--- /dev/null
+<?php
+
+namespace Drupal\form_test\Form;
+
+use Drupal\Core\Form\FormStateInterface;
+
+class FormTestTableSelectMultipleTrueForm extends FormTestTableSelectFormBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getFormId() {
+ return '_form_test_tableselect_multiple_true_form';
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function buildForm(array $form, FormStateInterface $form_state) {
+ return $this->tableselectFormBuilder($form, $form_state, ['#multiple' => TRUE]);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function submitForm(array &$form, FormStateInterface $form_state) {
+ $selected = $form_state->getValue('tableselect');
+ foreach ($selected as $key => $value) {
+ drupal_set_message(t('Submitted: @key = @value', ['@key' => $key, '@value' => $value]));
+ }
+ }
+
+}