How to Use Ternary and Null Coalesce
? : for if-else. ?? for null fallback. ??= for assign if null.

How to Use Ternary and Null Coalesce
? : for if-else. ?? for null fallback. ??= for assign if null.

Null Coalesce Chain
The null coalesce operator is genius! See $a ?? $b ?? $c in action. Which value wins? Test your skills!
