/usr/share/php/Symfony/Polyfill/Xml/autoload.php is in php-symfony-polyfill-xml 1.6.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | <?php
require_once 'Symfony/Component/Php72/autoload.php';
|