something wrong

[samplecms]

Fatal error: Uncaught exception 'InvalidArgumentException' with message 'First parameter must be a valid stream resource' in /Library/WebServer/Documents/www/comm/weixin/vendor/react/stream/src/Stream.php:40 Stack trace: #0 /Library/WebServer/Documents/www/comm/weixin/modules/chart/home.php(14): React\Stream\Stream->__construct('STDOUT', Object(React\EventLoop\StreamSelectLoop)) #1 [internal function]: modules\chart\home->index() #2 /Library/WebServer/Documents/www/comm/weixin/core/router.php(414): call_user_func_array(Array, Array) #3 /Library/WebServer/Documents/www/comm/weixin/core/router.php(391): router->load_route('modules\chart\h...', 'index', Array) #4 /Library/WebServer/Documents/www/comm/weixin/core/router.php(315): router->exec() #5 /Library/WebServer/Documents/www/comm/weixin/public/index.php(50): router::run() #6 {main} thrown

code id here

namespace modules\chart; use React\EventLoop\Factory; use React\Socket\Server; use React\Stream\Stream; class home{

public function index(){
	
	$loop = Factory::create();

	$client = stream_socket_client('tcp://127.0.0.1:1337');
	$conn = new  Stream($client, $loop);
	$conn->pipe(new Stream(STDOUT, $loop));
	$conn->write("Hello World!\n");

	$loop->run();


}
public function background(){
	$loop = Factory::create();

	$socket = new Server($loop);
	$socket->on('connection', function ($conn) {
	    $conn->write("Hello there!\n");
	    $conn->write("Welcome to this amazing server!\n");
	    $conn->write("Here's a tip: don't say anything.\n");

	    $conn->on('data', function ($data) use ($conn) {
	        $conn->close();
	    });
	});
	$socket->listen(1337);

	$loop->run();


}

}


[clue]

I can only assume your error log is either incomplete (error_reporting=-1 ?) or does not match with the code you've provided? Either way, the error is from the stream component and has little to do with this socket server.

new Stream(STDOUT, $loop);

I hope this helps 👍