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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.
No random tests in PHP
Actual and expected are swapped
Parameter in initial solution setup is missing
$CoffeeScript Translation Kumited Please Accept :D
How many "twins" you can have? Becasue I can see it reflected in the code.
Both the JavaScript and PHP versions need (actual) random test cases. The test cases currently under the "Random Elimination" header (in JavaScript) are not actually randomly generated at runtime.