Ошибка от cURL: # 3: & lt; url & gt; бесформенный

Когда отладка включена, я тестирую платежи с помощью sandbox.paypal.com, чтобы проверить, когда платеж сделан, он должен обновить пользователя, но вместо этого, когда у меня была отладка, я получаю эту ошибку.
Ошибка от cURL: # 3: неправильно сформировано

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Скрипт для обработки IPN

<?phpdefine("IN_MYBB", 1);

require_once "./inc/init.php";

$email = '[email protected]'; // the email debug emails are sent to
$sandbox = '.sandbox'; // set to .sandbox if you want to use sandbox
$debugging = 1; // set to 1 to receive emails

if($debugging)
my_mail($email, "IPN NOTIFICATION #1", "Debugging only.");

// The following part of the code comes mainly from PayPal's sample
// Quoting the comments:
// "reading posted data from directly from $_POST causes serialization
// issues with array data in POST
// reading raw POST data from input stream instead."//
// Possible explanation(?): http://stackoverflow.com/a/14008214
$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'
$req = 'cmd=_notify-validate';
foreach ($myPost as $key => $value) {
$value = urlencode($value);
$req .= "&$key=$value";
}

$ch = curl_init('https://www'.$sandbox.'.paypal.com/cgi-bin/webscr');
curl_setopt($ch, CURLOPT_URL,$url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $req);
curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type: application/x-www-form-urlencoded", 'Connection: Close', 'User-Agent: Mozilla/5.0 (Windows NT 6.3; rv:36.0) Gecko/20100101 Firefox/36.0', "Content-Length: " . strlen($req)));
curl_setopt($ch, CURLOPT_HEADER , 0);
curl_setopt($ch, CURLOPT_VERBOSE, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, TRUE);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_FORBID_REUSE, 1);
curl_setopt($ch, CURLOPT_TIMEOUT, 30);if(!($curl_result = curl_exec($ch)))
{
if($debugging)
{
$cInfo = curl_getinfo($ch);
my_mail($email, "IPN ERROR #1", "Error from cURL: #".curl_errno($ch).': ' . curl_error($ch)."\n\n".implode("\n", $cInfo));
}
curl_close($ch);
exit;
}
curl_close($ch);

