Secure mass assignment:
Fillable Array
protected $fillable = ['name', 'email', 'password'];Guarded Array
protected $guarded = ['id', 'is_admin'];Guard All
protected $guarded = ['*'];Force Fill
$user->forceFill([
'is_admin' => true,
])->save();Unguard Temporarily
Model::unguard();
User::create($data);
Model::reguard();