#28831 [Bgs]: ArrayObject::offsetGet() does not return a stored ArrayObject

[nospam0 at malkusch dot de]

 ID:               28831
 User updated by:  nospam0 at malkusch dot de
 Reported By:      nospam0 at malkusch dot de
 Status:           Bogus
 Bug Type:         Arrays related
 Operating System: Linux
 PHP Version:      5CVS-2004-06-18 (dev)
 New Comment:

> Try this code: 
> <?php 
> 
> $array     = new ArrayObject(); 
> $subArray  = new ArrayObject(); 
> $array->append($subArray); 
> 
> $subArray->append(\'item\'); 
> var_dump($array); 
> 
> $x=$array->offsetGet(0); 
> $x->append(\'item2\'); 
> var_dump($array); 
> var_dump($x); 
> 
> ?> 
 
I don't think, that the output is expected: 
 
object(ArrayObject)#1 (1) { 
  [0]=> 
  object(ArrayObject)#2 (1) { 
    [0]=> 
    string(4) "item" 
  } 
} 
object(ArrayObject)#1 (1) { 
  [0]=> 
  NULL 
} 
object(ArrayObject)#2 (2) { 
  [0]=> 
  string(4) "item" 
  [1]=> 
  string(5) "item2" 
} 
 
Why is there a NULL in the second var_dump? If offsetGet() 
would not return a reference I would at least expect, that 
my ArrayObject won't loose its entry. It seems that 
offsetGet() does the work of offsetUnset().


Previous Comments:
------------------------------------------------------------------------

[2004-06-18 20:55:21] [EMAIL PROTECTED]

Thank you for taking the time to write to us, but this is not
a bug. Please double-check the documentation available at
http://www.php.net/manual/ and the instructions on how to report
a bug at http://bugs.php.net/how-to-report.php

Unfortunatley internal functions cannot return a reference.......

Try this code:
<?php

$array     = new ArrayObject();
$subArray  = new ArrayObject();
$array->append($subArray);

$subArray->append(\'item\');
var_dump($array);

$x=$array->offsetGet(0);
$x->append(\'item2\');
var_dump($array);
var_dump($x);

?>

------------------------------------------------------------------------

[2004-06-18 16:19:13] nospam0 at malkusch dot de

Description:
------------
If I save an ArrayObject in an ArrayObject, I can't 
manipulate the stored ArrayObject, by getting it with 
offsetGet() 

Reproduce code:
---------------
$array     = new ArrayObject();
$subArray  = new ArrayObject();
$array->append($subArray);

$subArray->append('item');
var_dump($array);

$array->offsetGet(0)->append('item2');
var_dump($array);

Expected result:
----------------
object(ArrayObject)#23 (1) { 
  [0]=> object(ArrayObject)#24 (1) { 
    [0]=> string(4) "item" } } 
 
oobject(ArrayObject)#23 (1) { 
  [0]=> object(ArrayObject)#24 (1) { 
    [0]=> string(4) "item", 
    [1]=> string(5) "item2" } } 

Actual result:
--------------
object(ArrayObject)#23 (1) { 
  [0]=> object(ArrayObject)#24 (1) { 
    [0]=> string(4) "item" } } 
 
object(ArrayObject)#23 (1) { [0]=> NULL } 


------------------------------------------------------------------------


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Edit this bug report at http://bugs.php.net/?id=28831&edit=1