--- /dev/null
+<?php
+
+namespace Drupal\block_test\Form;
+
+use Drupal\Core\Form\FormBase;
+use Drupal\Core\Form\FormStateInterface;
+
+class FavoriteAnimalTestForm extends FormBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getFormId() {
+ return 'block_test_form_favorite_animal_test';
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function buildForm(array $form, FormStateInterface $form_state) {
+ $form['favorite_animal'] = [
+ '#type' => 'textfield',
+ '#title' => $this->t('Your favorite animal.')
+ ];
+
+ $form['submit_animal'] = [
+ '#type' => 'submit',
+ '#value' => $this->t('Submit your chosen animal'),
+ ];
+
+ return $form;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function submitForm(array &$form, FormStateInterface $form_state) {
+ drupal_set_message($this->t('Your favorite animal is: @favorite_animal', ['@favorite_animal' => $form['favorite_animal']['#value']]));
+ }
+
+}