As it turns out curl_multi does not block.  I was able to use that plus
connection tracking to solve my problem.

Thanks Ash and Andrew.


> On Thu, Jun 17, 2010 at 9:05 AM, Michael Alaimo <>
> wrote:
>> I am trying to use register_shutdown_function.  Previous to the script
>> shutting down I use curl to grab a website.
>> Basically I want to know if the user has hit the stop button or left the
>> page prematurely.
>> The only problem is that curl runs and finishes its call before the
>> shutdown function is called.  Because of this I  have no way to know
>> if
>> the user canceled the request somehow.  Any suggestions?
>> Mike
> I don't know that it will affect cURL, but if you are just looking to
> log completed versus abandoned requests, this might help:
> Andrew

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