Re: [PHP-DEV] Tie'ing variables

On Sat, 2003-03-01 at 12:11, Derick Rethans wrote:
> On Sat, 1 Mar 2003, Sterling Hughes wrote:
> 
> > Analyzing PHP's routines a bit, it seems that the slowest part of a
> > "generic" request is populating the special arrays, $_ENV, $_GET, etc.
> > 
> > I was wondering if it might be possible to "tie" these arrays to a
> > function (if you don't understand that, look at Perl for a definition). 
> > One could populate them as an overloaded object, and then array accesses
> > would work - I guess.  But I would prefer a cleaner mechanism.
> 
> Why not just populate them when you need them? IE, if you access 
> $_GET['foo'] it processes the GET data until it has processed upto foo 
> in the data itself(and of course it adds the other ones that are 
> before 'foo' in the GET data to the array too). With this you never 
> process more data then you really need...
> 

Err, that's exactly what I said. :)  That's what tieing a variable is,
it controls access to variables via a function.  An internal
implementation would probably look something like that (on the cgi sapi
at least, on the apache sapi it wouldn't).

-Sterling

> Derick
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