WebSocketServer.php:

A modified version of original idea https://github.com/sebcode/php-websocketserver/tree/master/example
Now it's an async WebSocket server

WebSocketServerExample.php

An example of async WebSocket server
Start the server either with xinetd, netcat or tcpserver
For eg: tcpserver 0.0.0.0 8080 /www/WebSocketServerExample.php

WebSocketClient.php

A modified version of original idea https://github.com/paragi/PHP-websocket-client/blob/master/websocket_client.php
Now it's an async WebSocket client

WebSocketClientExample.php

Can be use in endless loop as WebSocket client