if (strcmp($res, "VERIFIED") == 0)
{
$address_city = $db->escape_string($_POST['address_city']);
$address_country = $db->escape_string($_POST['address_country']);
$address_country_code = $db->escape_string($_POST['address_country_code']);
$address_name = $db->escape_string($_POST['address_name']);
$address_state = $db->escape_string($_POST['address_state']);
$address_status = $db->escape_string($_POST['address_status']);
$address_street = $db->escape_string($_POST['address_street']);
$address_zip = $db->escape_string($_POST['address_zip']);
$first_name = $db->escape_string($_POST['first_name']);
$last_name = $db->escape_string($_POST['last_name']);
$payer_business_name = $db->escape_string($_POST['payer_business_name']);
$payer_email = $db->escape_string($_POST['payer_email']);
$payer_id = $db->escape_string($_POST['payer_id']);
$payer_status = $db->escape_string($_POST['payer_status']);
$residence_country = $db->escape_string($_POST['residence_country']);
$business = $db->escape_string($_POST['business']);
// subscription name
$item_name = $db->escape_string($_POST['item_name']);
// subscription id
$item_number = intval($_POST['item_number']);
$quantity = $db->escape_string($_POST['quantity']);
$receiver_email = $db->escape_string($_POST['receiver_email']);
$receiver_id = $db->escape_string($_POST['receiver_id']);
// user id
$custom = intval($_POST['custom']);
$invoice = $db->escape_string($_POST['invoice']);
$memo = $db->escape_string($_POST['memo']);
$option_name1 = $db->escape_string($_POST['option_name1']);
$option_name2 = $db->escape_string($_POST['option_name2']);
$option_selection1 = $db->escape_string($_POST['option_selection1']);
$option_selection2 = $db->escape_string($_POST['option_selection2']);
$tax = $db->escape_string($_POST['tax']);
$auth_id = $db->escape_string($_POST['auth_id']);
$auth_exp = $db->escape_string($_POST['auth_exp']);
$auth_amount = $db->escape_string($_POST['auth_amount']);
$auth_status = $db->escape_string($_POST['auth_status']);
$mc_gross = $db->escape_string($_POST['mc_gross']);
$mc_handling = $db->escape_string($_POST['mc_handling']);
$mc_shipping = $db->escape_string($_POST['mc_shipping']);
$num_cart_items = $db->escape_string($_POST['num_cart_items']);
$parent_txn_id = $db->escape_string($_POST['parent_txn_id']);
$payment_date = $db->escape_string($_POST['payment_date']);
$payment_status = $db->escape_string($_POST['payment_status']);
$payment_type = $db->escape_string($_POST['payment_type']);
$pending_reason = $db->escape_string($_POST['pending_reason']);
$reason_code = $db->escape_string($_POST['reason_code']);
$remaining_settle = $db->escape_string($_POST['remaining_settle']);
$transaction_entity = $db->escape_string($_POST['transaction_entity']);
$txn_id = $db->escape_string($_POST['txn_id']);
$txn_type = $db->escape_string($_POST['txn_type']);
$exchange_rate = $db->escape_string($_POST['exchange_rate']);
$mc_currency = $db->escape_string($_POST['mc_currency']);
$mc_fee = $db->escape_string($_POST['mc_fee']);
$payment_fee = $db->escape_string($_POST['payment_fee']);
$payment_gross = $db->escape_string($_POST['payment_gross']);
$settle_amount = $db->escape_string($_POST['settle_amount']);
$settle_currency = $db->escape_string($_POST['settle_currency']);
$for_auction = $db->escape_string($_POST['for_auction']);
$auction_buyer_id = $db->escape_string($_POST['auction_buyer_id']);
$auction_closing_date = $db->escape_string($_POST['auction_closing_date']);
$auction_multi_item = $db->escape_string($_POST['auction_multi_item']);
$subscr_date = $db->escape_string($_POST['subscr_date']);
$subscr_effective = $db->escape_string($_POST['subscr_effective']);
$period1 = $db->escape_string($_POST['period1']);
$period2 = $db->escape_string($_POST['period2']);
$period3 = $db->escape_string($_POST['period3']);
$amount1 = $db->escape_string($_POST['amount1']);
$amount2 = $db->escape_string($_POST['amount2']);
$amount3 = $db->escape_string($_POST['amount3']);
$mc_amount1 = $db->escape_string($_POST['mc_amount1']);
$mc_amount2 = $db->escape_string($_POST['mc_amount2']);
$mc_amount3 = $db->escape_string($_POST['mc_amount3']);
$recurring = $db->escape_string($_POST['recurring']);
$reattempt = $db->escape_string($_POST['reattempt']);
$retry_at = $db->escape_string($_POST['retry_at']);
$recur_times = $db->escape_string($_POST['recur_times']);
$username = $db->escape_string($_POST['username']);
$password = $db->escape_string($_POST['password']);
$subscr_id = $db->escape_string($_POST['subscr_id']);
$case_id = $db->escape_string($_POST['case_id']);
$case_type = $db->escape_string($_POST['case_type']);
$case_creation_date = $db->escape_string($_POST['case_creation_date']);
$notify_version = $db->escape_string($_POST['notify_version']);
$verify_sign = $db->escape_string($_POST['verify_sign']);

if ($debugging)
my_mail($email, "IPN NOTIFICATION #2", "Debugging only.");

$valid = true;

$lang->load("mysubscriptions");

// does the user exist?
$user = get_user(intval($custom));
if (empty($user))
{
if ($debugging)
my_mail($email, "IPN - Subscription Invalid #1", "\nInvalid user.\n");
}
else {
// verify if subscription exists
$query = $db->simple_select('mysubscriptions_subscriptions', '*', 'sid=\''.$item_number.'\''); // check sid
$sub = $db->fetch_array($query);
if (!$sub)
{
if ($debugging)
my_mail($email, "IPN - Subscription Invalid #2", "\nInvalid subscription\nItem Number:".$item_number."\nItem Name:".$item_name);
$valid = false;
}

if ($debugging)
my_mail($email, "IPN - Validation", "\nis valid: ".intval($valid));

$additional = $sub['additional'];
$endgroup = intval($user['usergroup']);
$uname = $db->escape_string($user['username']);

$query = $db->query("INSERT INTO `".TABLE_PREFIX."mysubscriptions_log` values (
'NULL',
'$uname',
'$custom',
'$additional',
'$item_number',
'$endgroup',
'$receiver_email',
'$receiver_id',
'$business',
'$item_name',
'$item_number',
'$quantity',
'$invoice',
'$option_name1',
'$option_selection1',
'$option_name2',
'$option_selection2',
'$payment_type',
'$payment_status',
'$pending_reason',
'$reason_code',
'$payment_date',
'$settle_amount',
'$settle_currency',
'$exchange_rate',
'$payment_gross',
'$payment_fee',
'$mc_gross',
'$mc_fee',
'$mc_currency',
'$mc_handling',
'$mc_shipping',
'$tax',
'$txn_id',
'$txn_type',
'$for_auction',
'$auction_buyer_id',
'$auction_closing_date',
'$auction_multi_item',
'$first_name',
'$last_name',
'$address_name',
'$address_street',
'$address_city',
'$address_state',
'$address_zip',
'$address_country',
'$address_country_code',
'$address_status',
'$payer_business_name',
'$payer_email',
'$payer_id',
'$payer_status',
'$residence_country',
'$memo',
'$subscr_date',
'$subscr_effective',
'$period1',
'$period2',
'$period3',
'$amount1',
'$amount2',
'$amount3',
'$mc_amount1',
'$mc_amount2',
'$mc_amount3',
'$recurring',
'$reattempt',
'$retry_at',
'$recur_times',
'$username',
'$password',
'$subscr_id',
'$auth_id',
'$auth_exp',
'$auth_amount',
'$auth_status',
'$transaction_entity',
'$remaining_settle',
'$parent_txn_id',
'$case_id',
'$case_type',
'$case_creation_date',
'$notify_version',
'$verify_sign',
'".TIME_NOW."',
'0',
'0')");

