--- /dev/null
+<?php
+
+namespace Drupal\form_test\Form;
+
+use Drupal\Core\Form\FormBase;
+use Drupal\Core\Form\FormStateInterface;
+use Symfony\Component\HttpFoundation\JsonResponse;
+
+/**
+ * Form constructor to test #default_value settings of radios.
+ */
+class FormTestRadiosCheckedForm extends FormBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getFormId() {
+ return 'form_test_radios_checked';
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function buildForm(array $form, FormStateInterface $form_state) {
+ $form['radios'] = [
+ '#type' => 'radios',
+ '#title' => 'Radios',
+ '#options' => [
+ 0 => 'Zero',
+ 'foo' => 'Foo',
+ 1 => 'One',
+ 'bar' => '<em>Bar - radios</em>',
+ '>' => "<em>Special Char</em><script>alert('radios');</script>",
+ ],
+ '#default_value' => 0,
+ ];
+ $form['radios-string'] = [
+ '#type' => 'radios',
+ '#title' => 'Radios',
+ '#options' => [
+ 0 => 'Zero',
+ 'foo' => 'Foo',
+ 1 => 'One',
+ 'bar' => '<em>Bar - radios</em>',
+ '>' => "<em>Special Char</em><script>alert('radios');</script>",
+ ],
+ '#default_value' => 'bar',
+ ];
+ $form['radios-boolean-true'] = [
+ '#type' => 'radios',
+ '#title' => 'Radios',
+ '#options' => [
+ 'All' => '- Any -',
+ 1 => 'True',
+ 0 => 'False',
+ ],
+ '#default_value' => TRUE,
+ ];
+ $form['radios-boolean-false'] = [
+ '#type' => 'radios',
+ '#title' => 'Radios',
+ '#options' => [
+ 'All' => '- Any -',
+ 1 => 'True',
+ 0 => 'False',
+ ],
+ '#default_value' => FALSE,
+ ];
+ $form['radios-boolean-any'] = [
+ '#type' => 'radios',
+ '#title' => 'Radios',
+ '#options' => [
+ 'All' => '- Any -',
+ 1 => 'True',
+ 0 => 'False',
+ ],
+ '#default_value' => 'All',
+ ];
+ $form['radios-string-zero'] = [
+ '#type' => 'radios',
+ '#title' => 'Radios',
+ '#options' => [
+ 'All' => '- Any -',
+ '0' => 'Zero',
+ 100 => 'One hundred',
+ ],
+ '#default_value' => 0,
+ ];
+ $form['radios-int-non-zero'] = [
+ '#type' => 'radios',
+ '#title' => 'Radios',
+ '#options' => [
+ 'All' => '- Any -',
+ 0 => 'Zero',
+ 10 => 'Ten',
+ 100 => 'One hundred',
+ ],
+ '#default_value' => 10,
+ ];
+ $form['radios-int-non-zero-as-string'] = [
+ '#type' => 'radios',
+ '#title' => 'Radios',
+ '#options' => [
+ 'All' => '- Any -',
+ '0' => 'Zero',
+ '10' => 'Ten',
+ '100' => 'One hundred',
+ ],
+ '#default_value' => '100',
+ ];
+ $form['radios-empty-string'] = [
+ '#type' => 'radios',
+ '#title' => 'Radios',
+ '#options' => [
+ 'All' => '- Any -',
+ 0 => 'None',
+ ],
+ '#default_value' => '',
+ ];
+ $form['radios-empty-array'] = [
+ '#type' => 'radios',
+ '#title' => 'Radios',
+ '#options' => [
+ 'All' => '- Any -',
+ 0 => 'None',
+ ],
+ '#default_value' => [],
+ ];
+ $form['radios-key-FALSE'] = [
+ '#type' => 'radios',
+ '#title' => 'Radios',
+ '#options' => [
+ 'All' => '- Any -',
+ FALSE => 'False',
+ ],
+ '#default_value' => '',
+ ];
+
+ $form['submit'] = ['#type' => 'submit', '#value' => 'Submit'];
+
+ return $form;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function submitForm(array &$form, FormStateInterface $form_state) {
+ $form_state->setResponse(new JsonResponse($form_state->getValues()));
+ }
+
+}