protected function YamlForm::collectSubElementKeysRecursive in YAML Form 8

Collect sub element keys from a render array.

Parameters

array $sub_element_keys: An array to be populated with sub element keys.

array $elements: A render array.

1 call to YamlForm::collectSubElementKeysRecursive()

YamlForm::deleteElementRecursive in src/Entity/YamlForm.php

Remove an element by key from a render array.

File

src/Entity/YamlForm.php, line 1050

Class

YamlForm

Defines the form entity.

Namespace

Drupal\yamlform\Entity

Code

protected function collectSubElementKeysRecursive(array &$sub_element_keys, array $elements) {
  foreach ($elements as $key => &$element) {
    if (Element::property($key) || !is_array($element)) {
      continue;
    }
    $sub_element_keys[$key] = $key;
    $this
      ->collectSubElementKeysRecursive($sub_element_keys, $element);
  }
}