many to many insert laravel code example
Example 1: laravel many to many insert data
$user = User::find(2);
$roleIds = [1, 2];
$user->roles()->attach($roleIds);
$user = User::find(3);
$roleIds = [1, 2];
$user->roles()->sync($roleIds);
Example 2: add data one to many laravel
$employee = employee::find(1);
$salary1 = new Salary;
$salary->amount = '123456789';
$salary->payment_date = '15/07/2020';
$salary2 = new Salary;
$salary->amount = '123456789';
$salary->payment_date = '16/07/2020';
$employee = $employee->salary()->saveMany([$salary1, $salary2]);