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Date: Fri, 28 Jul 2017 23:47:46 -0700
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Subject: Re: [PHP-DEV] Changes to SuperGlobals for PHP 8 (was: something about
 session_start...)
From: thruska@cubiclesoft.com (Thomas Hruska)

On Fri, Jul 28, 2017 at 11:03 AM, lists@rhsoft.net <lists@rhsoft.net> wrote:
> make POST/GET/SERVER readonly - only when you refactor a 250000 line code
> base as well as deplyed code which relies on the framework did the right
> thing with them previously :-)

Are you advocating for read-only or leaving them read-write?  I can't tell.


Every language feature in every language can be abused.  Having 
sufficient documentation helps avoid unwanted abuse.

As a brief demonstration of how that plays out, a quick search on the 
website turned up:

http://us3.php.net/manual/en/reserved.variables.request.php

There isn't an example usage pattern there nor any 
restrictions/recommendations on use and the top comment has 97 upvotes. 
The first thing that person's code does is freely set new values in 
multiple superglobals without sufficient explanation that doing so is a 
bad idea.  Therefore, drive-by PHP users can derive that it must be okay 
to store general-purpose information into a superglobal.  "This must be 
the right way to do things since it has over 10 times as many upvotes as 
the next comment on the page."


While I'm for read-write superglobals, I will, of course, live with 
whatever is decided upon and adapt accordingly.  Making some 
documentation adjustments seems like a simpler thing to do than a BC break.

-- 
Thomas Hruska
CubicleSoft President

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