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Bug #35560 Failure on list($a, $b) = $b
Submitted: 2005-12-05 21:27 UTC Modified: 2005-12-12 08:38 UTC
Votes:1
Avg. Score:3.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:1 (100.0%)
Same OS:1 (100.0%)
From: ktk at bigfoot dot com Assigned: dmitry (profile)
Status: Not a bug Package: Arrays related
PHP Version: 5.1.1 OS: GNU/Linux
Private report: No CVE-ID: None
 [2005-12-05 21:27 UTC] ktk at bigfoot dot com
Description:
------------
In PHP 5.1 the list() operator fails to correctly assign values to variables that appear left of the variable that is used as the source array, if the source variable is itself listed as one of the variables to be assigned.

list($a, $b) = $b; fails to properly assign $a.

PHP 5.0 and earlier have no problem with this syntax.


Reproduce code:
---------------
$c = array("Apple", "Banana", "Pear", "Grape", "Orange");
list($a, $b, $c, $d, $e) = $c;
var_dump($a);
var_dump($b);
var_dump($c);
var_dump($d);
var_dump($e);




Expected result:
----------------
string(5) "Apple"
string(6) "Banana"
string(4) "Pear"
string(5) "Grape"
string(6) "Orange"

Actual result:
--------------
string(1) "P"
string(1) "e"
string(4) "Pear"
string(5) "Grape"
string(6) "Orange"

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 [2005-12-05 21:39 UTC] tony2001@php.net
Dmitry, is there something we can do about it?
It definitely looks wrong to me, but somehow it works in 5.0.
 [2005-12-12 08:38 UTC] dmitry@php.net
Duplicated. See http://bugs.php.net/bug.php?id=35277&edit=1
 
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