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To: Rowan Collins <rowan.collins@gmail.com>
Cc: PHP Internals <internals@lists.php.net>
Date: Tue, 31 Jan 2017 23:46:41 +0100
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References: <0c5fc86b-5050-fe73-7afa-b3e5a38ad370@gmail.com>
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Subject: Re: [PHP-DEV] [RFC] Deprecate and Remove Bareword (Unquoted) Strings
From: johannes@schlueters.de (Johannes =?ISO-8859-1?Q?Schl=FCter?=)

Hi,

On Sun, 2017-01-29 at 19:33 +0000, Rowan Collins wrote:
> Currently, if the constant FROB_ACTIVE is not defined, the code "echo 
> FROB_ACTIVE;" results in an E_NOTICE and the string 'FROB_ACTIVE'
> being displayed. I would like to propose that this be changed to an
> E_WARNING in PHP 7.2, and to an Error in PHP 8.0.

related: There is another context where unquoted strings are used:

   $a = [ "foo" => "bar" ];
   echo "Let's go and have a drink in a $a[foo]!";

Any thoughts about continuing to allow that?

johannes