I\'m using Laravel 5.3 to validate start_date and end_date for an event. end_date should be equal to start_date or the after date. end_date >= start_date
end_date >= start_date
$validator = Validator::make($data, [ 'start_date' => 'required|date', 'end_date' => 'required|date|after_or_equal:start_date', ]);
Use after_or_equal