function ArrayElement::getAllKeys

Gets valid configuration data keys.

Return value

array Array of valid configuration data keys.

File

core/lib/Drupal/Core/Config/Schema/ArrayElement.php, line 23

Class

ArrayElement

Defines a generic configuration element that contains multiple properties.

Namespace

Code

protected function getAllKeys() {
    return is_array($this->value) ? array_keys($this->value) : [];
}