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To: "Tim Starling" <tstarling@wikimedia.org>
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	"Nathan Rixham" <nrixham@gmail.com>
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Date: Thu, 21 Jan 2010 05:26:37 +0200
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Subject: Re: [PHP-DEV] Dots and spaces in variable names are converted to underscores.
From: sv_forums@fmethod.com ("Stan Vassilev")

> I'd be happy if it stayed like it is, for backwards compatibility. If
> not, then there needs to be some reasonably straightforward way for an
> app to work out how PHP has messed up its input so that it can put it
> back together (compare get_magic_quotes_gpc()).
>
> In any case, it could be better documented. I see it is documented in
> these places:

Hi,

I look at this feature more as a broken compatibility with HTTP, since 
there's data lost from otherwise valid field names on the way from the 
server to PHP's userland.

Since the bigger feature in question (register_globals) is removed, people 
who use the underscore filter with register_globals have already lost 
backwards compatibility.

For those who want to *emulate* register_globals with extract(), they can 
easily emulate the underscore filter as well (it's 3 lines of code).

Regards,
Stan Vassilev