Re: [PHP-DEV] Tie'ing variables

On Sat, 2003-03-01 at 13:09, Faisal Nasim wrote:
> At 10:26 PM 3/1/2003, Marcus Börger wrote:
> > At 18:11 01.03.2003, 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...
> > 
> > And for a quick start it would be enogh to simply initialize these
> > vars upon
> > first access. If we can do this the rest might be easy -> "devide
> > and conquer"!
> 
> Just had a thought. Wouldn't it be possible for some intermediate
> included script to change the data which is parsed and stored into
> $_GET (and family) upon first request?
> 

err, it already is possible for an included scripting to change the
value of $_GET variables.  I don't see what request order matters,
variables are parsed per-request.

-Sterling


> Faisal
-- 
"Science is like sex: sometimes something useful comes out, 
but that is not the reason we are doing it." 
    - Richard Feynman