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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.
Using "" instead of '' will make PHP trying to parse the strings unneeded.
$a might be shorter, but I would not consider it 'best practise' to use meaningless variables.
Took 1217ms to complete. Same error. Mind I ask if you've solved it?
Unknown error
Process took 1297ms to complete
Am I too far off?