Sylvain Rabot wrote:
> Hello,
>
> First of all I would like to know if one day we will be able to unset
> $this into a class in order to destroy the object. It could really be
> useful to prevent big memory usage.
>
> As it can't be done I tried to unset an object by unsetting a reference
> of this object but it has no effect on the object but only on the
> reference.
>
> Should unset destroy the reference itself and the object ???
>
> if you don't think so can you think of something different to destroy
> both of them like I don't know, destroy($obejctsreference)
>
> Regards.
>
> Reproduce code:
> ---------------
> <?
>
> $x = new stdClass();
> $x->a = 'ayayaye';
>
> $b[0] =& $x;
>
> unset($b[0]);
>
> var_dump($x);
>
> ?>
>
> Expected result:
> ----------------
> NULL
>
> Actual result:
> --------------
> object(stdClass)#1 (1) {
> ["a"]=>
> string(7) "ayayaye"
> }
So if you unset a reference you are dereferencing it. If you want to
unset both, then unset the object, in this case $x.
-Shawn
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