Relays Run This Balanced Ternary Adder
https://fed.brid.gy/r/https://hackaday.com/2026/03/15/relays-run-this-balanced-ternary-adder/
How to Use Ternary and Null Coalesce
? : for if-else. ?? for null fallback. ??= for assign if null.

Ternary Associativity
PHP ternary operator is left-associative! This trap catches everyone. Can you predict the output?

OK, maybe I went too nerdy 🤓 on this one? 🤣
Now when I see 2012 I realise that the hour is about to change. I'm learning! 😉