vendor/symfony/mailer/Mailer.php line 32
<?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;use Psr\EventDispatcher\EventDispatcherInterface;use Symfony\Component\Mailer\Event\MessageEvent;use Symfony\Component\Mailer\Exception\TransportExceptionInterface;use Symfony\Component\Mailer\Messenger\SendEmailMessage;use Symfony\Component\Mailer\Transport\TransportInterface;use Symfony\Component\Messenger\Exception\HandlerFailedException;use Symfony\Component\Messenger\MessageBusInterface;use Symfony\Component\Mime\RawMessage;/*** @author Fabien Potencier <fabien@symfony.com>*/final class Mailer implements MailerInterface{private TransportInterface $transport;private ?MessageBusInterface $bus;private ?EventDispatcherInterface $dispatcher;public function __construct(TransportInterface $transport, MessageBusInterface $bus = null, EventDispatcherInterface $dispatcher = null){$this->transport = $transport;$this->bus = $bus;$this->dispatcher = $dispatcher;}public function send(RawMessage $message, Envelope $envelope = null): void{if (null === $this->bus) {$this->transport->send($message, $envelope);return;}$stamps = [];if (null !== $this->dispatcher) {// The dispatched event here has `queued` set to `true`; the goal is NOT to render the message, but to let// listeners do something before a message is sent to the queue.// We are using a cloned message as we still want to dispatch the **original** message, not the one modified by listeners.// That's because the listeners will run again when the email is sent via Messenger by the transport (see `AbstractTransport`).// Listeners should act depending on the `$queued` argument of the `MessageEvent` instance.$clonedMessage = clone $message;$clonedEnvelope = null !== $envelope ? clone $envelope : Envelope::create($clonedMessage);$event = new MessageEvent($clonedMessage, $clonedEnvelope, (string) $this->transport, true);$this->dispatcher->dispatch($event);$stamps = $event->getStamps();}try {$this->bus->dispatch(new SendEmailMessage($message, $envelope), $stamps);} catch (HandlerFailedException $e) {foreach ($e->getNestedExceptions() as $nested) {if ($nested instanceof TransportExceptionInterface) {throw $nested;}}throw $e;}}}