Initial commit: Grav CMS setup with HTML reference material

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

user/plugins/email/vendor/symfony/mailer/DataCollector/MessageDataCollector.php

@@ -0,0 +1,68 @@
+<?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\Mailer\DataCollector;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpKernel\DataCollector\DataCollector;
+use Symfony\Component\Mailer\Event\MessageEvents;
+use Symfony\Component\Mailer\EventListener\MessageLoggerListener;
+
+/**
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+final class MessageDataCollector extends DataCollector
+{
+    private $events;
+
+    public function __construct(MessageLoggerListener $logger)
+    {
+        $this->events = $logger->getEvents();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function collect(Request $request, Response $response, ?\Throwable $exception = null)
+    {
+        $this->data['events'] = $this->events;
+    }
+
+    public function getEvents(): MessageEvents
+    {
+        return $this->data['events'];
+    }
+
+    /**
+     * @internal
+     */
+    public function base64Encode(string $data): string
+    {
+        return base64_encode($data);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function reset()
+    {
+        $this->data = [];
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getName(): string
+    {
+        return 'mailer';
+    }
+}