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html5 parser crash: dom_html_collection_named_item: Assertion `iter.candidate->type == XML_ELEMENT_NODE' failed. #23887
Description
Description
The following code:
<?php
Dom\HTMLDocument::createFromString(<<<a
<!DOCTYPE html>
<b id="container">
a)
->getElementById('container')
->getElementsByClassName('')
->namedItem("here");Resulted in this output:
php: /home/user/software/php-install/src/ext/dom/html_collection.c:58: dom_html_collection_named_item: Assertion `iter.candidate->type == XML_ELEMENT_NODE' failed.
AbortedPHP Version
PHP 8.7.0-dev (cli) (built: Sep 23 2026 15:02:26) (NTS DEBUG)
Copyright © The PHP Group and Contributors
Zend Engine v4.7.0-dev, Copyright © Zend by Perforce
with Zend OPcache v8.7.0-dev, Copyright ©, by Zend by Perforce
Operating System
Ubuntu 24.04
Activity
Fix phpGH-23887: HTMLCollection::namedItem() mishandles the first child
Merge branch 'PHP-8.5' into PHP-8.6
Merge branch 'PHP-8.6'