function NodeTypeForm::validateForm

Overrides FormBase::validateForm

File

core/modules/node/src/NodeTypeForm.php, line 194

Class

NodeTypeForm

Form handler for node type forms.

Namespace

Code

public function validateForm(array &$form, FormStateInterface $form_state) {
    parent::validateForm($form, $form_state);
    $id = trim($form_state->getValue('type'));
    // '0' is invalid, since elsewhere we check it using empty().
    if ($id == '0') {
        $form_state->setErrorByName('type', $this->t("Invalid machine-readable name. Enter a name other than %invalid.", [
            '%invalid' => $id,
        ]));
    }
}