> > Have you checked the impact of changing the existing function? >
Yes I did, and this breaks absolutely nothing: the spl_object_hash output has exactly the same format (otherwise it's a bug). > > <https://github.com/sebastianbergmann/phpunit/search?utf8=%E2%9C%93&q=spl_object_hash> > > > https://github.com/symfony/symfony/blob/master/src/Symfony/Component/VarDumper/Cloner/VarCloner.php > That's my code and the very place where I'd use this feature first :)