Location: /core/modules/locale/src/EventSubscriber/ConfigSubscriber.php
namespace Drupal\locale\EventSubscriber;
use Drupal\Core\DrupalKernel;
use Drupal\Core\Config\ConfigCrudEvent;
use Drupal\Core\Config\ConfigEvents;
use Symfony\Component\DependencyInjection\Attribute\Autowire;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
/**
* Rebuilds the container when locale config is changed.
*/
class ConfigSubscriber implements EventSubscriberInterface {
public function __construct(#[Autowire(service: 'kernel')] private DrupalKernel $kernel) {
}
/**
* Causes the container to be rebuilt on the next request if necessary.
*
* @param \Drupal\Core\Config\ConfigCrudEvent $event
* The configuration event.
*/
public function onConfigSave(ConfigCrudEvent $event): void {
$saved_config = $event->getConfig();
if (!$saved_config->isNew() && $saved_config->getName() == 'locale.settings' && $event->isChanged('translate_english')) {
// Trigger a container rebuild on the next request by invalidating it.
$this->kernel->invalidateContainer();
}
}
/**
* {@inheritdoc}
*/
public static function getSubscribedEvents(): array {
$events[ConfigEvents::SAVE][] = ['onConfigSave', 0];
return $events;
}
}