insrt data in two tablesuse laravelonce

1class Something extends Eloquent {
2
3    protected $table = 'something';
4
5    public function users()
6    {
7        return $this->hasMany('User', 'id_something');
8    }
9}
10
11class User extends Eloquent implements UserInterface, RemindableInterface {
12
13    use UserTrait, RemindableTrait;
14
15    protected $table = 'something_users';
16
17    protected $hidden = array('password', 'remember_token');
18
19    public function something()
20    {
21        return $this->belongsTo('Something', 'id_something');
22    }
23}