[saagarjha]

> What do you dislike about that result, and what would you prefer to see returned?

It’s inconsistent and means I need to write special case code to check for it, when before I could choose to. It should return an empty array.

[irishsultan]

null array sounds like it's an array (presumably an empty one), it would have been clearer if OP had said null instead.

[saw-lau]

Not sure why you're getting downvoted - that was how I read it as well.