function AjaxTestForm::helloWorld
Same name in other branches
- 11.x core/modules/system/tests/modules/ajax_test/src/Form/AjaxTestForm.php \Drupal\ajax_test\Form\AjaxTestForm::helloWorld()
An AJAX callback that prints "Hello World!" as a message.
Parameters
array $form: The form array to remove elements from.
\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.
Return value
\Drupal\Core\Ajax\AjaxResponse An AJAX response.
File
-
core/
modules/ system/ tests/ modules/ ajax_test/ src/ Form/ AjaxTestForm.php, line 76
Class
- AjaxTestForm
- Dummy form for testing DialogRenderer with _form routes.
Namespace
Drupal\ajax_test\FormCode
public function helloWorld(array &$form, FormStateInterface $form_state) {
$response = new AjaxResponse();
$response->addCommand(new MessageCommand('Hello world!'));
return $response;
}
Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.