how to artisan config clear in controller code example

Example 1: laravel artisan clear cache

//laravel artisan clear cache 
php artisan view:clear 
php artisan cache:clear
php artisan route:clear
php artisan config:clear

Example 2: clear all laravel cache

/**[SAFE] Clears all cache with 1 line!**/ 
php artisan route:clear &&  
php artisan view:clear && 
php artisan config:clear &&
php artisan cache:clear && 
php artisan clear-compiled