/**
* {@inheritdoc}
*/
public function submitForm(array &$form, FormStateInterface $form_state)
{
$values = $form_state->getValues();
foreach ($values['existing_members'] as $pid) {
// Save the submitted entry.
$return = EAGroupingMembersStorage::insert(array('pid' => $pid, 'gid' => $values['gid']));
}
drupal_set_message(t('Added members'));
}
