protected static function WebformCodeMirror::validateYaml in Webform 6.x

Same name and namespace in other branches

1. 8.5 src/Element/WebformCodeMirror.php \Drupal\webform\Element\WebformCodeMirror::validateYaml()

Validate YAML.

Parameters

array $element: The form element whose value is being validated.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

array $complete_form: The complete form structure.

Return value

array|null An array of error messages.

1 call to WebformCodeMirror::validateYaml()

WebformCodeMirror::getErrors in src/Element/WebformCodeMirror.php

Get validation errors.

File

src/Element/WebformCodeMirror.php, line 337

Class

WebformCodeMirror

Provides a webform element for using CodeMirror.

Namespace

Drupal\webform\Element

Code

protected static function validateYaml($element, FormStateInterface $form_state, $complete_form) {
  try {
    $value = $element['#value'];
    $data = Yaml::decode($value);
    if (!is_array($data) && $value) {
      throw new \Exception(t('YAML must contain an associative array of elements.'));
    }
    return NULL;
  } catch (\Exception $exception) {
    return [
      $exception
        ->getMessage(),
    ];
  }
}