tree 4a13ad456ab6bdd96c73c70359ebd8fc9ab6c7a9
parent 179ffc893067bf0f2bf2cf0a55a843549020e28f
author Phil Sturgeon <email@philsturgeon.co.uk> 1341402346 +0200
committer Phil Sturgeon <email@philsturgeon.co.uk> 1341402346 +0200

Having `"0"` in an array would give you NULL with `elements()`. BAD!
The trouble here, is that when we are expecting a valid result, such as `0`, or `false` that the array helper will instead say "I don't know if there is a value" and give you a `null`.