silverstripe-framework/tests/php/Control/DirectorTest/TestController.php

<?php

namespace SilverStripe\Control\Tests\DirectorTest;

use SilverStripe\Control\Controller;
use SilverStripe\Dev\TestOnly;

class TestController extends Controller implements TestOnly
{

	private static $allowed_actions = array(
		'returnGetValue',
		'returnPostValue',
		'returnRequestValue',
		'returnCookieValue',
	);

	public function returnGetValue($request)
	{
		return $_GET['somekey'];
	}

	public function returnPostValue($request)
	{
		return $_POST['somekey'];
	}

	public function returnRequestValue($request)
	{
		return $_REQUEST['somekey'];
	}

	public function returnCookieValue($request)
	{
		return $_COOKIE['somekey'];
	}

}