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Date: Wed, 24 Sep 2014 07:57:47 +0200
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To: Stas Malyshev <smalyshev@sugarcrm.com>, 
 Florian Margaine <florian@margaine.com>
CC: PHP Internals <internals@lists.php.net>
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Subject: Re: [PHP-DEV] Invokation on __toString() for object used as array
 key
From: mike@php.net (Michael Wallner)

On 24/09/14 02:08, Stas Malyshev wrote:
> Hi!
> 
>> I do believe that the UString class would benefit from such a change.
>>
>> Why would it be confusing to implement this?
> 
> For some objects, it may lead to rather strange results - i.e.,
> Exception has __toString() but probably not very useful one for use as
> an array key. So may some other __toString methods. But in general, if
> we streamline the conversion rules and set expectations, I don't see why
> PHP engine can not check for object's convertor to string and even to
> int if string one is not there. Yes, that would hide some errors but
> also will enable some capabilities (like much smoother work with objects
> that may simulate numbers, akin to GMP).
> 

Well, then let's remove this restriction from resources, too.

-- 
Regards,
Mike