Connection to wss:// with failed with php Ratchet

To support,

i am have try using PHP for connectiong to Websocket server binary API.

First i am get repository with command like this :

_**C:>cd AppServ

C:\AppServ>cd www

C:\AppServ\www>mkdir rac

C:\AppServ\www>cd rac

C:\AppServ\www\rac>composer require ratchet/pawl
Using version ^0.3.5 for ratchet/pawl
./composer.json has been created
Loading composer repositories with package information
Updating dependencies (including require-dev)
Package operations: 13 installs, 0 updates, 0 removals
- Installing ralouphie/getallheaders (3.0.3): Loading from cache
- Installing psr/http-message (1.0.1): Loading from cache
- Installing guzzlehttp/psr7 (1.7.0): Downloading (100%)
- Installing ratchet/rfc6455 (v0.3): Downloading (100%)
- Installing evenement/evenement (v3.0.1): Downloading (100%)
- Installing react/event-loop (v1.1.1): Downloading (100%)
- Installing react/stream (v1.1.1): Downloading (100%)
- Installing react/promise (v2.8.0): Downloading (100%)
- Installing react/promise-timer (v1.6.0): Downloading (100%)
- Installing react/cache (v1.1.0): Downloading (100%)
- Installing react/dns (v1.4.0): Downloading (100%)
- Installing react/socket (v1.6.0): Downloading (100%)
- Installing ratchet/pawl (v0.3.5): Downloading (100%)
guzzlehttp/psr7 suggests installing laminas/laminas-httphandlerrunner (Emit PSR-7 responses)
react/event-loop suggests installing ext-event (~1.0 for ExtEventLoop)
react/event-loop suggests installing ext-pcntl (For signal handling support when using the StreamSelectLoop)
react/event-loop suggests installing ext-uv (* for ExtUvLoop)
ratchet/pawl suggests installing reactivex/rxphp (~2.0)
Writing lock file
Generating autoload files
3 packages you are using are looking for funding.
Use the composer fund command to find out more!**_

then i write simple script :

<?php _**require __DIR__ . '/vendor/autoload.php';**_ /* sample work connection to \Ratchet\Client\connect('wss://')->then(function($conn) { $conn->on('message', function($msg) use ($conn) { echo "Received: {$msg}\n"; $conn->close(); }); $conn->send('Hello World!'); }, function ($e) { echo "Could not connect: {$e->getMessage()}\n"; }); */ ---> this code success connect and response _**\Ratchet\Client\connect('wss://')->then(function($conn) { $conn->on('message', function($msg) use ($conn) { echo "Received: {$msg}\n"; $conn->close(); }); $conn->send('{"ping" : 1}'); }, function ($e) { echo "Could not connect: {$e->getMessage()}\n"; });**_ ?>

if i run the code, we have message error DNS not connect like bellow :
C:\AppServ\www\rac>php -e index.php
Could not connect: Connection to failed during DNS lookup: DNS query for failed: too many retries**_

Please help me, whats wrong with my code.




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