使用ngrok通过互联网访问时，PayPal是否会将IPN数据发送到localhost？我用Payza测试了它，它成功发送了IPN数据，我可以将数据插入数据库。但是当用paypal试用时，我没有收到任何数据。 PayPal是否通过互联网使用ngrok发送到localhost？或者，我的代码中还有其他问题吗？
付款后我成功重定向到成功页面，但数据未插入我的数据库中。
的index.php
<!DOCTYPE html>
<html>
<head>
<title>Custom PayPal Test Integration</title>
<meta charset="utf-8">
</head>
<body>
<form action="https://sandbox.paypal.com/cgi-bin/webscr" method="post">
<!-- Identify your business so that you can collect the payments. -->
<input type="hidden" name="business" value="shubhamjha900@gmail.com">
<!-- Specify a Buy Now button. -->
<input type="hidden" name="cmd" value="_xclick">
<!-- Specify details about the item that buyers will purchase. -->
<input type="hidden" name="item_name" value="Test Item">
<input type="hidden" name="item_number" value="12345">
<input type="hidden" name="amount" value="5.50">
<input type="hidden" name="currency_code" value="USD">
<!-- Specify URLs -->
<input type='hidden' name='cancel_return' value='http://229a1c8a.ngrok.io/sites/paypal6/failed.php'>
<input type='hidden' name='return' value='http://229a1c8a.ngrok.io/sites/paypal6/success.php'>
<input type='hidden' name='notify_url' value='http://229a1c8a.ngrok.io/sites/paypal6/ipn.php' />
<!-- Display the payment button. -->
<input type="image" name="submit" border="0"
src="https://www.paypalobjects.com/en_US/i/btn/btn_buynow_LG.gif" alt="PayPal - The safer, easier way to pay online">
<img alt="" border="0" width="1" height="1" src="https://www.paypalobjects.com/en_US/i/scr/pixel.gif" >
</form>
</body>
</html>
ipn.php
<?php
$dbname = "codexworld";
$username = "root";
$password = "";
$dbhost = "localhost";
$dsn = "mysql:dbname=$dbname;host=$dbhost";
$pdo = new PDO($dsn, $username, $password);
$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_WARNING);
// STEP 1: Read POST data
// reading posted data from directly from $_POST causes serialization
// issues with array data in POST
// reading raw POST data from input stream instead.
$raw_post_data = file_get_contents('php://input');
$raw_post_array = explode('&', $raw_post_data);
$myPost = array();
foreach ($raw_post_array as $keyval) {
$keyval = explode ('=', $keyval);
if (count($keyval) == 2)
$myPost[$keyval[0]] = urldecode($keyval[1]);
}
// read the post from PayPal system and add 'cmd'
$req = 'cmd=_notify-validate';
if(function_exists('get_magic_quotes_gpc')) {
$get_magic_quotes_exists = true;
}
foreach ($myPost as $key => $value) {
if($get_magic_quotes_exists == true && get_magic_quotes_gpc() == 1) {
$value = urlencode(stripslashes($value));
} else {
$value = urlencode($value);
}
$req .= "&$key=$value";
}
// STEP 2: Post IPN data back to paypal to validate
$ch = curl_init('https://sandbox.paypal.com/cgi-bin/webscr'); // change to [...]sandbox.paypal[...] when using sandbox to test
curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $req);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
curl_setopt($ch, CURLOPT_FORBID_REUSE, 1);
curl_setopt($ch, CURLOPT_HTTPHEADER, array('Connection: Close'));
// In wamp like environments that do not come bundled with root authority certificates,
// please download 'cacert.pem' from "http://curl.haxx.se/docs/caextract.html" and set the directory path
// of the certificate as shown below.
// curl_setopt($ch, CURLOPT_CAINFO, dirname(__FILE__) . '/cacert.pem');
if( !($res = curl_exec($ch)) ) {
// error_log("Got " . curl_error($ch) . " when processing IPN data");
curl_close($ch);
exit;
}
curl_close($ch);
// STEP 3: Inspect IPN validation result and act accordingly
if (strcmp ($res, "VERIFIED") == 0) {
// check whether the payment_status is Completed
// check that txn_id has not been previously processed
// check that receiver_email is your Primary PayPal email
// check that payment_amount/payment_currency are correct
// process payment
// assign posted variables to local variables
$item_name = $_POST['item_name'];
$item_number = $_POST['item_number'];
$payment_status = $_POST['payment_status'];
if ($_POST['mc_gross'] != NULL)
$payment_amount = $_POST['mc_gross'];
else
$payment_amount = $_POST['mc_gross1'];
$payment_currency = $_POST['mc_currency'];
$txn_id = $_POST['txn_id'];
$receiver_email = $_POST['receiver_email'];
$payer_email = $_POST['payer_email'];
$custom = $_POST['custom'];
$stmt = $pdo->prepare("INSERT INTO payments(user_id)VALUES(1)");
$stmt-> execute();
} else if (strcmp ($res, "INVALID") == 0) {
// log for manual investigation
}
?>
请帮帮我们。几天后我就被困在这上面了。我真的需要实现它并通过。请帮忙!!