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To: Leigh <leight@gmail.com>
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Subject: Re: [PHP-DEV] Invokation on __toString() for object used as array
 key
From: mike@php.net (Michael Wallner)

On 2014-09-23 11:45, Leigh wrote:
> On 23 September 2014 10:35, Michael Wallner <mike@php.net> wrote:
>> On 2014-09-23 11:15, Leigh wrote:
>>> He doesn't want to add the object as a key, he wants to invoke __toString().
>>
>> Did I write that?
> 
> No, you didn't, sorry.
> 
> I just didn't see how an object with an explicit method to convert it
> to a string compared to using a resource straight up as a key. If you
> were implying the resource would be cast to int, then I get the
> comparison.
> 
> Does it really make bugs that hard to find? You'd expect the user to
> know when they're using this behaviour when they write the code...
> well, I would.
> 
> I suppose explicit casting removes any ambiguity, we use
> $a[(int)$resource] all the time for arrays of sockets and that's
> served us fine over the years. Hmm, thinking about it
> $a[(string)$object] is a lot clearer than having some magic sort it
> out. You're right, I'll retreat now :)
> 

I'm a "victim" of $array[(int) $resource] myself. I just tried to
explain that the behavior is intentional and not an oversight. That
doesn't mean that is set in stone for all times.

-- 
Regards,
Mike