From: camka at email dot ee
Operating system: Linux
PHP version: 5.0.3
PHP Bug Type: Zend Engine 2 problem
Bug description: setting reference to $this in class method
Description:
------------
When setting reference to $this object, using "=&" operator in a class
method doesn't seem to work as expected (or my understanding is completely
wrong). When unsetting object outside of the class methods - link breaks
and won't unset the referenced objects.
Reproduce code:
---------------
<?php
class uu
{
public $ref;
public function set_me_as_ref(uu &$whom)
{
$whom->ref = &$this;
}
}
$obj1 = new uu();
$obj2 = new uu();
$obj2->set_me_as_ref($obj1);
$obj2 = null; // this won't unset $obj1->ref, but unsets only $obj2 object
// $obj1->ref = null; // this won't unset the $obj2 object, but unsets
only $obj1->ref
echo '<pre>';
var_dump($obj1, $obj2);
?>
Expected result:
----------------
$obj1->ref is supposed to be null
$obje2 - is supposed to be null
Actual result:
--------------
$obj1->ref => living object
$obj2 => null
--
Edit bug report at http://bugs.php.net/?id=31884&edit=1
--
Try a CVS snapshot (php4): http://bugs.php.net/fix.php?id=31884&r=trysnapshot4
Try a CVS snapshot (php5.0):
http://bugs.php.net/fix.php?id=31884&r=trysnapshot50
Try a CVS snapshot (php5.1):
http://bugs.php.net/fix.php?id=31884&r=trysnapshot51
Fixed in CVS: http://bugs.php.net/fix.php?id=31884&r=fixedcvs
Fixed in release: http://bugs.php.net/fix.php?id=31884&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=31884&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=31884&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=31884&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=31884&r=support
Expected behavior: http://bugs.php.net/fix.php?id=31884&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=31884&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=31884&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=31884&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=31884&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=31884&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=31884&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=31884&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=31884&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=31884&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=31884&r=mysqlcfg
