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Posted by Martin on 01/25/08 16:25
I have a series of php scripts that provide the user interface to an
industrial automation program.
One of the scripts serves out a page which displays some data, some
of which is constantly changing. On that page, I have some AJAX code
running that frequently requests fresh data and displays it
(frequently means about once a second).
When the php script that services the AJAX requests receives one, it
passes a request of its own over to the main process (via a socket)
which responds with some data which the script then sends out to the
browser page.
This all works fine but I'm concerned about the load this exchange of
data places in the main process.
What I'm wondering is: would it be possible that I could have my main
process send its data (in real time) to "something" in the php system
such that the php script could access this data much like it accesses
its own global variables? IOW, the script would have immediate access
to the values instead of having to request them from the main process.
Please understand that all of this activity is running on one computer
and this is all confined to an inTRAnet (there's no internet access
involved). And, this one computer is entirely under my control. I am
free to do what ever needs to be done with regards to php
configuration, security settings, etc.
Any recommendations?
Thanks.
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