Re: Chat with php

Robert Cummings schrieb: > You can have your script enter a loop to check for data in a database. > If data output it then calls the flush() function to output to the browser. > Then sleep for some time, then wakeup and repeat. You may have issues > with some browsers using this technique, but generally it does work. > The key is that you never close the connection to the browser. You'll > also want to occasionally output some invisible content, otherwise the > connection_status() stuff never give the right value (at least not in > 4.1.2) It struck me that these functions update their flags on output > only. Which means you need to output something to the browser to detect > that the user has hit stop, or has disconnected. > > Cheers, > Rob. > Thanks for the answer, but that was a little bit too complicated for me. I know more about javascript. How do I do such a loop? Something similar like set_interval in javascript? What invisible content do I have to output? And what do I have to output to the browser to detect if the user's still active? Olli