function Registry::reset

Invalidates theme registry caches.

To be called when the list of enabled extensions is changed.

File

core/lib/Drupal/Core/Theme/Registry.php, line 811

Class

Registry

Defines the theme registry service.

Namespace

Code

public function reset() {
  // Reset the runtime registry.
  foreach ($this->runtimeRegistry as $runtime_registry) {
    $runtime_registry->clear();
  }
  $this->runtimeRegistry = [];
  $this->registry = [];
  // Installing and uninstalling themes doesn't invalidate caches because
  // rendered output varies by theme, however the tabs on the appearance page
  // depend on the theme list, so invalidate those via the local tasks cache
  // tag.
  Cache::invalidateTags([
    'local_task',
  ]);
  $cids = [
    'theme_registry:build:modules',
  ];
  foreach ($this->themeHandler
    ->listInfo() as $theme_name => $info) {
    $cids[] = 'theme_registry:' . $theme_name;
    $cids[] = 'theme_registry:runtime:' . $theme_name;
  }
  $this->cache
    ->deleteMultiple($cids);
  if ($this->runtimeCache) {
    $this->runtimeCache
      ->deleteMultiple($cids);
  }
  return $this;
}