From:             danko at very dot lv
Operating system: Linux
PHP version:      5.4Git-2012-08-31 (Git)
Package:          SPL related
Bug Type:         Bug
Bug description:Assigning to ArrayObject[null][something] creates phantom keys 
in all arrays

Description:
------------
Basically, when you try to assign anything to ArrayObject[null]['any_key'],
it fails as it should, but since that moment anytime you access a
non-existing key in any array, you get the last created zval, or so it
seems.

Strangely enough, all warnings and notices are shown and isset() returns
false.

Test script:
---------------
<?

        $a = new ArrayObject();
        
        $b = [];
        
        $a[null]['hurr'] = 'durr';
        
        var_dump($a['epic_magic']);
        var_dump($b['epic_magic']);
        var_dump($c['epic_magic']); // Undefined var!!
        
        $d = [];
        var_dump($a['epic_magic']); // more magic!
        var_dump($d['epic_magic']);
        
        $e = 'srsly?';
        var_dump($a['epic_magic']); // srsly.


Expected result:
----------------
Warning: Illegal offset type in /home/virtuall/epic.php on line 7
NULL
NULL
NULL
NULL
NULL
NULL
bool(false)


Actual result:
--------------
Warning: Illegal offset type in /home/virtuall/epic.php on line 7
array(1) {
  ["hurr"]=>
  string(4) "durr"
}
array(1) {
  ["hurr"]=>
  string(4) "durr"
}
array(1) {
  ["hurr"]=>
  string(4) "durr"
}
array(0) {
}
array(0) {
}
string(6) "srsly?"
bool(false)


-- 
Edit bug report at https://bugs.php.net/bug.php?id=62987&edit=1
-- 
Try a snapshot (PHP 5.4):            
https://bugs.php.net/fix.php?id=62987&r=trysnapshot54
Try a snapshot (PHP 5.3):            
https://bugs.php.net/fix.php?id=62987&r=trysnapshot53
Try a snapshot (trunk):              
https://bugs.php.net/fix.php?id=62987&r=trysnapshottrunk
Fixed in SVN:                        
https://bugs.php.net/fix.php?id=62987&r=fixed
Fixed in SVN and need be documented: 
https://bugs.php.net/fix.php?id=62987&r=needdocs
Fixed in release:                    
https://bugs.php.net/fix.php?id=62987&r=alreadyfixed
Need backtrace:                      
https://bugs.php.net/fix.php?id=62987&r=needtrace
Need Reproduce Script:               
https://bugs.php.net/fix.php?id=62987&r=needscript
Try newer version:                   
https://bugs.php.net/fix.php?id=62987&r=oldversion
Not developer issue:                 
https://bugs.php.net/fix.php?id=62987&r=support
Expected behavior:                   
https://bugs.php.net/fix.php?id=62987&r=notwrong
Not enough info:                     
https://bugs.php.net/fix.php?id=62987&r=notenoughinfo
Submitted twice:                     
https://bugs.php.net/fix.php?id=62987&r=submittedtwice
register_globals:                    
https://bugs.php.net/fix.php?id=62987&r=globals
PHP 4 support discontinued:          
https://bugs.php.net/fix.php?id=62987&r=php4
Daylight Savings:                    https://bugs.php.net/fix.php?id=62987&r=dst
IIS Stability:                       
https://bugs.php.net/fix.php?id=62987&r=isapi
Install GNU Sed:                     
https://bugs.php.net/fix.php?id=62987&r=gnused
Floating point limitations:          
https://bugs.php.net/fix.php?id=62987&r=float
No Zend Extensions:                  
https://bugs.php.net/fix.php?id=62987&r=nozend
MySQL Configuration Error:           
https://bugs.php.net/fix.php?id=62987&r=mysqlcfg

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