How to edit and save custom config files in Laravel?

Question

I am creating simple web application in Laravel 4. I have backend for managing applications content. As a part of backend i want to have UI to manage applications settings. I wa

Answer 1

Based upon @Batman answer with respect to current version (from 5.1 to 6.x):

config(['YOUR-CONFIG.YOUR_KEY' => 'NEW_VALUE']);
$text = '