public CachedStorage::deleteAll($prefix = '')
Deletes configuration objects whose names start with a given prefix.
Given the following configuration object names:
- node.type.article
 - node.type.page
 
Passing the prefix 'node.type.' will delete the above configuration objects.
Parameters
string $prefix: (optional) The prefix to search for. If omitted, all configuration objects that exist will be deleted.
Return value
bool TRUE on success, FALSE otherwise.
Overrides StorageInterface::deleteAll
File
- core/lib/Drupal/Core/Config/CachedStorage.php, line 215
 
Class
- CachedStorage
 - Defines the cached storage.
 
Namespace
Drupal\Core\Config
Code
public function deleteAll($prefix = '') {
  // If the cache was the first to be deleted, another process might start
  // rebuilding the cache before the storage is renamed.
  $names = $this->storage->listAll($prefix);
  if ($this->storage->deleteAll($prefix)) {
    $this->cache->deleteMultiple($this->getCacheKeys($names));
    return TRUE;
  }
  return FALSE;
}
Please login to continue.