Original code: Steven Peterson, © 2006, GPLv2.
Running unmodified on a static PHP 8.3 binary. The only concessions: a mysql_*→SQLite shim, a get_magic_quotes_gpc() stub, and a neutered AutoLoader.php (PHP 8 forbids declaring __autoLoad()). Everything else is 2006 code.
Click the broken link to watch the DAO's "invalid key" fallback path fire.