PHP 8 - libxml_disable_entity_loader() has been deprecated. How do I replace the functionality it provides?

php deprecation-warning

PHP Snippet 1:

...
$current = @libxml_disable_entity_loader(false);
$domdocument->load($filename,$options);
@libxml_disable_entity_loader($current);
...

PHP Snippet 2:

...
$domdocument->loadXML(file_get_contents($filename),$options);
...