payment page

\Stripe\Stripe::setApiKey('sk_test_4eC39HqLyjWDarjtT1zdp7dc');
$payment_link = $stripe->paymentLinks->create([
  'line_items' => [
    [
      'price' => 'price_1HKiSf2eZvKYlo2CxjF9qwbr',
      'quantity' => 1,
    ],
  ],
]);