[Brazil Investigation] JavaScript Syntax in Server Scripts: What Works and What Doesn't in ES12 Mode

After a major upgrade to Brazil, is it safe to use ?., ??, and class in server scripts? The official release notes only state ...
CCM

How to resolve unexpected T_STRING error in PHP

If you want to use these characters without triggering a function or casuing a syntax error, they need to be escaped. Dollar Sign ($) Used to declare and access variables.