Improvement in Chat application

Question

I am developing a chat for my site where a user sends an invitation to the other user, if the same accepted will be open and the system will be checking new messages.

For the system to do this check I use a while, and while no result returns, I take the last id from the memory I received, I create a query to bring results greater than that id provided. After performing a repeat and returning nothing I give a sleep of 1 second in the php not to overload.

I wonder if anyone could build a chat with a different system and how did? Is there any technique that is more performative than the long-time?

Answer 1

This practice you are applying makes the application unusable as it will be holding the php to have a message, allowing a great chance to give timeout.

The best play in this case would be using websockets. Follow an example: http://www.sanwebe.com/2013/05/chat-using-websocket-php-socket