public function ModulesUninstallForm::validateForm in Drupal 9

Same name and namespace in other branches

1. 8 core/modules/system/src/Form/ModulesUninstallForm.php \Drupal\system\Form\ModulesUninstallForm::validateForm()

Form validation handler.

Parameters

array $form: An associative array containing the structure of the form.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

Overrides FormBase::validateForm

File

core/modules/system/src/Form/ModulesUninstallForm.php, line 192

Class

ModulesUninstallForm

Provides a form for uninstalling modules.

Namespace

Drupal\system\Form

Code

public function validateForm(array &$form, FormStateInterface $form_state) {

  // Form submitted, but no modules selected.
  if (!array_filter($form_state
    ->getValue('uninstall'))) {
    $form_state
      ->setErrorByName('', $this
      ->t('No modules selected.'));
    $form_state
      ->setRedirect('system.modules_uninstall');
  }
}