Re: [PHP-DEV] argv/argc From: Zeev Suraski (zeev <email protected>)
Date: 01/29/00

On Sat, 29 Jan 2000 rasmus <email protected> wrote:

> > > On Fri, 28 Jan 2000, Zeev Suraski wrote:
> > > > It would in this specific case, but I think that if people expect
> > > > argv/argc, they expect them to exist and be empty in case of an empty
> > > > query.
> > > >
> > > > Any reason not to selectively turn argv/argc off by an INI directive?
> > >
> > > What about cgi version where argv/argc are supposed to come from the
> > > command line arguments?
> >
> > It's never been like that. $argc/$argv always reflected the contents of
> > the QUERY_STRING.
>
> I am not sure I understand that statement. Obviously $argc and $argv are
> set based on the command line args in the cgi version. Using PHP 3, look:
>
> #!./php -q
> <?
> echo $argv[1];
> ?>
>
> $ ./t abc
> abc
>
> Works the same for PHP 4, so what do you mean it *always* reflects the
> contents of the QUERY_STRING? I have no QUERY_STRING env variable set in
> this case.

I didn't dig deep enough - the CGI SAPI module 'fools' SAPI to think that
the command line arguments are actually the query string. So you would
indeed get this behavior.

> As for why we need the http://www.php.net/?blah URL. It is very handy to
> be able to access "blah" directly via $argv[0]. Just having it set in the
> symbol table to an empty value and needing to look through $GLOBALS or
> $HTTP_GET_VARS is a hassle. This has worked since PHP 2, so changing this
> default is going to break some sites, including one of mine. I don't mind
> an ini option to turn it off to increase performance, but we can't just
> drop this feature.

I didn't want to change the default and certainly not drop the feature. I
just wasn't sure why it was commonly necessary (and I still think that
most scripts don't use it). Basically what I'm saying is that if we were
designing version 1.0 of PHP, this would have probably not been in by
default. But since we're up to 4.0, we can only add a user selectable
option, which isn't that bad.

Zeev 

-- 
Zeev Suraski <zeev <email protected>>
http://www.zend.com/

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