namespace, '/' . $this->base, [ [ 'methods' => WP_REST_Server::EDITABLE, 'callback' => [$this, 'post_update_settings'], 'permission_callback' => function () { return current_user_can('acadlix_update_setting'); }, ], ] ); } public function post_update_settings($request) { $res = []; $params = $request->get_json_params(); if (is_array($params)) { acadlix()->helper()->acadlix_update_option('acadlix_theme_settings', $params); } $res['message'] = __('Theme updated successfully', 'acadlix'); return rest_ensure_response($res); } }