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Cc: Marc Bennewitz <php@mabe.berlin>, Sara Golemon <pollita@php.net>,
 PHP internals <internals@lists.php.net>
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Date: Mon, 18 Aug 2014 23:09:02 +0800
To: =?GB2312?Q?Johannes_Schl=A8=B9ter?= <johannes@schlueters.de>
Subject: Re: [PHP-DEV] [RFC] Binary String Comparison
From: tjerk.meesters@gmail.com (Tjerk Meesters)


> On 18 Aug, 2014, at 10:47 pm, Johannes Schl=A8=B9ter <johannes@schlueters.=
de> wrote:
>=20
>> On Mon, 2014-08-18 at 14:44 +0200, Marc Bennewitz wrote:
>> The question isn't "What's wrong with =3D=3D=3D, strcmp()?" but "What's w=
rong=20
>> with =3D=3D, <, >?".
>>=20
>> We have a standard way to compare two operands but currently we do some=20=

>> magic things to solve something that don't need to be solved.
>=20
> Still it is a key property of the language which we can't simply change.
> Also mind this: All input data are strings and some databases also
> return data as string. So code like
>=20
>   if ($_GET['id'] > 0)
> or
>   if ($db->fetchRow()[0] =3D=3D 12)
>=20
> which is common will break.

Those two cases will actually not be affected, it's strictly string<=3D>stri=
ng comparisons that's being discussed here.=20

> Maybe using different sets of operators
> would have been better, but that should have happened 20 years ago not
> now.
>=20
> Also mind consistency: If you change this you probably also have to
> change other places where implicit conversion happens, i.e. array keys.=20=

>=20
> In the end you get a complete new incompatible language and can throw
> away most libraries and so on.=20
>=20
> So in case you have a Tardis, DeLorean with Flux Capacitor or any other
> time machine I'm happy to support you in the past, but not this late.
>=20
> johannes
>=20
>=20
> --=20
> PHP Internals - PHP Runtime Development Mailing List
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>=20