assertSame( ['client_name', 'promo_code', 'due_date'], MailPlaceholders::extract('Xin chào {{ $client_name }}', '

{{promo_code}} {{$due_date}} {{$content}} {{client_name}}

'), ); } public function test_fill_escapes_html_and_keeps_layout_slot(): void { $html = MailPlaceholders::fill('{{$name}}{{$content}}{{missing}}', ['name' => "