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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.
I like your answer. You should have used an arrow function to have a one-liner :)
Nice! Didn't know such function as count_chars exist
But unfortunately it's not gonna work with multibyte strings
That is cool
you can cache count_chars($word,1) as varibales;