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To: Etienne Kneuss <colder@php.net>
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Date: Mon, 20 Jun 2011 17:36:48 +0200
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Subject: Re: [PHP-DEV] Negative string offsets
From: johannes@schlueters.de (Johannes =?ISO-8859-1?Q?Schl=FCter?=)

On Mon, 2011-06-20 at 16:31 +0200, Etienne Kneuss wrote:
> >> Negative string offsets is a wish and also an implementation of my running
> >> PHP version for long. It operates in the same fashion like substr() with
> >> negative offsets, but avoids the function call and is much smarter if one
> >> single character has to be extracted:

> Do you mean ArrayObject? ArrayAccess is the interface.
> Regardless, I don't believe it makes sense to change the semantics of
> those indexes for arrays, since arrays can define negative indexes.
> i.e. $a = array(-1 => "foo", 2 => "bar"); $a[-1] should really be
> "foo", and not "bar".

This clearly shows the inconsistency this brings. Maybe $var{$offset}
should be clearly deprecated for arrays and $var[$offset] for strings as
in PHP they work differently.

johannes