When attempting to use Phabricator with PHP8, the install is completely broken, throwing an error about get_magic_quotes_gpc() not being found
Complete steps which allow someone else who does not have access to your environment to reproduce the bug.
Attempt to install Phabricator on PHP 8.0
Browse to install and see an error
Output from Config > Version Information or
arc version. not attainable currently but on latest git master