function FormTestProgrammaticForm::validateForm

Overrides FormBase::validateForm

File

core/modules/system/tests/modules/form_test/src/Form/FormTestProgrammaticForm.php, line 91

Class

FormTestProgrammaticForm

Form builder to test programmatic form submissions.

Namespace

Code

public function validateForm(array &$form, FormStateInterface $form_state) {
  if ($form_state->isValueEmpty('textfield')) {
    $form_state->setErrorByName('textfield', $this->t('Textfield is required.'));
  }
}