public function CachedStorage::deleteAll

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

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;
}