* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Mailer\Transport; /** * Uses several Transports using a failover algorithm. * * @author Fabien Potencier */ class FailoverTransport extends RoundRobinTransport { private $currentTransport = null; protected function getNextTransport(): ?TransportInterface { if (null === $this->currentTransport || $this->isTransportDead($this->currentTransport)) { $this->currentTransport = parent::getNextTransport(); } return $this->currentTransport; } protected function getInitialCursor(): int { return 0; } protected function getNameSymbol(): string { return 'failover'; } }