1 Most of my readers are expecting a better chatting system from 9lessons, I have been working with different technologies like Node, Socket.io and etc.
2 var user=' <?php echo $user_sessions; ?> ';
3 Finally I found Redis, it is an open source advanced key-value database storage system, works like NoSQL database.
트위터 반응

@jaehyun: Redis로 간단한 웹채팅 만들기 - Getting Started with Redis, Chatting Application http://t.co/Ebrip5Lt6A