[PHP-BUG] Bug #70550 [NEW]: Reference to undeclared array element, creates element

From:             michal at econnect4u dot pl
Operating system: Widnows
PHP version:      5.6.13
Package:          PHP Language Specification
Bug Type:         Bug
Bug description:Reference to undeclared array element, creates element

Description:
------------
Reference to undeclared array element, creates element, instead return
null pointer.

Test script:
---------------
$array = array('a');
print_r($array);
$a= &$array[4];
print_r($array);

$array2 = array('b');
print_r($array2);
$a= $array2[4];
print_r($array2);

Expected result:
----------------
Array
(
    [0] => a
)
Array
(
    [0] => a
)

Actual result:
--------------
Array
(
    [0] => a
)
Array
(
    [0] => a
    [4] => 
)

-- 
Edit bug report at https://bugs.php.net/bug.php?id=70550&edit=1
-- 
Try a snapshot (PHP 5.4):   https://bugs.php.net/fix.php?id=70550&r=trysnapshot54
Try a snapshot (PHP 5.5):   https://bugs.php.net/fix.php?id=70550&r=trysnapshot55
Try a snapshot (trunk):     https://bugs.php.net/fix.php?id=70550&r=trysnapshottrunk
Fixed in SVN:               https://bugs.php.net/fix.php?id=70550&r=fixed
Fixed in release:           https://bugs.php.net/fix.php?id=70550&r=alreadyfixed
Need backtrace:             https://bugs.php.net/fix.php?id=70550&r=needtrace
Need Reproduce Script:      https://bugs.php.net/fix.php?id=70550&r=needscript
Try newer version:          https://bugs.php.net/fix.php?id=70550&r=oldversion
Not developer issue:        https://bugs.php.net/fix.php?id=70550&r=support
Expected behavior:          https://bugs.php.net/fix.php?id=70550&r=notwrong
Not enough info:            https://bugs.php.net/fix.php?id=70550&r=notenoughinfo
Submitted twice:            https://bugs.php.net/fix.php?id=70550&r=submittedtwice
register_globals:           https://bugs.php.net/fix.php?id=70550&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=70550&r=php4
Daylight Savings:           https://bugs.php.net/fix.php?id=70550&r=dst
IIS Stability:              https://bugs.php.net/fix.php?id=70550&r=isapi
Install GNU Sed:            https://bugs.php.net/fix.php?id=70550&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=70550&r=float
No Zend Extensions:         https://bugs.php.net/fix.php?id=70550&r=nozend
MySQL Configuration Error:  https://bugs.php.net/fix.php?id=70550&r=mysqlcfg