Server code (using swoole)
<code>$serv = new swoole_websocket_server("**********", 9502); $serv->on('Open', function($server, $req) { echo "connection open: ".$req->fd; }); $serv->on('Message', function($server, $frame) { echo "message: ".$frame->data; $server->push($frame->fd, json_encode(["hello", "world"])); }); $serv->on('Close', function($server, $fd) { echo "connection close: ".$fd; }); $serv->start(); </code>