ZE2 race condition

> That's quite intentional - assignments in ZE2 are handle based, versus > the > value based in ZE1. That's more or less the biggest change in ZE2 :) > > If you want to create copies like in ZE1 you can use __clone().

> At 06:13 25/03/2003, Jan Schneider wrote: > >Running the following code: > > > >class Foo { > > var $bar_ref; > >} > > > >class Bar { > > var $foo_ref; > >} > > > >$foo = new Foo(); > >$bar = new Bar(); > >$foo->bar_ref = $bar; > >$bar->foo_ref = $foo; > > > >var_dump($foo); > >var_dump($bar); > > > >$s = serialize($foo); > >var_dump($s); > >$s = serialize($bar); > >var_dump($s); > > > > > >in PHP_4_3 results to: > > > >object(foo)(1) { > > ["bar_ref"]=> > > object(bar)(1) { > > ["foo_ref"]=> > > NULL > > } > >} > >object(bar)(1) { > > ["foo_ref"]=> > > object(foo)(1) { > > ["bar_ref"]=> > > object(bar)(1) { > > ["foo_ref"]=> > > NULL > > } > > } > >} > >string(58) "O:3:"foo":1:{s:7:"bar_ref";O:3:"bar":1:{s:7:"foo_ref";N;}}" > >string(86) > >"O:3:"bar":1:{s:7:"foo_ref";O:3:"foo":1:{s:7:"bar_ref";O:3:"bar":1:{s:7:"foo_ref";N;}}}" > > > > > >in HEAD: > > > >object(foo)#1 (1) { > > ["bar_ref"]=> > > object(bar)#2 (1) { > > ["foo_ref"]=> > > object(foo)#1 (1) { > > ["bar_ref"]=> > > object(bar)#2 (1) { > > ["foo_ref"]=> > > *RECURSION* > > } > > } > > } > >} > >object(bar)#2 (1) { > > ["foo_ref"]=> > > object(foo)#1 (1) { > > ["bar_ref"]=> > > object(bar)#2 (1) { > > ["foo_ref"]=> > > object(foo)#1 (1) { > > ["bar_ref"]=> > > *RECURSION* > > } > > } > > } > >} > > > >and a segfault (apache 1 sapi) or a runaway process (cli sapi). > > > >Jan. > > > >-- > >http://www.horde.org - The Horde Project > >http://www.ammma.de - discover your knowledge > >http://www.tip4all.de - Deine private Tippgemeinschaft > > > >-- > >PHP Internals - PHP Runtime Development Mailing List > >To unsubscribe, visit: http://www.php.net/unsub.php > > > -- > PHP Internals - PHP Runtime Development Mailing List > To unsubscribe, visit: http://www.php.net/unsub.php > >

>Quoting Zeev Suraski <zeev@zend.com>: > > > That's quite intentional - assignments in ZE2 are handle based, versus > > the > > value based in ZE1. That's more or less the biggest change in ZE2 :) > > > > If you want to create copies like in ZE1 you can use __clone(). > >That's true of course, but serialize() still shouldn't segfault, no?