if ($debugging)
my_mail($email, "IPN VERIFICATION", "\npayment_status: {$payment_status}\nmc_gross: {$mc_gross}\nsub['price']: {$sub['price']}\nreceiver_email: {$receiver_email}\nmybb->settings['mysubscriptions_paypal_email']: {$mybb->settings['mysubscriptions_paypal_email']}\nmc_currency: {$mc_currency}\nmybb->settings['mysubscriptions_paypal_currency']: {$mybb->settings['mysubscriptions_paypal_currency']}\n\n");

if ($sub['enabled'] == 1 && $valid === true && $payment_status == "Completed" && $mc_gross == $sub['price'] && $receiver_email == $mybb->settings['mysubscriptions_paypal_email'] && $mc_currency == $mybb->settings['mysubscriptions_paypal_currency']) // now is the time!
{
if ($sub['additional'])
join_usergroup($custom, $sub['group']);
else
$db->update_query('users', array('usergroup' => $sub['group']), 'uid=\''.$custom.'\'');

// send PM to subscriber
if ($debugging)
my_mail($email, "IPN Success", "\n Verified IPN $txn_type  Transaction, sending PM.\n \n $postipn\n");

if($sub['message'] == '')
{
$sub['message'] = $lang->sprintf($lang->mysubscriptions_success_message, $sub['title']);
}

mysubscriptions_send_pm(array('receivepms' => 1, 'subject' => $lang->mysubscriptions_success_title, 'message' => $sub['message'], 'touid' => $custom), 1);
mysubscriptions_send_pm(array('receivepms' => 1, 'subject' => $lang->mysubscriptions_success_title_admin, 'message' => $lang->sprintf($lang->mysubscriptions_success_message_admin, $sub['title']), 'touid' => 1), $custom);
}

// If Refuned or Reversed, lets make sure the user gets "unsubscribed"if($payment_status == "Refunded" || $payment_status == "Reversed")
{
$query = $db->simple_select('mysubscriptions_log', '*', 'payment_status=\'Completed\' AND sid=\''.$item_number.'\' AND uid='.$custom, array('order_by' => 'timestamp', 'order_dir' => 'desc'));
$sub = $db->fetch_array($query);
if(!$sub)
{
if ($debugging)
my_mail($email, "IPN - Subscription Invalid", "\nInvalid subscription (Refuned/Reversed)\n");
}
else{
if ($sub['additional'])
leave_usergroup($custom, $sub['group']);
else
$db->update_query('users', array('usergroup' => $sub['endgroup']), 'uid=\''.$custom.'\'');
}
}

// End of time, get user out of the usergroup
if($txn_type == "subscr_eot")
{
$query = $db->simple_select('mysubscriptions_log', '*', 'sid=\''.$item_number.'\'');
$sublog = $db->fetch_array($query);
if (!$sublog)
{
if ($debugging)
my_mail($email, "IPN - Subscription Log Invalid", "\nInvalid subscription log (End of Time)\n");
}

if ($sublog['additional'])
{
$query = $db->simple_select('mysubscriptions_subscriptions', '*', 'sid=\''.$item_number.'\'');
$sub = $db->fetch_array($query);
if (!$sub)
{
if ($debugging)
my_mail($email, "IPN - Subscription Invalid", "\nInvalid subscription (End of Time)\n");
}

leave_usergroup($custom, $sub['group']);
}
else
{
$query = $db->query("UPDATE ".TABLE_PREFIX."users SET usergroup='".$sublog['endgroup']."' WHERE uid='".$custom."'");
}
}

// We're not using any trials here so subscr_signup = subscr_payment, do nothing for this one since we've done it for the other
if($txn_type == "subscr_payment")
{
// do nothing here
}
}
}
else
{
// Invalid
if ($debugging)
my_mail($errormail, "IPN ERROR 2", "IPN transaction was invalid.");
}

exit;

?>