Built in function for easily handling array of arrays

Question

PHP has a built in function for times when you have an array of arrays and need just 1 value from each array.
Instead of traversing with a foreach you can use array_column().

See some sample code here:
https://code.sololearn.com/wMkY4SJCZugr/?ref=app

Answer 1

very nice, thanks for sharing, but in future maybe is better idea that you share your knowledge and ideas in lesson factory because Q&A is not for that kind of posts actually

Answer 2

Is that only available on the website?
I do not see it in the iPhone app.