Bug #69784 [NEW]: bad variable reference

From: Date: Tue, 09 Jun 2015 11:25:58 +0000
Subject: Bug #69784 [NEW]: bad variable reference
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-193239@lists.php.net to get a copy of this message
From:             artur at salonstron dot pl
Operating system: irrelevant
PHP version:      5.6.9
Package:          Variables related
Bug Type:         Bug
Bug description:bad variable reference

Description:
------------
In the example below, the variable $d is assigned a reference to a local
variable $a (in function test) despite the fact that variable was not
returns by reference.

To fix this, you must either before returning the $a use the reset(), or
inside test() use another variable.

Test script:
---------------
<?php
$a = array (
    1=>"a",
    2=>"b",
    3=>"c"
);
$d = test($a);
echo "d:<br />";
while(list($key, $val)=each($d))  {
    echo $val." ";
}

function test($a) {
    while(list($key, $val)=each($a)) {
        $a[$key] = $val . "t3";
    }

    return $a;
} 

Expected result:
----------------
d:
at3 bt3 ct3

Actual result:
--------------
d:

-- 
Edit bug report at https://bugs.php.net/bug.php?id=69784&edit=1
-- 
Try a snapshot (PHP 5.4):   https://bugs.php.net/fix.php?id=69784&r=trysnapshot54
Try a snapshot (PHP 5.5):   https://bugs.php.net/fix.php?id=69784&r=trysnapshot55
Try a snapshot (trunk):     https://bugs.php.net/fix.php?id=69784&r=trysnapshottrunk
Fixed in SVN:               https://bugs.php.net/fix.php?id=69784&r=fixed
Fixed in release:           https://bugs.php.net/fix.php?id=69784&r=alreadyfixed
Need backtrace:             https://bugs.php.net/fix.php?id=69784&r=needtrace
Need Reproduce Script:      https://bugs.php.net/fix.php?id=69784&r=needscript
Try newer version:          https://bugs.php.net/fix.php?id=69784&r=oldversion
Not developer issue:        https://bugs.php.net/fix.php?id=69784&r=support
Expected behavior:          https://bugs.php.net/fix.php?id=69784&r=notwrong
Not enough info:            https://bugs.php.net/fix.php?id=69784&r=notenoughinfo
Submitted twice:            https://bugs.php.net/fix.php?id=69784&r=submittedtwice
register_globals:           https://bugs.php.net/fix.php?id=69784&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=69784&r=php4
Daylight Savings:           https://bugs.php.net/fix.php?id=69784&r=dst
IIS Stability:              https://bugs.php.net/fix.php?id=69784&r=isapi
Install GNU Sed:            https://bugs.php.net/fix.php?id=69784&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=69784&r=float
No Zend Extensions:         https://bugs.php.net/fix.php?id=69784&r=nozend
MySQL Configuration Error:  https://bugs.php.net/fix.php?id=69784&r=mysqlcfg



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