public function MiniDonationForm::validateForm in Commerce Donate 8

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

src/Form/MiniDonationForm.php, line 119

Class

MiniDonationForm

Provides the donation form.

Namespace

Drupal\commerce_donate\Form

Code

public function validateForm(array &$form, FormStateInterface $form_state) {
  $amount = $form_state
    ->getValue('amount')[0];
  if (!is_numeric($amount)) {
    $form_state
      ->setError($form['amount'], t('The amount must be a valid number.'));
  }
}