Answers for "laravel application purge cache completely"

laravel clear cache

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

laravel clear all cache

php artisan optimize:clear

laravel artisan cache clear

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

clear cache in laravel without artisan

Route::get('/route-cache', function() {
     $exitCode = Artisan::call('route:cache');
     return 'Routes cache cleared';
 });