Answers for "bootstrap margin upper"

laravel clear cache

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

laravel artisan clear cache

//Updated Dec 2020
//laravel artisan clear cache 
php artisan view:clear 
php artisan cache:clear
php artisan route:clear
php artisan config:clear

clear cache in laravel without artisan

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

laravel cache

Cache::put('key', 'value', $seconds);
Cache::rememberForever('users', function () {
    return DB::table('users')->get();
}); 
Cache::get('key');
Cache::has('key');
Cache::pull('key');