No, really, it isn't.

When you run such a script, PHP handles it, it does not care what web server you run, this is irrelevant.
JmZ Reviewed by JmZ on . ob_flush On Nginx Server? RapidLeech help I am search for the solution for using ob_flush on nginx server. This is nginx + fastcgi. I have changed php.ini: output_buffering = Off nginx.conf: gzip off; I also tested with with it: <?php set_time_limit(0); Rating: 5