app\models\File::getHash PHP Method

    public static function getHash($path)
    {
        return md5(config('app.key') . $path);
    }

 /**
  * Register any other events for your application.
  *
  * @param \Illuminate\Contracts\Events\Dispatcher $events
  */
 public function boot(DispatcherContract $events)
 {
     parent::boot($events);
     // Generate a unique hash for a song from its path to be the ID
     Song::creating(function ($song) {
         $song->id = File::getHash($song->path);
     });
     // Remove the cover file if the album is deleted
     Album::deleted(function ($album) {
         if ($album->hasCover) {
             @unlink(app()->publicPath() . '/public/img/covers/' . $album->cover);
         }
     });
 }