silverstripe-framework/tests/php/Control/RequestHandlingTest/FormActionController.php

<?php

namespace SilverStripe\Control\Tests\RequestHandlingTest;

use SilverStripe\Control\Controller;
use SilverStripe\Dev\TestOnly;
use SilverStripe\Forms\FieldList;
use SilverStripe\Forms\Form;
use SilverStripe\Forms\FormAction;
use SilverStripe\Forms\TextField;
use SilverStripe\View\SSViewer;

class FormActionController extends Controller implements TestOnly
{
	protected $template = 'BlankPage';

	private static $allowed_actions = array(
		'controlleraction',
		'Form',
		'formactionInAllowedActions'
		//'formaction', // left out, implicitly allowed through form action
	);

	public function controlleraction($request)
	{
		return 'controlleraction';
	}

	public function disallowedcontrollermethod()
	{
		return 'disallowedcontrollermethod';
	}

	/** @skipUpgrade */
	public function Form()
	{
		return new Form(
			$this,
			"Form",
			new FieldList(
				new TextField("MyField")
			),
			new FieldList(
				new FormAction("formaction"),
				new FormAction('formactionInAllowedActions')
			)
		);
	}

	/**
	 * @param array $data
	 * @param Form $form Made optional to simulate error behaviour in "live" environment
	 *  (missing arguments don't throw a fatal error there)
	 * @return string
	 */
	public function formaction($data, $form = null)
	{
		return 'formaction';
	}

	public function formactionInAllowedActions($data, $form = null)
	{
		return 'formactionInAllowedActions';
	}

	public function getViewer($action = null)
	{
		return new SSViewer('BlankPage');
	}

}