#33061 [NEW]: Pass object by value then modify initialized sub-object: passes by reference

From: Date: Thu, 19 May 2005 00:39:36 +0000
Subject: #33061 [NEW]: Pass object by value then modify initialized sub-object: passes by reference
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-79185@lists.php.net to get a copy of this message 
From:             online at natweiss dot com
Operating system: Linux
PHP version:      4.3.10
PHP Bug Type:     Class/Object related
Bug description:  Pass object by value then modify initialized sub-object: passes by reference

Description:
------------
See reproduce code.

php.ini is stock / no changes.

Reproduce code:
---------------
<?php
// a class that does nothing
class something{
	function nothing(){
		}
	}
// a pass-by-value function that modifies a member's member
function pass_by_value($value){
	$value->member->val = 1;
	}
// create a something with a member something
$object = new something;
$object->member = new something;

// call nothing, then call pass_by_value and print results
$object->member->nothing();
echo "member->val should be empty!\n";
pass_by_value($object);
print_r($object);
?>

Expected result:
----------------
$object->member should be empty

Actual result:
--------------
$object->member->val == 1

-- 
Edit bug report at http://bugs.php.net/?id=33061&edit=1
-- 
Try a CVS snapshot (php4):   http://bugs.php.net/fix.php?id=33061&r=trysnapshot4
Try a CVS snapshot (php5.0): http://bugs.php.net/fix.php?id=33061&r=trysnapshot50
Try a CVS snapshot (php5.1): http://bugs.php.net/fix.php?id=33061&r=trysnapshot51
Fixed in CVS:                http://bugs.php.net/fix.php?id=33061&r=fixedcvs
Fixed in release:            http://bugs.php.net/fix.php?id=33061&r=alreadyfixed
Need backtrace:              http://bugs.php.net/fix.php?id=33061&r=needtrace
Need Reproduce Script:       http://bugs.php.net/fix.php?id=33061&r=needscript
Try newer version:           http://bugs.php.net/fix.php?id=33061&r=oldversion
Not developer issue:         http://bugs.php.net/fix.php?id=33061&r=support
Expected behavior:           http://bugs.php.net/fix.php?id=33061&r=notwrong
Not enough info:             http://bugs.php.net/fix.php?id=33061&r=notenoughinfo
Submitted twice:             http://bugs.php.net/fix.php?id=33061&r=submittedtwice
register_globals:            http://bugs.php.net/fix.php?id=33061&r=globals
PHP 3 support discontinued:  http://bugs.php.net/fix.php?id=33061&r=php3
Daylight Savings:            http://bugs.php.net/fix.php?id=33061&r=dst
IIS Stability:               http://bugs.php.net/fix.php?id=33061&r=isapi
Install GNU Sed:             http://bugs.php.net/fix.php?id=33061&r=gnused
Floating point limitations:  http://bugs.php.net/fix.php?id=33061&r=float
No Zend Extensions:          http://bugs.php.net/fix.php?id=33061&r=nozend
MySQL Configuration Error:   http://bugs.php.net/fix.php?id=33061&r=mysqlcfg

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