Re: [RFC] Deprecate and Remove Bareword (Unquoted) Strings

On 31.01.2017 at 23:49, Johannes Schlüter wrote: > On Tue, 2017-01-31 at 23:46 +0100, Johannes Schlüter wrote: > >> 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]!"; This is explicitly mentioned in the RFC's "Unaffected PHP Functionality" section[1]. The RFC suggest to keep this shortcut. > Oh and there's another case: > > foo.php?a[foo]=bar > >> Any thoughts about continuing to allow that? > > I'm not saying we have to change those. But I believe the symmetry there > is part of the historic reason. Okay, but in neither case you've mentioned there are any potential pitfalls, i.e. foo can't be mistaken for a constant there, because the engine expects an unquoted string. [1] <https://wiki.php.net/rfc/deprecate-bareword-strings#unaffected_php_functionality> -- Christoph M. Becker