<?php include '../include.php'; $methods = array('demo.sayHello' => function ($request) { $request->result('Hello World!'); }, 'demo.substract' => function ($request) { if (!is_array($request->params)) { return $request->error(-32602); } return $request->result(intval($request->params[0]) - intval($request->params[1])); }); Tivoka::createServer($methods);