Same name in this branch

1. 9 core/lib/Drupal/Core/KeyValueStore/MemoryStorage.php \Drupal\Core\KeyValueStore\MemoryStorage::deleteAll()

Same name and namespace in other branches

1. 8.9.x core/lib/Drupal/Core/Config/MemoryStorage.php \Drupal\Core\Config\MemoryStorage::deleteAll()
2. 8.9.x core/lib/Drupal/Core/KeyValueStore/MemoryStorage.php \Drupal\Core\KeyValueStore\MemoryStorage::deleteAll()
3. 10 core/lib/Drupal/Core/Config/MemoryStorage.php \Drupal\Core\Config\MemoryStorage::deleteAll()
4. 10 core/lib/Drupal/Core/KeyValueStore/MemoryStorage.php \Drupal\Core\KeyValueStore\MemoryStorage::deleteAll()
5. 11.x core/lib/Drupal/Core/Config/MemoryStorage.php \Drupal\Core\Config\MemoryStorage::deleteAll()
6. 11.x core/lib/Drupal/Core/KeyValueStore/MemoryStorage.php \Drupal\Core\KeyValueStore\MemoryStorage::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/MemoryStorage.php, line 130

Class

MemoryStorage

Provides an in memory configuration storage.

Namespace

Drupal\Core\Config

Code

public function deleteAll($prefix = '') {
    if (!$this->config
        ->offsetExists($this->collection)) {
        // There's nothing to delete.
        return FALSE;
    }
    if ($prefix === '') {
        $this->config
            ->offsetUnset($this->collection);
        return TRUE;
    }
    $success = FALSE;
    foreach (array_keys($this->config[$this->collection]) as $name) {
        if (strpos($name, $prefix) === 0) {
            $success = TRUE;
            unset($this->config[$this->collection][$name]);
        }
    }
    // Remove the collection if it is empty.
    if (empty($this->config[$this->collection])) {
        $this->config
            ->offsetUnset($this->collection);
    }
    return $success;
}

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