public function register(Container $container) { $container["data_collectors.swiftmailer.message_logger"] = function () { return new \Swift_Plugins_MessageLogger(); }; $container["data_collectors.swiftmailer.collector_container"] = function (Container $app) { $container = new SymfonyContainer(); $container->setParameter("swiftmailer.mailers", ["default" => $app["swiftmailer.options"]]); $container->setParameter("swiftmailer.default_mailer", "default"); $container->setParameter("swiftmailer.mailer.default.spool.enabled", $app["swiftmailer.use_spool"]); $container->set("swiftmailer.mailer.default.plugin.messagelogger", $app["data_collectors.swiftmailer.message_logger"]); return $container; }; $container->extend('mailer', function (\Swift_Mailer $mailer, Container $container) { $mailer->registerPlugin($container['data_collectors.swiftmailer.message_logger']); return $mailer; }); $container->extend('data_collectors', function (array $collectors, Container $container) { $collectors['swiftmailer'] = function ($container) { return new MessageDataCollector($container["data_collectors.swiftmailer.collector_container"]); }; return $collectors; }); $container->extend('data_collector.templates', function ($templates) { $templates[] = ['swiftmailer', '@Swiftmailer/Collector/swiftmailer.html.twig']; return $templates; }); $container->extend('twig.loader.filesystem', function (\Twig_Loader_Filesystem $loader) { $loader->addPath(dirname(dirname((new \ReflectionClass(MessageDataCollector::class))->getFileName())) . '/Resources/views', 'Swiftmailer'); return $loader; }); }