Description
The following code:
<?php
$dom = DOM\XMLDocument::createEmpty();
function createContainer() {
global $dom;
$element = $dom->createElement("container");
return $element;
}
$container = createContainer();
$container->append($dom->createComment("^@ is -a- comment")); // contains null byte \x00
var_dump($container->innerHTML);
?>Resulted in this output:
/home/program/ext/dom/xml_serializer.c:643:52: runtime error: addition of unsigned offset to 0x602000002b50 overflowed to 0x602000002b4f
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /home/program/ext/dom/xml_serializer.c:643:52 in
But I expected this output instead:
string(22) "<!-- is -a- comment-->"
PHP Version
PHP 8.5.0-dev (cli) (built: Jun 4 2025 20:21:49) (NTS)
Copyright (c) The PHP Group
Zend Engine v4.5.0-dev, Copyright (c) Zend Technologies
Operating System
Ubuntu 20.04
Description
The following code:
Resulted in this output:
But I expected this output instead:
PHP Version
Operating System
Ubuntu 20.04