how to get latest roll in laravel code example

Example 1: laravel migration rollback

To rollback one step:

php artisan migrate:rollback

To rollback multiple steps:

php artisan migrate:rollback --step=[x]
  
To drop all tables and reload all migrations:

php artisan migrate:fresh

Example 2: laravel before migration

Schema::table('users', function ($table) {
    $table->string('email')->after('id')->nullable();
});