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class PasswordConfirm in Drupal 8

Same name and namespace in other branches
  1. 9 core/lib/Drupal/Core/Render/Element/PasswordConfirm.php \Drupal\Core\Render\Element\PasswordConfirm

Provides a form element for double-input of passwords.

Formats as a pair of password fields, which do not validate unless the two entered passwords match.

Properties:

  • #size: The size of the input element in characters.

Usage example:

$form['pass'] = array(
  '#type' => 'password_confirm',
  '#title' => $this
    ->t('Password'),
  '#size' => 25,
);

Plugin annotation

@FormElement("password_confirm");

Hierarchy

Expanded class hierarchy of PasswordConfirm

See also

\Drupal\Core\Render\Element\Password

1 file declares its use of PasswordConfirm
PasswordConfirmTest.php in core/tests/Drupal/Tests/Core/Render/Element/PasswordConfirmTest.php
4 #type uses of PasswordConfirm
AccountForm::form in core/modules/user/src/AccountForm.php
Gets the actual form array to be built.
FormTest::testRequiredFields in core/modules/system/tests/src/Functional/Form/FormTest.php
Check several empty values for required forms elements.
FormTestDisabledElementsForm::buildForm in core/modules/system/tests/modules/form_test/src/Form/FormTestDisabledElementsForm.php
Form constructor.
SiteConfigureForm::buildForm in core/lib/Drupal/Core/Installer/Form/SiteConfigureForm.php
Form constructor.

File

core/lib/Drupal/Core/Render/Element/PasswordConfirm.php, line 29

Namespace

Drupal\Core\Render\Element
View source
class PasswordConfirm extends FormElement {

  /**
   * {@inheritdoc}
   */
  public function getInfo() {
    $class = get_class($this);
    return [
      '#input' => TRUE,
      '#markup' => '',
      '#process' => [
        [
          $class,
          'processPasswordConfirm',
        ],
      ],
      '#theme_wrappers' => [
        'form_element',
      ],
    ];
  }

  /**
   * {@inheritdoc}
   */
  public static function valueCallback(&$element, $input, FormStateInterface $form_state) {
    if ($input === FALSE) {
      $element += [
        '#default_value' => [],
      ];
      return $element['#default_value'] + [
        'pass1' => '',
        'pass2' => '',
      ];
    }
    $value = [
      'pass1' => '',
      'pass2' => '',
    ];

    // Throw out all invalid array keys; we only allow pass1 and pass2.
    foreach ($value as $allowed_key => $default) {

      // These should be strings, but allow other scalars since they might be
      // valid input in programmatic form submissions. Any nested array values
      // are ignored.
      if (isset($input[$allowed_key]) && is_scalar($input[$allowed_key])) {
        $value[$allowed_key] = (string) $input[$allowed_key];
      }
    }
    return $value;
  }

  /**
   * Expand a password_confirm field into two text boxes.
   */
  public static function processPasswordConfirm(&$element, FormStateInterface $form_state, &$complete_form) {
    $element['pass1'] = [
      '#type' => 'password',
      '#title' => t('Password'),
      '#value' => empty($element['#value']) ? NULL : $element['#value']['pass1'],
      '#required' => $element['#required'],
      '#attributes' => [
        'class' => [
          'password-field',
          'js-password-field',
        ],
        'autocomplete' => [
          'new-password',
        ],
      ],
      '#error_no_message' => TRUE,
    ];
    $element['pass2'] = [
      '#type' => 'password',
      '#title' => t('Confirm password'),
      '#value' => empty($element['#value']) ? NULL : $element['#value']['pass2'],
      '#required' => $element['#required'],
      '#attributes' => [
        'class' => [
          'password-confirm',
          'js-password-confirm',
        ],
        'autocomplete' => [
          'new-password',
        ],
      ],
      '#error_no_message' => TRUE,
    ];
    $element['#element_validate'] = [
      [
        get_called_class(),
        'validatePasswordConfirm',
      ],
    ];
    $element['#tree'] = TRUE;
    if (isset($element['#size'])) {
      $element['pass1']['#size'] = $element['pass2']['#size'] = $element['#size'];
    }
    return $element;
  }

  /**
   * Validates a password_confirm element.
   */
  public static function validatePasswordConfirm(&$element, FormStateInterface $form_state, &$complete_form) {
    $pass1 = trim($element['pass1']['#value']);
    $pass2 = trim($element['pass2']['#value']);
    if (strlen($pass1) > 0 || strlen($pass2) > 0) {
      if (strcmp($pass1, $pass2)) {
        $form_state
          ->setError($element, t('The specified passwords do not match.'));
      }
    }
    elseif ($element['#required'] && $form_state
      ->getUserInput()) {
      $form_state
        ->setError($element, t('Password field is required.'));
    }

    // Password field must be converted from a two-element array into a single
    // string regardless of validation results.
    $form_state
      ->setValueForElement($element['pass1'], NULL);
    $form_state
      ->setValueForElement($element['pass2'], NULL);
    $form_state
      ->setValueForElement($element, $pass1);
    return $element;
  }

}

Members

Namesort descending Modifiers Type Description Overrides
DependencySerializationTrait::$_entityStorages protected property An array of entity type IDs keyed by the property name of their storages.
DependencySerializationTrait::$_serviceIds protected property An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep public function 1
DependencySerializationTrait::__wakeup public function 2
FormElement::processAutocomplete public static function Adds autocomplete functionality to elements.
FormElement::processPattern public static function #process callback for #pattern form element property.
FormElement::validatePattern public static function #element_validate callback for #pattern form element property.
MessengerTrait::$messenger protected property The messenger. 29
MessengerTrait::messenger public function Gets the messenger. 29
MessengerTrait::setMessenger public function Sets the messenger.
PasswordConfirm::getInfo public function Returns the element properties for this element. Overrides ElementInterface::getInfo
PasswordConfirm::processPasswordConfirm public static function Expand a password_confirm field into two text boxes.
PasswordConfirm::validatePasswordConfirm public static function Validates a password_confirm element.
PasswordConfirm::valueCallback public static function Determines how user input is mapped to an element's #value property. Overrides FormElement::valueCallback
PluginBase::$configuration protected property Configuration information passed into the plugin. 1
PluginBase::$pluginDefinition protected property The plugin implementation definition. 1
PluginBase::$pluginId protected property The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR constant A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId public function Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId public function Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition public function Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition 3
PluginBase::getPluginId public function Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable public function Determines if the plugin is configurable.
PluginBase::__construct public function Constructs a \Drupal\Component\Plugin\PluginBase object. 92
RenderElement::preRenderAjaxForm public static function Adds Ajax information about an element to communicate with JavaScript.
RenderElement::preRenderGroup public static function Adds members of this group as actual elements for rendering.
RenderElement::processAjaxForm public static function Form element processing handler for the #ajax form property. 1
RenderElement::processGroup public static function Arranges elements into groups.
RenderElement::setAttributes public static function Sets a form element's class attribute. Overrides ElementInterface::setAttributes
StringTranslationTrait::$stringTranslation protected property The string translation service. 1
StringTranslationTrait::formatPlural protected function Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals protected function Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation protected function Gets the string translation service.
StringTranslationTrait::setStringTranslation public function Sets the string translation service to use. 2
StringTranslationTrait::t protected function Translates a string to the current language or to a given language.