i can’t to store Stripe events in database – Blancer.com Tutorials and projects

i need to store the event insert into database i don’t what i miss please help me i used PHP 8.0 this events are created and respond 200 OK payment_intent.succeeded,payment_method.attached, charge.succeeded,payment_intent.succeeded and also Webhook url is correct please help?
<?php
//secret.php
// Keep your Stripe API key protected by including it as an environment variable
// or in a private script that does not publicly expose the source code.

// This is your test secret API key.
$stripeSecretKey = 'sk_test_51MqG2jBbneKn9awSabftRMnZeMxZZZsBO6uOAP1RFzeY6we3FLCF1yM3pcuwZycYQE5GJAzEDKf9fierGVHL48yS00UbfOkJbT';


<?php
//webhook.php
require_once '../vendor/autoload.php';
require_once '../secrets.php';
require('./include/config.php');

StripeStripe::setApiKey($stripeSecretKey);
// Replace this endpoint secret with your endpoint's unique secret
// If you are testing with the CLI, find the secret by running 'stripe listen'
// If you are using an endpoint defined with the API or dashboard, look in your webhook settings
// at https://dashboard.stripe.com/webhooks
$endpoint_secret = 'whsec_oolku8vdsvyWii1aL5xEffkFMMZH6z6P';

$payload = @file_get_contents('php://input');
$event = null;

try {
  $event = StripeEvent::constructFrom(
    json_decode($payload, true)
  );
} catch(UnexpectedValueException $e) {
  // Invalid payload
  echo '⚠️  Webhook error while parsing basic request.';
  http_response_code(400);
  exit();
}
if ($endpoint_secret) {
  // Only verify the event if there is an endpoint secret defined
  // Otherwise use the basic decoded event
  $sig_header = $_SERVER['HTTP_STRIPE_SIGNATURE'];
  try {
    $event = StripeWebhook::constructEvent(
      $payload, $sig_header, $endpoint_secret
    );
  } catch(StripeExceptionSignatureVerificationException $e) {
    // Invalid signature
    echo '⚠️  Webhook error while validating signature.';
    http_response_code(400);
    exit();
  }
}

$id = $event->data->object->id;
$amount = $event->data->object->amount_captured;
$currency = $event->data->object->currency;
$cus_email = $event->data->object->receipt_email;
$name = $event->data->object->billing_details->name;

// Handle the event
switch ($event->type) {
  case 'payment_intent.succeeded':
    $paymentIntent = $event->data->object; // contains a StripePaymentIntent
    // Then define and call a method to handle the successful payment intent.
    // handlePaymentIntentSucceeded($paymentIntent);
    break;
  case 'payment_method.attached':
    $paymentMethod = $event->data->object; // contains a StripePaymentMethod
    // Then define and call a method to handle the successful attachment of a PaymentMethod.
    // handlePaymentMethodAttached($paymentMethod);
    break;
  case 'charge.succeeded':
    // $paymentMethod = $event->data->object; // contains a StripePaymentMethod
    // Then define and call a method to handle the successful attachment of a PaymentMethod.

    // mysqli_query($con, "INSERT INTO tbl_chargeSuccess (txn_id, amount, currency) VALUES ($id, $amount, $currency)");
    $stmt = $con->prepare("INSERT INTO tbl_chargeSuccess (txn_id, amount, currency, cus_email, name) VALUES (?, ?, ?, ?, ?)");
    $stmt->bind_param("sdsss", $id, $amount, $currency, $cus_email, $name);
    $stmt->execute();
    if (!$stmt) {
      # code...
      echo 'There was an error'.mysqli_error($con);
    }    
    $stmt->close();
    $con->close();
    // handlePaymentMethodAttached($paymentMethod);
    break;

  default:
    // Unexpected event type
    error_log('Received unknown event type');
}

http_response_code(200);