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[jsp123]

http://www.unsoughtinput.com/index.php/2006/11/01/weird-errors-fix-timeout-issues-in-curl-php-and-apache/

I never knew about the flush() function in php, also I never set the timeouts for curl which is definitely going to be helpful for scraping overture or using proxies. 

[perkiset]

Flush is powerful, and can be used to great GUI effect if what you "flush" is a little bit of javascript that updates a DIV on your page. For example:

<script>document.getElementById('status').innerHTML='Done with step 1';</script>

... everytime you hit a milestone in your code, you can send this on a long procedure. There is a little problem though in that some browsers will not start to render until a certain amount of answer comes back from the server - I've heard that 1024 bytes is a good marker... if you find that you are getting troubles with seeing your flushed data, then send 1K of comments (either HTML or js, I don't think it matters) and see if you get a different result.

@ timeouts - race conditions and timeouts are the frigging bane of my existence at times. Totally understand.

/p