Bug #55538 [Com]: Error when unsetting a child of an SimpleXmlElement

Edit report at https://bugs.php.net/bug.php?id=55538&edit=1 ID: 55538 Comment by: csnaitsirch at web dot de Reported by: csnaitsirch at web dot de Summary: Error when unsetting a child of an SimpleXmlElement 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: Maybe one could just remove the line 'php_error_docref(NULL, E_WARNING, "Node no longer exists");', because it is just working fine. Or is there a further purpose for this warning? HHVM does not output any warning (see http://3v4l.org/edMDh) Previous Comments: ------------------------------------------------------------------------ [2015-05-12 17:28:50] cmb@php.net 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> ------------------------------------------------------------------------ [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... ------------------------------------------------------------------------ [2012-10-15 10:20:40] opensource at prodigy7 dot de Can confirm this behaviour. Please fix or tell us, what we do wrong. ------------------------------------------------------------------------ [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. ------------------------------------------------------------------------ [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 ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=55538&edit=1