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To: "Francisco M. Marzoa Alonso" <fmmarzoa@gmx.net>, 
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Subject: Re: [PHP-DEV] serialize bug with array that references to itself?
From: php@hristov.com (Andrey Hristov)

  Well, when there is traversion inside the engine, it checks whether it has
processed a "node" already several times. As far as I remember the threshold
is 3. So once it goes over $Arr, the counter increases to 1, the second time
to 2 and third time it is 3 and ZE reports recursion.

HTH,
Andrey

Francisco M. Marzoa Alonso wrote:
> BTW., I'm not sure that there's nothing more wrong here. Takin the first 
> part of the code of first example:
> 
> <?php
> 
> $Arr = array();
> $Arr['self'] = &$Arr;
> var_dump ( $Arr );
> 
> ?>
> 
> It returns:
> 
> array(1) {
> ["self"]=>
> array(1) {
>   ["self"]=>
>   *RECURSION*
> }
> }
> 
> Is that as its expected to be? I meant that perhaps it should be:
> 
> array(1) {
>   ["self"]=>
>   *RECURSION*
> }
> 
> Since the element in $Arr['self'] is yet (or at least should be) a 
> reference to itself...
>