PHP

Laravel many to many

users
    id - integer
    name - string
 
roles
    id - integer
    name - string
 
role_user
    user_id - integer
    role_id - integer

one to many laravel

Suppose you have a Post model with a hasMany relationship with Comment. You may insert a Comment object related to a post by doing the following:

$post = Post::find(1);
$commentToAdd = new Comment(['message' => 'This is a comment.']);
$post->comments()->save($commentToAdd);