<?php

// Optionally, handle webhooks from Stripe
// This allows Stripe to notify your server when certain events occur (e.g., payment successful, chargeback, etc.).

$endpoint_secret = 'your_webhook_secret'; // You get this from the Stripe Dashboard

$input = @file_get_contents('php://input');
$sig_header = $_SERVER['HTTP_STRIPE_SIGNATURE'];

try {
    $event = \Stripe\Webhook::constructEvent($input, $sig_header, $endpoint_secret);

    switch ($event->type) {
        case 'payment_intent.succeeded':
            $paymentIntent = $event->data->object;
            // Handle successful payment here
            break;
        // Handle other events
    }
} catch(\UnexpectedValueException $e) {
    // Invalid payload
    http_response_code(400);
    exit();
} catch(\Stripe\Exception\SignatureVerificationException $e) {
    // Invalid signature
    http_response_code(400);
    exit();
}