hphp/hack/test/typecheck/storoman2.php

   1 <?hh
   2 /**
   3  * Copyright (c) 2014, Facebook, Inc.
   4  * All rights reserved.
   5  *
   6  * This source code is licensed under the BSD-style license found in the
   7  * LICENSE file in the "hack" directory of this source tree. An additional grant
   8  * of patent rights can be found in the PATENTS file in the same directory.
   9  *
  10  */
  11
  12 class WebHelp2Controller {
  13   public static function empty(): ?WebHelp2Controller {
  14     return null;
  15   }
  16   public function foo(): void {}
  17 }
  18 class WebHelp2HubController extends WebHelp2Controller {}
  19 class WebHelp2PageController extends WebHelp2Controller {}
  20 class WebHelp2FrequentQuestionController extends WebHelp2Controller {}
  21
  22
  23 function test(string $huri, bool $cmsid): WebHelp2Controller {
  24   $controller = null;
  25
  26   switch ($huri) {
  27   case 'hub':
  28     $controller = new WebHelp2HubController();
  29     break;
  30   case 'page':
  31     $controller = new WebHelp2PageController();
  32     break;
  33   case 'faq':
  34     $controller = new WebHelp2FrequentQuestionController();
  35     break;
  36   default:
  37     throw new Exception('You shouldn\'t be here');
  38   }
  39   $controller->foo();
  40   return $controller;
  41 }