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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.
Same here tbh, my solution had some backtracking to delete redundant parts of the output so I am definitely still learning my optimizations in string manipulation.
Will PHP automatically return false or will it be null or 0? This is to make sure that the return will be what we expect - false
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thanks though!