#39728 [Opn->Bgs]: Bug with global unset of 2 dimensional array
| From: | tony2001@php.net | Date: | Mon, 04 Dec 2006 12:10:49 +0000 |
| Subject: | #39728 [Opn->Bgs]: Bug with global unset of 2 dimensional array | ||
| References: | 1 | Groups: | php.bugs |
| Request: | Send a blank email to php-bugs+get-105865@lists.php.net to get a copy of this message | ||
ID: 39728
Updated by: tony2001@php.net
Reported By: victorepand at hotmail dot com
-Status: Open
+Status: Bogus
Bug Type: Arrays related
Operating System: Unix
PHP Version: 5.2.0
New Comment:
"$GLOBALS - Contains a reference to every variable which is currently
available within the global scope of the script. The keys of this array
are the names of the global variables." (c)
http://www.php.net/manual/en/language.variables.predefined.php
With unset($GLOBALS['varname']); you unset the reference, not the
variable itself, which is equal to:
<?php
$var = "string";
$ref =& $var;
unset($ref); //unset the reference
var_dump($var); //but the $var is still here
?>
Previous Comments:
------------------------------------------------------------------------
[2006-12-04 12:04:52] victorepand at hotmail dot com
Description:
------------
When trying to unset a 2 dimensional array from within a function like
this (PHP 5.1):
unset($GLOBALS["products"]);
elements like $products[123]["id"] continue to exist!
I had to use this command to unset the entire array, which is very
inefficient:
foreach($products AS $their_product_id=>$ar)
unset($GLOBALS["products"][$their_product_id]);
Reproduce code:
---------------
unset($GLOBALS["products"]);
Expected result:
----------------
elements like $products[123]["id"] should no longer exist.
Actual result:
--------------
Elements like $products[123]["id"] continue to exist.
------------------------------------------------------------------------
--
Edit this bug report at http://bugs.php.net/?id=39728&edit=1