Rails, how to sort the array of active records by created_at

You can always use the order method:

@total.order! 'created_at DESC'

And if you need descending order just use reverse

@total.sort_by(&:created_at).reverse

You can sort an array by using sort_by.

In your case, you could do the following:

@total.sort_by(&:created_at)

Update:

Remove @all << @find_user and @all_entry << @find_referal_user
- Why? Because otherwise you will have an array with multiple arrays
Replace @total with: @total = @find_user + @find_referal_user
- Why? Because @total will now only consists of one merged array with all objects, ready to get sorted through .sort_by(&:created_at).

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