public function ConfigCacheTag::onSave in Zircon Profile 8
Same name and namespace in other branches
- 8.0 core/modules/system/src/EventSubscriber/ConfigCacheTag.php \Drupal\system\EventSubscriber\ConfigCacheTag::onSave()
Invalidate cache tags when particular system config objects are saved.
Parameters
\Drupal\Core\Config\ConfigCrudEvent $event: The Event to process.
File
- core/
modules/ system/ src/ EventSubscriber/ ConfigCacheTag.php, line 54 - Contains \Drupal\system\EventSubscriber\ConfigCacheTag.
Class
- ConfigCacheTag
- A subscriber invalidating cache tags when system config objects are saved.
Namespace
Drupal\system\EventSubscriberCode
public function onSave(ConfigCrudEvent $event) {
// Changing the site settings may mean a different route is selected for the
// front page. Additionally a change to the site name or similar must
// invalidate the render cache since this could be used anywhere.
if ($event
->getConfig()
->getName() === 'system.site') {
$this->cacheTagsInvalidator
->invalidateTags([
'route_match',
'rendered',
]);
}
// Theme configuration and global theme settings.
if (in_array($event
->getConfig()
->getName(), [
'system.theme',
'system.theme.global',
], TRUE)) {
$this->cacheTagsInvalidator
->invalidateTags([
'rendered',
]);
}
// Theme-specific settings, check if this matches a theme settings
// configuration object, in that case, clear the rendered cache tag.
foreach (array_keys($this->themeHandler
->listInfo()) as $theme_name) {
if ($theme_name == $event
->getConfig()
->getName()) {
$this->cacheTagsInvalidator
->invalidateTags([
'rendered',
]);
break;
}
}
}