#37744 [Opn->Bgs]: unseting an index on ArrayObject may modify the original array
| From: | tony2001@php.net | Date: | Mon, 19 Jun 2006 17:06:56 +0000 |
| Subject: | #37744 [Opn->Bgs]: unseting an index on ArrayObject may modify the original array | ||
| References: | 1 | Groups: | php.bugs |
| Request: | Send a blank email to php-bugs+get-98509@lists.php.net to get a copy of this message | ||
ID: 37744
Updated by: tony2001@php.net
Reported By: eric dot daspet at survol dot net
-Status: Open
+Status: Bogus
Bug Type: SPL related
Operating System: MS Windows XP
PHP Version: 5.1.4
New Comment:
Code:
<?php
$array = array('foo' => 'bar') ;
$object = new ArrayObject( $array ) ;
unset($object['foo']);
var_dump( $array ) ;
?>
Output:
array(0) {
}
Code:
<?php
$array = array('foo' => 'bar') ;
$object = new ArrayObject( $array ) ;
$object['foo'] = 1;;
unset($object['foo']);
var_dump( $array ) ;
?>
Output:
array(0) {
}
Note the "objeCt" and "objet" in your code.
Previous Comments:
------------------------------------------------------------------------
[2006-06-08 13:12:37] eric dot daspet at survol dot net
Description:
------------
Deleting an index in ArrayObjet also delete it from the original array
*if and only if* ArrayObject was not modified.
This may introduce bugs (unexpected deletion in the original array).
Note: if modification of the original array is wanted behaviour, then
we have the opposite bugs :
- documentation does not says that the array in ArrayObject constructor
is passed as reference
- I we modify the value of some entry in ArrayObject, the the relation
between ArrayObject and the original array is lost
Reproduce code:
---------------
<?php
$array = array('foo' => 'bar') ;
$object = new ArrayObject( $array ) ;
// uncomment this for opposite behaviour
// and loose the reference between $object and $array
// $objet['foo'] = 'hello' ;
unset($objet['foo']);
var_dump( $array ) ;
Expected result:
----------------
array(1) { ["foo"]=> string(3) "bar" }
Actual result:
--------------
array(0) { }
------------------------------------------------------------------------
--
Edit this bug report at http://bugs.php.net/?id=37744&edit=1