Nacin and Westi on the Admin Menu Code

Without a doubt, the worst code in core exists in admin/menu.php, admin/includes/menu.php, and admin/menu-header.php
Andrew Nacin

And in reply to Andrew:

It’s not code, it’s bits that met and became bytes.
Peter Westwood

About the author

Konstantin Kovshenin

WordPress Core Contributor, ex-Automattician, public speaker and consultant, enjoying life in Moscow. I blog about tech, WordPress and DevOps.