Re: Re: unable to unset reference

2008. 02. 19, kedd keltezéssel 13.39-kor Shawn McKenzie ezt írta: > 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. I think he should unset all references to the object, $x and $b[0] as well. greets Zoltán Németh > > -Shawn >