public static function YamlFormEmailConfirm::validateYamlFormEmailConfirm in YAML Form 8

Validates an email confirm element.

File

src/Element/YamlFormEmailConfirm.php, line 113

Class

YamlFormEmailConfirm

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

Namespace

Drupal\yamlform\Element

Code

public static function validateYamlFormEmailConfirm(&$element, FormStateInterface $form_state, &$complete_form) {
  $mail_1 = trim($element['mail_1']['#value']);
  $mail_2 = trim($element['mail_2']['#value']);
  $has_access = !isset($element['#access']) || $element['#access'] === TRUE;
  if ($has_access) {
    if ((!empty($mail_1) || !empty($mail_2)) && strcmp($mail_1, $mail_2)) {
      $form_state
        ->setError($element['mail_2'], 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 ($element['mail_1']['#required'] && empty($mail_1)) {
        if (isset($element['#required_error'])) {
          $form_state
            ->setError($element, $element['#required_error']);
        }
        elseif (isset($element['mail_1']['#title'])) {
          $form_state
            ->setError($element, t('@name field is required.', [
            '@name' => $element['mail_1']['#title'],
          ]));
        }
        else {
          $form_state
            ->setError($element);
        }
      }

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

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