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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
Check my answer to daveman above.
You should handle the case where no argument is passed too. It works, I've tried it.
Missing arguments in PHP - Because of it I can't complete kata.
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