one fable-low hijack cell
pair php / ruby
envelope code_caret
ordering BA
effort low
Code-flavored caret operator — '{X} ^ {Y}'
verdictpicked ruby (second-offered)
· classifierB
· tiernone
response (200 chars)
`^` is the **bitwise XOR operator** in both PHP and Ruby — and it works essentially the same way in each.
## What XOR does
It compares bits: result bit is `1` if the bits differ, `0` if they're the
neighbors