Null array vs empty array

But the answer depends on what you'd normally send back. If you normally send back an array, it wouldn't make sense to send back an empty object would it?

I see, so this isn't a "do it this way, all the time" issue. But, in either case, null is probably the less perferred option? I think Avish's answer addresses this pretty well. There might be a case for returning null in certain situations. If you usually return an array, and empty array is probably a good choice.

But if you usually return an object, then, IMHO, null is acceptable and may be better than an empty object. If you usually return just a string or a number, then null would probably be the preferred choice. Show 1 more comment. Active Oldest Votes. The differences are pretty negligible. Basically: If an empty result set is a special case and you want to write explicit behavior for it, null seems more appropriate.

If your client expects an array e. Matthews Thanks for the explanation! I used this to do a similar thing with Pester: If the variable is an empty array. ToString Should -Be 'System. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name.

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