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Posted by Rasmus Lerdorf on 01/18/05 20:20
M Saleh EG wrote:
> What I mean by Application-Scope variables is variables that can be
> available for the Application or Web-Application all the time after
> starting the application by a trigger. After having the triger fired
> those Application-Scope Variables, Datastructures, Object, and
> refrences would be available for all the requests. That's how I'd
> equate persistant PHP-Applications to having Application-Scope PHP
> variables.
>
> A lame Example to illustrate the purpose of Application-Scope
> variables would be the persistant DB connections. Not 100% the same
> but it's for the same purpose
>
> So if you could have a huge object persistant( Application-Scope
> object ) that does alot of work for you then that object is a PHP
> persistant application which I call Application-Scope var or object !
>
> Hope that clears it out.
For single-server multi-threaded architectures this is trivial to do,
but it doesn't scale to the multi-server multi-process architecture PHP
uses.
-Rasmus
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