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vendor/symfony/mailer/Event/MessageEvents.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\Mailer\Event;
+
+use Symfony\Component\Mime\RawMessage;
+
+/**
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class MessageEvents
+{
+    /**
+     * @var MessageEvent[]
+     */
+    private array $events = [];
+
+    /**
+     * @var array<string, bool>
+     */
+    private array $transports = [];
+
+    public function add(MessageEvent $event): void
+    {
+        $this->events[] = $event;
+        $this->transports[$event->getTransport()] = true;
+    }
+
+    public function getTransports(): array
+    {
+        return array_keys($this->transports);
+    }
+
+    /**
+     * @return MessageEvent[]
+     */
+    public function getEvents(?string $name = null): array
+    {
+        if (null === $name) {
+            return $this->events;
+        }
+
+        $events = [];
+        foreach ($this->events as $event) {
+            if ($name === $event->getTransport()) {
+                $events[] = $event;
+            }
+        }
+
+        return $events;
+    }
+
+    /**
+     * @return RawMessage[]
+     */
+    public function getMessages(?string $name = null): array
+    {
+        $events = $this->getEvents($name);
+        $messages = [];
+        foreach ($events as $event) {
+            $messages[] = $event->getMessage();
+        }
+
+        return $messages;
+    }
+}