But, Robert, doesn't this technique leave a connection open on the server--and, won't it cause the server to run out of resources after a very finite number of connections has been established?
Marco On Mon, 2002-10-07 at 14:07, Robert Cummings wrote: > 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. > > Oliver Witt wrote: > > > > I attempted to write a oage that you can chat on with php. It ended up > > being a page that reloads itself all the time which isn't really what I > > wanted. But I didn't know how to do it differently. Is there another > > way? I heard something about flush()? > > Kind regards, > > -- > .-----------------. > | Robert Cummings | > :-----------------`----------------------------. > | Webdeployer - Chief PHP and Java Programmer | > :----------------------------------------------: > | Mail : mailto:[EMAIL PROTECTED] | > | Phone : (613) 731-4046 x.109 | > :----------------------------------------------: > | Website : http://www.webmotion.com | > | Fax : (613) 260-9545 | > `----------------------------------------------' > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
