Zend/tests/bug72530.phpt


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

--TEST--
Bug #72530: Use After Free in GC with Certain Destructors
--FILE--
<?php

class ryat {
    var $ryat;
    var $chtg;

    function __destruct() {
        $this->chtg = $this->ryat;
        $this->ryat = 1;
    }
}

$o = new ryat;
$o->ryat = $o;
$x =& $o->chtg;

unset($o);
gc_collect_cycles();
var_dump($x);

?>
--EXPECT--
object(ryat)#1 (2) {
  ["ryat"]=>
  int(1)
  ["chtg"]=>
  *RECURSION*
}