function SystemConfigSubscriber::onConfigSave

Same name in other branches
  1. 9 core/modules/system/src/SystemConfigSubscriber.php \Drupal\system\SystemConfigSubscriber::onConfigSave()
  2. 8.9.x core/modules/system/src/SystemConfigSubscriber.php \Drupal\system\SystemConfigSubscriber::onConfigSave()
  3. 10 core/modules/system/src/SystemConfigSubscriber.php \Drupal\system\SystemConfigSubscriber::onConfigSave()

Rebuilds the router when the default or admin theme is changed.

Parameters

\Drupal\Core\Config\ConfigCrudEvent $event: The configuration event.

File

core/modules/system/src/SystemConfigSubscriber.php, line 41

Class

SystemConfigSubscriber
System Config subscriber.

Namespace

Drupal\system

Code

public function onConfigSave(ConfigCrudEvent $event) {
    $saved_config = $event->getConfig();
    if ($saved_config->getName() == 'system.theme' && ($event->isChanged('admin') || $event->isChanged('default'))) {
        $this->routerBuilder
            ->setRebuildNeeded();
    }
}

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