Fatal error: Uncaught Error: Class 'WP_REST_Controller' not found in D:\www\wordpress - 安裝環境+外掛測試\02.外掛程式\常用外掛\code-snippets\php\rest-api\class-snippets-rest-controller.php:27 Stack trace: #0 {main} thrown in D:\www\wordpress - 安裝環境+外掛測試\02.外掛程式\常用外掛\code-snippets\php\rest-api\class-snippets-rest-controller.php on line 27