function MemoryStorage::listAll

Overrides StorageInterface::listAll

File

core/lib/Drupal/Core/Config/MemoryStorage.php, line 113

Class

MemoryStorage

Provides an in memory configuration storage.

Namespace

Code

public function listAll($prefix = '') {
    if (empty($this->config[$this->collection])) {
        // If the collection is empty no keys are set.
        return [];
    }
    $names = array_keys($this->config[$this->collection]);
    if ($prefix !== '') {
        $names = array_filter($names, function ($name) use ($prefix) {
            return strpos($name, $prefix) === 0;
        });
    }
    return $names;
}