public static function WebformEmailConfirm::validateWebformEmailConfirm in Webform 8.5

Same name and namespace in other branches

1. 6.x src/Element/WebformEmailConfirm.php \Drupal\webform\Element\WebformEmailConfirm::validateWebformEmailConfirm()

Validates an email confirm element.

File

src/Element/WebformEmailConfirm.php, line 168

Class

WebformEmailConfirm

Provides a webform element requiring users to double-element and confirm an email address.

Namespace

Drupal\webform\Element

Code

public static function validateWebformEmailConfirm(&$element, FormStateInterface $form_state, &$complete_form) {
  if (isset($element['flexbox'])) {
    $mail_element =& $element['flexbox'];
  }
  else {
    $mail_element =& $element;
  }
  $mail_1 = trim($mail_element['mail_1']['#value']);
  $mail_2 = trim($mail_element['mail_2']['#value']);
  if (Element::isVisibleElement($element)) {

    // Compare email addresses.
    if ((!empty($mail_1) || !empty($mail_2)) && strcmp($mail_1, $mail_2)) {
      $form_state
        ->setError($element, t('The specified email addresses do not match.'));
    }
    else {

      // NOTE: Only mail_1 needs to be validated since mail_2 is the same value.
      // Verify the required value.
      if ($mail_element['mail_1']['#required'] && empty($mail_1)) {
        $required_error_title = isset($mail_element['mail_1']['#title']) ? $mail_element['mail_1']['#title'] : NULL;
        WebformElementHelper::setRequiredError($element, $form_state, $required_error_title);
      }

      // Verify that the value is not longer than #maxlength.
      if (isset($mail_element['mail_1']['#maxlength']) && mb_strlen($mail_1) > $mail_element['mail_1']['#maxlength']) {
        $t_args = [
          '@name' => $mail_element['mail_1']['#title'],
          '%max' => $mail_element['mail_1']['#maxlength'],
          '%length' => mb_strlen($mail_1),
        ];
        $form_state
          ->setError($element, t('@name cannot be longer than %max characters but is currently %length characters long.', $t_args));
      }
    }

    // Add email validation errors for inline form errors.
    // @see \Drupal\Core\Render\Element\Email::validateEmail
    $inline_errors = empty($complete_form['#disable_inline_form_errors']) && \Drupal::moduleHandler()
      ->moduleExists('inline_form_errors');
    $mail_error = $form_state
      ->getError($mail_element['mail_1']);
    if ($inline_errors && $mail_error) {
      $form_state
        ->setError($element, $mail_error);
    }
  }

  // Set #title for other validation callbacks.
  // @see \Drupal\webform\Plugin\WebformElementBase::validateUnique
  if (isset($mail_element['mail_1']['#title'])) {
    $element['#title'] = $mail_element['mail_1']['#title'];
  }

  // Email field must be converted from a two-element array into a single
  // string regardless of validation results.
  $form_state
    ->setValueForElement($mail_element['mail_1'], NULL);
  $form_state
    ->setValueForElement($mail_element['mail_2'], NULL);
  $element['#value'] = $mail_1;
  $form_state
    ->setValueForElement($element, $mail_1);
}