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| author | Phil Sturgeon <email@philsturgeon.co.uk> | 2012-07-04 13:45:46 +0200 |
|---|---|---|
| committer | Phil Sturgeon <email@philsturgeon.co.uk> | 2012-07-04 13:45:46 +0200 |
| commit | 4d1a214836fc16bbecd5afd11060a56bc2859b7d (patch) | |
| tree | 4a13ad456ab6bdd96c73c70359ebd8fc9ab6c7a9 /user_guide_src/source/libraries/cart.rst | |
| parent | 179ffc893067bf0f2bf2cf0a55a843549020e28f (diff) | |
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`.
Diffstat (limited to 'user_guide_src/source/libraries/cart.rst')
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