On Mon, 20 Jun 2011, Robert Eisele 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:
> 
> $str = "Hallo";
> 
> $str[0] == "H"
> $str[-1] == "o";
> 
> If -6 is used as offset, the old warning is displayed because it's the first
> undefined negative offset.
> 
> The same thing for setting:
> 
> $str[-1] = '0';
> $str[-4] = "4";
> 
> will result in "H4ll0"
> 
> Would be glad to see this in 5.4

Sounds like a good addition to me! For ArrayAccess, would this calculate 
the "correct" index so that current implementations of ArrayAccess don't 
have to be changed?

cheers,
Derick

-- 
http://derickrethans.nl | http://xdebug.org
Like Xdebug? Consider a donation: http://xdebug.org/donate.php
twitter: @derickr and @xdebug

-- 
PHP Internals - PHP Runtime Development Mailing List
To unsubscribe, visit: http://www.php.net/unsub.php

Reply via email to