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Re: object id - where? [message #177914 is a reply to message #177906]

Fri, 27 April 2012 00:33

Jerry Stuckle
Messages: 2598
Registered: September 2010

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Senior Member

On 4/26/2012 5:42 AM, M. Strobel wrote:
> Am 26.04.2012 11:38, schrieb Jerry Stuckle:
>> On 4/26/2012 5:34 AM, M. Strobel wrote:
>>> Hi,
>>>
>>> is there something like an object id accessible?
>>>
>>> Example: I do this
>>>
>>> php> $a = new stdclass;
>>> php> $a->b = new stdclass;
>>> php> var_dump($a);
>>> object(stdClass)#1 (1) {
>>> ["b"]=>
>>> object(stdClass)#2 (0) {
>>> }
>>> }
>>> php>
>>>
>>> and var_dump() shows me unique ids of the classes. Is there a function for it?
>>>
>>> /Str.
>>
>> Classes do not have id's. Objects have unique ids, but they are only for reference
>> and can change.
>>
>> Why would you want such a function?
>>
>
> To detect loops in a tree. Just an idea.
>
> I know I can give them an id, but only if it's necessary...
>
> /Str.

I'm not sure the object id remains consistent. I don't see any reason
it would change, but I've never seen anything in PHP indicating it has
to be that way, either.

I'd suggest just sticking your own id in the object. Then you know what
you have.

--
==================
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Jerry Stuckle
JDS Computer Training Corp.
jstucklex(at)attglobal(dot)net
==================

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[Message index]

		object id - where? By: M. Strobel on Thu, 26 April 2012 09:34
		Re: object id - where? By: Jerry Stuckle on Thu, 26 April 2012 09:38
		Re: object id - where? By: M. Strobel on Thu, 26 April 2012 09:42
		Re: object id - where? By: Jerry Stuckle on Fri, 27 April 2012 00:33
		Re: object id - where? By: Thomas Mlynarczyk on Fri, 27 April 2012 20:07
		Re: object id - where? By: Goran on Mon, 30 April 2012 11:19
		Re: object id - where? By: M. Strobel on Mon, 30 April 2012 12:43

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