function SessionExampleForm::submitForm

File

modules/session_example/src/Form/SessionExampleForm.php, line 149

Class

SessionExampleForm

Form to allow the user to store information in their session.

Namespace

Code

public function submitForm(array &$form, FormStateInterface $form_state) {
  // We get the submitted form information and store it in the session. We use
  // key names which include our module name in order to avoid namespace
  // collision.
  $this->setSessionValue('session_example.name', $form_state->getValue('name'));
  $this->setSessionValue('session_example.email', $form_state->getValue('email'));
  $this->setSessionValue('session_example.quest', $form_state->getValue('quest'));
  $this->setSessionValue('session_example.color', $form_state->getValue('color'));
  // Tell the user what happened here, and that they can look at another page
  // to see the result.
  $this->messenger()
    ->addMessage($this->t('The session has been saved successfully. @link', [
    '@link' => Link::createFromRoute('Check here.', 'session_example.view')->toString(),
  ]));
  // Since we might have changed the session information, we will invalidate
  // the cache tag for this session.
  $this->invalidateCacheTag();
}