function NullStorageExpirable::getAllKeys

Retrieves all keys in the collection.

Return value

iterable<string> A list of all keys present in the collection.

Overrides KeyValueStoreInterface::getAllKeys

File

core/lib/Drupal/Core/KeyValueStore/NullStorageExpirable.php, line 62

Class

NullStorageExpirable

Defines a null key/value store implementation.

Namespace

Code

public function getAllKeys() : iterable {
  return [];
}