Re: Behavior of the sleep function?

Jeffry Killen wrote: > On Mar 10, 2015, at 1:46 PM, Christoph Becker wrote: > >> I just found >> <http://www.tuxradar.com/practicalphp/8/11/0>, where a very >> simplistic example of flock() in combination with sleep() is given. >> >> Please don't forget to "reply to all" next time. > > O.K. I looked at the link and that is essentially what my code is trying > to do: > I.E. obtain a lock, print some text and then call sleep. But the text that > is supposed to be returned before the call to sleep() doesn't show up > until the first query is done, then the second query returns (with, as you > indicated, adding a call to flock in the second query handling code.) > > That is why I presumed that sleep() was using output buffering. Ah, now I understand. Anyhow, sleep() does not use output buffering or has anything to do with it. If formerly printed output is not send to the browser, that is either caused by PHP[1] or by the webserver. You can try to flush()[2] the output before calling sleep(). [1] <http://php.net/manual/en/outcontrol.configuration.php> [2] <http://php.net/manual/en/function.flush.php> -- Christoph M. Becker