How can I undo migration or delete all tables with php artisan?

Docs: https://laravel.com/docs/8.x/migrations#rolling-back-migrations

To delete all tables use

php artisan migrate:reset

You can Rollback all migrations with

php artisan migrate:reset

@cola

You can also use migrate:fresh in newer Laravel versions or you can use

Route::get('/delete-table', function () {
    return Artisan::call('migrate:reset', ['--force' => true]);
});