Before adding your custom functions helper or library to project. Laravel have set most of useful function in helper. Read Laravel’s pre-defined functions in helper https://laravel.com/docs/helpers
So let’s start to add custom function library or helper to your project.
Create directory helpers in “LaravelProject\app\Http”
Create function helper file “func_helper.php” in
“LaravelProject\app\Http\Helpers” directory
Register (Add) func_helper.php file in project
Open file “AppServiceProvider.php”
from “LaravelProject/app/Providers” and write the following in register() method or replace the whole register method with