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

<?php

namespace SilverStripe\Control\Tests\RequestHandlingTest;

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

/**
 * Controller for the test
 */
class AllowedController extends Controller implements TestOnly
{
	private static $url_handlers = array(
		// The double-slash is need here to ensure that
		'$Action//$ID/$OtherID' => "handleAction",
	);

	private static $allowed_actions = array(
		'failoverMethod', // part of the failover object
		'blockMethod' => '->provideAccess(false)',
		'allowMethod' => '->provideAccess',
	);

	private static $extensions = array(
		ControllerExtension::class,
		AllowedControllerExtension::class,
	);

	public function __construct()
	{
		$this->failover = new ControllerFailover();
		parent::__construct();
	}

	public function index($request)
	{
		return "This is the controller";
	}

	function provideAccess($access = true)
	{
		return $access;
	}

	function blockMethod($request)
	{
		return 'blockMethod';
	}

	function allowMethod($request)
	{
		return 'allowMethod';
	}
}