Laravel 5.5 - Validate Multiple Form Request - at the same time

Question

The question is already asked here for a previous version of laravel and not yet answered.

I have a html form which is validated using three different

Answer 1

I would create traits containing the rules for each FormRequest - purchase, transporataion and sale. Use the trait in it's specific FormRequest and then when you need all the rules you can use all three traits in the combined FormRequest and merge the rules arrays then.