地區.php<?phpnamespace App;use Illuminate\Database\Eloquent\Model;class Region extends Model{    protected $fillable = ['region'];    public function passport()    {      return $this->hasMany('App\passport');    }}護照.php<?phpnamespace App;use Illuminate\Database\Eloquent\Model;class passport extends Model{    protected $table = 'passport';    protected $fillable = ['name', 'no_pass', 'negara', 'city', 'image', 'regions_id'];    public function region()    {      return $this->belongsTo('App\region');    }}