Bug #55538 [Opn->Ver]: Error when unsetting a child of an SimpleXmlElement
Edit report at https://bugs.php.net/bug.php?id=55538&edit=1
ID: 55538
Updated by: cmb@php.net
Reported by: csnaitsirch at web dot de
Summary: Error when unsetting a child of an SimpleXmlElement
-Status: Open
+Status: Verified
Type: Bug
Package: SimpleXML related
Operating System: Windows 7
PHP Version: 5.3.8
Block user comment: N
Private report: N
New Comment:
I'm not sure, whether this qualifies as bug in PHP. Actually,
during the iteration over a collection, removing or adding
elements can always have undesired side effects.
What's happening in this case is that after the first and only
element is deleted, the next node is requested
(php_sxe_move_forward_iterator[1]). However, this fails, because
the current element had been removed, and so GET_NODE[2] triggers
the warning.
[1] <https://github.com/php/php-src/blob/55d94a453243cafc2292920e9c91bd2bc551f2be/ext/simplexml/simplexml.c#L2462-L2477>
[2] <https://github.com/php/php-src/blob/55d94a453243cafc2292920e9c91bd2bc551f2be/ext/simplexml/simplexml.c#L89-L96>
Previous Comments:
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[2012-10-17 19:51:16] csnaitsirch at web dot de
Sorry, but I am not a core developer. I just made a bug report. I do not know what you made wrong. I
just see that there is something wrong...
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[2012-10-15 10:20:40] opensource at prodigy7 dot de
Can confirm this behaviour. Please fix or tell us, what we do wrong.
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[2011-08-30 11:26:06] csnaitsirch at web dot de
I forgot to mention, that the node is removed correctly. The only problem is the error message.
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[2011-08-30 11:21:12] csnaitsirch at web dot de
Description:
------------
Hi. I want to remove a child element of an SimpleXmlElement. But that produces a strange error and I
think it's a bug.
This is the error message: Warning: main() [function.main]: Node no longer exists in
C:\xampp\htdocs\test.php on line 5
It is very easy to reproduce. Pleas look at the test script.
Test script:
---------------
<?php
$xml = "<root><a><aa></aa></a></root>";
$xml = simplexml_load_string($xml);
foreach ($xml as $tag => $child) {
unset($xml->{$tag});
}
Expected result:
----------------
No errors.
Actual result:
--------------
Warning: main() [function.main]: Node no longer exists in C:\xampp\htdocs\test.php on line 5
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Edit this bug report at https://bugs.php.net/bug.php?id=55538&edit=1
Thread (8 messages)