Re: unset( $anobject) does not invoce __destruct()

Stuart, u are right, the refcount in php 5 doesn't matter, where something left behind in my memory from earlier days, However i do have the effect that unsetting an object does NOT call __dectruct() ! but when the script ends it is called. this can be easily tested by putting a echo in destruct. my objects affected are pretty much the sheme I send. however I'm doing some reflection stuff in my classes. may be thats the reason. I will do some further investigation about that. "Stuart" <stuttle@gmail.com> wrote in message news:a5f019de0908240749l8fa749s825cfa0e475f7775@mail.gmail.com... 2009/8/24 Ralph Deffke <ralph_deffke@yahoo.de>: > this is also not the full truth try this and it works > what are the circumstances that is causing this problem then, yes I do have > distributed references over my script and there are clearly references still > set, however after running the snipped script I can not see what I do > special in my script causing the problem. I even tried with public and > private static in other objects. it works. however the manual indicates the > refernce counter has to be 0. Assuming you're using PHP 5... > <?php > > > abstract class a { > public function __construct(){ > echo "constructing....<br>"; > } > public function __destruct(){ > echo "destructing....<br>"; > } > } > > class b extends a{ > > } > > $c = new b(); refcount = 1 > $d = $c ; // works refcount = 2 > $f[] = $c ; // works refcount = 3 > class e { > private $m; > > public function setM( $m ){ > $this->m = $m; > } > } > > $o = new e(); > $o->setM( $c ); // works refcount = 4 (due to assignment in setM) > unset( $c ); refcount = 3 In PHP 5 all objects are passed by reference unless explicitly cloned. This means that assigning an object variable to another variable does nothing more than assign a reference and increment the referece count. What exactly in the manual leads you to believe that after the unset the refcount should be 0? -Stuart -- http://stut.net/ > "Lupus Michaelis" <mickael+php@lupusmic.org> wrote in message > news:41.F9.03363.011929A4@pb1.pair.com... >> kranthi wrote: >> > unset($obj) always calls the __destruct() function of the class. >> >> Never calls the dtor. The dtor will be called only when the reference >> count reaches 0. >> >> class c { function __destruct() { echo 'dying !' ; } } >> $v1 = new c ; >> $v2 = $v1 ; >> >> unset($v1) ; // don't call the dtor >> unset($v2) ; // call the dtor >> >> -- >> Mickaël Wolff aka Lupus Michaelis >> http://lupusmic.org > > > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > >