Add additional fields to zfcuser registation form

zfcuser add fields

public function onBootstrap(MvcEvent $e)
    {
  	$events = $e->getApplication()->getEventManager()->getSharedManager();
		$events->attach('ZfcUser\Form\Register', 'init', function($e) {
			$form = $e->getTarget();
			$form->add(array(
				'type' => 'Zend\Form\Element\Select',
				'name' => 'role',
				'options' => array (
					'label' => 'Select Role',
					'value_options' => array (
						'User' => 'User',
						'Admin' => 'Admin',
						'Hal9000' => 'Hal9000',
					),
				)
			));
	
		});
		
		$events->attach('ZfcUser\Form\RegisterFilter', 'init', function($e) {
			$filter = $e->getTarget();
			// Do what's needed with the filter instance ($filter);
		});
		
		$this->sm = $e->getApplication()->getServiceManager();
		$zfcServiceEvents = $this->sm->get('zfcuser_user_service')->getEventManager();
		
		$zfcServiceEvents->attach('register', function($e) {
			$form = $e->getParam('form');
			$this->role = $form->get('role')->getValue();
		});
		
		$zfcServiceEvents->attach('register.post', function($e) {
			$user = $e->getParam('user');
			$sql = "update user set role = '$this->role' where user_id = ".$user->getId();
			$adapter = $this->sm->get('Zend\Db\Adapter\Adapter');
        	$adapter->query($sql, Adapter::QUERY_MODE_EXECUTE);
		});
		
    }