Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
| 1 | <?php  | 
            ||
| 9 | class DatabaseCleanCommand extends Command  | 
            ||
| 10 | { | 
            ||
| 11 | use DatabaseCommandTrait;  | 
            ||
| 12 | use ConfirmableTrait;  | 
            ||
| 13 | |||
| 14 | /**  | 
            ||
| 15 | * The name and signature of the console command.  | 
            ||
| 16 | *  | 
            ||
| 17 | * @var string  | 
            ||
| 18 | */  | 
            ||
| 19 | protected $signature = 'database:clean  | 
            ||
| 20 |         {--force : Force the operation to run when in production.} | 
            ||
| 21 | ';  | 
            ||
| 22 | |||
| 23 | /**  | 
            ||
| 24 | * The console command description.  | 
            ||
| 25 | *  | 
            ||
| 26 | * @var string  | 
            ||
| 27 | */  | 
            ||
| 28 | protected $description = 'Database migrate to clean';  | 
            ||
| 29 | |||
| 30 | /**  | 
            ||
| 31 | * Execute the console command.  | 
            ||
| 32 | *  | 
            ||
| 33 | * @param \Jumilla\Versionia\Laravel\Migrator $migrator  | 
            ||
| 34 | *  | 
            ||
| 35 | * @return mixed  | 
            ||
| 36 | */  | 
            ||
| 37 | public function handle(Migrator $migrator)  | 
            ||
| 55 | }  | 
            ||
| 56 |