public/webhook.php

A PHP script that handles Stripe webhook events to process payment notifications like completed checkout sessions.

// Source: https://github.com/stripe-samples/accept-a-payment | License: MIT | Copyright 2019- Stripe, Inc. (https://stripe.com)
// Provided via justclaw.it.com; keep this notice with the code.
<?php

require_once '../vendor/autoload.php';
require_once '../secrets.php';

if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
  http_response_code(405);
  exit();
}

$stripe = new \Stripe\StripeClient([
  "api_key" => $stripeSecretKey,
]);

$payload = file_get_contents('php://input');
$sig_header = $_SERVER['HTTP_STRIPE_SIGNATURE'] ?? '';
$webhook_secret = getenv('STRIPE_WEBHOOK_SECRET');

if ($webhook_secret) {
  try {
    $event = \Stripe\Webhook::constructEvent($payload, $sig_header, $webhook_secret);
  } catch (Exception $e) {
    echo 'Webhook signature verification failed.';
    http_response_cod

... (truncated -- full source via MCP)