<?php
namespace App\Models;
use Illuminate\Database\Eloquent\Model;
class Post extends Model
{ /** * Get the comments for the blog post. */ public function comments() { return $this->hasMany(Comment::class); }
}

$user->roles()->attach($roleIds);
$user->roles()->detach($roleIds);
$user->roles()->sync($roleIds);
$user->roles()->toggle($roleIds);

class Post extends Model
{ // 1 Post has many comments public function comments() { return $this->hasMany(Comment::class); }
}

/*
users id - integer name - string
roles id - integer name - string
role_user user_id - integer role_id - integer
*/
class User extends Model
{ /** * The roles that belong to the user. */ public function roles() { /*To determine the table name of the relationship's intermediate table, Eloquent will join the two related model names in alphabetical order. However, you are free to override this convention. You may do so by passing a second argument to the belongsToMany method*/ return $this->belongsToMany(Role::class,'role_user'); }
}
//Defining The Inverse Of The Relationship
class Role extends Model
{ /** * The users that belong to the role. */ public function users() { return $this->belongsToMany(User::class); }
}

use App\Models\User;
$user = User::find(1);
$user->roles()->attach($roleId);

// in User model:
<?php
namespace App;
use Illuminate\Database\Eloquent\Model;
class User extends Model
{ /** * The roles that belong to the user. */ public function roles() { return $this->belongsToMany('App\Role'); }
}
// in Role model:
<?php
namespace App;
use Illuminate\Database\Eloquent\Model;
class Role extends Model
{ /** * The users that belong to the role. */ public function users() { return $this->belongsToMany('App\User')->using('App\UserRole'); }
}

<?php namespace App; use Illuminate\Database\Eloquent\Model; class UserRole extends Model{ }