From:             feldkamp at gameforge dot de
Operating system: Debian Etch 2.6.26
PHP version:      5.2.9
PHP Bug Type:     Scripting Engine problem
Bug description:  Reference inconsistency

Description:
------------
Using array-operator to access a non-existing key of a referenced variable
turns variables that are false or an empty string into arrays.

Reproduce code:
---------------
<?
$abc = false; // or ''
var_dump($abc);
$a = &$abc['unsetKey'];
var_dump($abc);
?>

Expected result:
----------------
Warning: Cannot use a scalar value as an array

Actual result:
--------------
boolean false

array
  'unsetKey' => null

-- 
Edit bug report at http://bugs.php.net/?id=48121&edit=1
-- 
Try a CVS snapshot (PHP 5.2):        
http://bugs.php.net/fix.php?id=48121&r=trysnapshot52
Try a CVS snapshot (PHP 5.3):        
http://bugs.php.net/fix.php?id=48121&r=trysnapshot53
Try a CVS snapshot (PHP 6.0):        
http://bugs.php.net/fix.php?id=48121&r=trysnapshot60
Fixed in CVS:                        
http://bugs.php.net/fix.php?id=48121&r=fixedcvs
Fixed in CVS and need be documented: 
http://bugs.php.net/fix.php?id=48121&r=needdocs
Fixed in release:                    
http://bugs.php.net/fix.php?id=48121&r=alreadyfixed
Need backtrace:                      
http://bugs.php.net/fix.php?id=48121&r=needtrace
Need Reproduce Script:               
http://bugs.php.net/fix.php?id=48121&r=needscript
Try newer version:                   
http://bugs.php.net/fix.php?id=48121&r=oldversion
Not developer issue:                 
http://bugs.php.net/fix.php?id=48121&r=support
Expected behavior:                   
http://bugs.php.net/fix.php?id=48121&r=notwrong
Not enough info:                     
http://bugs.php.net/fix.php?id=48121&r=notenoughinfo
Submitted twice:                     
http://bugs.php.net/fix.php?id=48121&r=submittedtwice
register_globals:                    
http://bugs.php.net/fix.php?id=48121&r=globals
PHP 4 support discontinued:          http://bugs.php.net/fix.php?id=48121&r=php4
Daylight Savings:                    http://bugs.php.net/fix.php?id=48121&r=dst
IIS Stability:                       
http://bugs.php.net/fix.php?id=48121&r=isapi
Install GNU Sed:                     
http://bugs.php.net/fix.php?id=48121&r=gnused
Floating point limitations:          
http://bugs.php.net/fix.php?id=48121&r=float
No Zend Extensions:                  
http://bugs.php.net/fix.php?id=48121&r=nozend
MySQL Configuration Error:           
http://bugs.php.net/fix.php?id=48121&r=mysqlcfg

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