Laravel adding data to pivot table while inserting new record
Stefan Izdrail
Founder & Senior Architect · 2026-06-29
Title: Effortlessly Adding Data to Pivot Tables While Inserting New Records in Laravel
Introduction
In this blog post, we will explore how to add data to a pivot table when creating a new record for both users and roles with their respective relationships. We will utilize the Laravel Eloquent ORM, which provides an intuitive interface to interact with database tables. By following best practices, we can ensure that our code remains efficient and maintainable.
Understanding Pivot Tables
Pivot tables in relational databases are used for storing associations between two different entities. In the given scenario, we have a roles table, users table, and a pivot table (user_role) to establish relationships between them. The user_role table will store the associations between users and roles.
Eloquent Models for User and Role Management
We have created two Eloquent models for our users and roles:
1. Role Model - Handles interactions with the roles table.
2. User Model - Handles interactions with the users table.
Our models should look like this:
```php
// App\Role
class Role extends Model {
protected $table = 'roles';
public function users() {
return $this->belongsToMany('User'); // many roles can have multiple users
}
}
// App\User
class User extends Authenticatable implements MustVerifyEmail {
use Notifiable;
protected $table = 'users';
public function roles() {
return $this->belongsToMany('Role'); // one user can have multiple roles
}
}
```
Laravel 5.8 and above provides a shorthand method for the belongsToMany relationship, which we are using here. This approach simplifies querying and saves us from having to explicitly define the relationships in migration files.
Inserting New Records with Pivot Table Data
Now let's add the functionality that allows us to insert a new user along with its associated roles. First, we create an input form on our view with role select boxes for each role needed for the newly created user. The code for this could look like:
```php
```
Next, we write a controller function to handle the form submission and insert the new user with their roles into the database. We can use the Eloquent models to perform these operations:
```php
public function storeUser(Request $request) {
$roles = Input::get('roles'); // arrays of role ids
$user = new User();
$user->username = $request->input('username');
$user->password = Hash::make($request->input('password'));
$user->save(); // Saving the user entity to the 'users' table
foreach ($roles as $role) {
Role::find($role)->users()->attach($user->id);
}
}
```
Conclusion
By following these steps, we have successfully integrated our Eloquent models and Laravel controllers to create a convenient way of inserting new users with their associated roles. We can further extend this functionality by adding validation rules for the input fields and presenting them in an elegant UI. For more in-depth insights on Eloquent ORM, refer to the official documentation at https://laravelcompany.com/docs/9.x/.