What is the best practice to show old value when editing a form in Laravel?

Question

I am writing the logic for an edit form and have some complications when displaying data in the inputs.

When I initially show the form, I show the records values like:

Answer 1

Function old have default parameter if no old data found in session.

function old($key = null, $default = null)

You can replace expression in template with

value="{{old('title', $dog->title)}}"