initiating a GET request and immediately continue w/ action

I have an external image processing server and I would like
to get that
action going inline with an action on my current server.

How do I initiate a GET request and not care for the
response, so that
it doesnt halt my action. I understand its flaky in that I
don't know if
the action completed successfully, but speed is very
important here, and
they have to be inline.


I know I could venture into threading, but I've heard bad
things about
that boat. Maybe there is something along the lines of
calling a `curl
(url)` where curl doesnt care about the response or it gets
threaded
out?

Anyone have suggestions?
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