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To: Yasuo Ohgaki <yohgaki@ohgaki.net>
CC: RQuadling@gmail.com, 
 Daniel Convissor <danielc@analysisandsolutions.com>,
 PHP Internals List <internals@lists.php.net>
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Subject: Re: [PHP-DEV] 5.4 regression: non-existent sub-sub keys now have
 values
From: rasmus@lerdorf.com (Rasmus Lerdorf)

On 11/24/2011 01:44 PM, Yasuo Ohgaki wrote:
> Hi all,
> 
> I should think twice before seding mail. "abc" as array index is
> converted to 0 since it's not a integer. So with current code is
> behave consistently with regards to string to long conversion.
> 
> However,
> 
> PHP 5.3
> php -r '$s = "abc"; var_dump($s[0]["bar"]);'
> PHP Fatal error:  Cannot use string offset as an array in Command line
> code on line 1
> 
> PHP 5.4
> ./php -r '$s = "abc"; var_dump($s[0]["bar"]);'
> string(1) "a"
> 
> Isn't it better to raise notice for accessing string by string index?
> There is no use to allowing string index access to strings. I think
> raising notice is feasible. Isn't it?

String index access is still required since they are often numeric
strings. We could add a notice for non-numeric strings, but the check
would slow things down a bit.

-Rasmus