+    public function resolve(Request $request, ArgumentMetadata $argument): array
+    {
+        if (!$argument->isVariadic() || !$request->attributes->has($argument->getName())) {
+            return [];
+        }
+
+        $values = $request->attributes->get($argument->getName());
+
+        if (!\is_array($values)) {
+            throw new \InvalidArgumentException(\sprintf('The action argument "...$%1$s" is required to be an array, the request attribute "%1$s" contains a type of "%2$s" instead.', $argument->getName(), get_debug_type($values)));
+        }
+
+        return $values;
+    }
+}