public function DemoBase::submitForm in Examples for Developers 3.x
Same name and namespace in other branches
- 8 form_api_example/src/Form/DemoBase.php \Drupal\form_api_example\Form\DemoBase::submitForm()
Implements a form submit handler.
Parameters
array $form: The render array of the currently built form.
\Drupal\Core\Form\FormStateInterface $form_state: Object describing the current state of the form.
Overrides FormInterface::submitForm
2 methods override DemoBase::submitForm()
- AjaxAddMore::submitForm in modules/
form_api_example/ src/ Form/ AjaxAddMore.php - Final submit handler.
- StateDemo::submitForm in modules/
form_api_example/ src/ Form/ StateDemo.php - Implements submitForm callback.
File
- modules/
form_api_example/ src/ Form/ DemoBase.php, line 27
Class
- DemoBase
- Implements common submit handler used in form_api_example demo forms.
Namespace
Drupal\form_api_example\FormCode
public function submitForm(array &$form, FormStateInterface $form_state) {
// Find out what was submitted.
$values = $form_state
->getValues();
foreach ($values as $key => $value) {
$label = isset($form[$key]['#title']) ? $form[$key]['#title'] : $key;
// Many arrays return 0 for unselected values so lets filter that out.
if (is_array($value)) {
$value = array_filter($value);
}
// Only display for controls that have titles and values.
if ($value) {
$display_value = is_array($value) ? print_r($value, 1) : $value;
$message = $this
->t('Value for %title: %value', [
'%title' => $label,
'%value' => $display_value,
]);
$this
->messenger()
->addMessage($message);
}
}
}