Manage Many-to-Many Relationships with Eloquent Attach and Detach

// Assuming a User model with a 'roles' many-to-many relationship
use App\Models\User;
use App\Models\Role;

$user = User::find(1);
$adminRole = Role::where('name', 'admin')->first();
$editorRole = Role::where('name', 'editor')->first();

// Attach a role (add to pivot table)
$user->roles()->attach($adminRole->id);

// Attach with pivot table attributes
$user->roles()->attach($editorRole->id, ['assigned_at' => now()]);

// Detach a role (remove from pivot table)
$user->roles()->detach($adminRole->id);

// Sync roles (attaches new ones, detaches missing ones, updates existing)
// $user->roles()->sync([1, 2, 3]); // Replaces all current roles with IDs 1, 2, 3

// Sync with pivot data for existing relationships
// $user->roles()->sync([
//     1 => ['expires_at' => now()->addYear()],
//     2,
// ]);

// Toggle a relationship (attaches if not attached, detaches if attached)
// $user->roles()->toggle($adminRole->id);