Ray built paypal listener page insert doesn't work anymore code. Does anything look wrong?

<?php require_once('Connections/connsqli.php'); ?>
<?php require_once('webassist/mysqli/queryobj.php'); ?>
<?php
 
// 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
 
$ch = curl_init('https://ipnpb.paypal.com/cgi-bin/webscr');
curl_setopt($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
    $txn_id = $_POST['txn_id'];
	$first_name = $_POST['first_name'];
	$last_name = $_POST['last_name'];
    $payer_email = $_POST['payer_email'];
	$address_street = $_POST['address_street'];
	$address_city = $_POST['address_city'];
	$address_state = $_POST['address_state'];
	$address_zip = $_POST['address_zip'];
    $item_name = $_POST['item_name'];
    $quantity = $_POST['quantity'];
    $payment_amount = $_POST['mc_gross'];
	$mc_fee = $_POST['mc_fee'];
	$mc_shipping = $_POST['mc_shipping'];


    // <---- HERE you can do your INSERT to the database
if (true) {
  $InsertQuery = new WA_MySQLi_Query($connsqli);
  $InsertQuery->Action = "insert";
  $InsertQuery->Table = "paypal_transactions";
  $InsertQuery->bindColumn("transaction_ID", "i", "txn_id", "WA_DEFAULT");
  $InsertQuery->bindColumn("first_name", "s", "first_name", "WA_DEFAULT");
  $InsertQuery->bindColumn("last_name", "s", "last_name", "WA_DEFAULT");
  $InsertQuery->bindColumn("email1", "s", "payer_email", "WA_DEFAULT");
  $InsertQuery->bindColumn("address_street", "s", "address_street", "WA_DEFAULT");
  $InsertQuery->bindColumn("city", "s", "address_city", "WA_DEFAULT");
  $InsertQuery->bindColumn("state", "s", "address_state", "WA_DEFAULT");
  $InsertQuery->bindColumn("zip", "s", "address_zip", "WA_DEFAULT");
  $InsertQuery->bindColumn("item_name", "s", "item_name", "WA_DEFAULT");
  $InsertQuery->bindColumn("quantity", "s", "quantity", "WA_DEFAULT");
  $InsertQuery->bindColumn("payment_gross", "s", "mc_gross", "WA_DEFAULT");
  $InsertQuery->bindColumn("mc_shipping", "s", "mc_shipping", "WA_DEFAULT");
  $InsertQuery->bindColumn("payment_fee", "s", "mc_fee", "WA_DEFAULT");
  $InsertQuery->saveInSession("");
  $InsertQuery->execute();
  $InsertGoTo = "";
  if (function_exists("rel2abs")) $InsertGoTo = $InsertGoTo?rel2abs($InsertGoTo,dirname(__FILE__)):"";
  $InsertQuery->redirect($InsertGoTo);
}
} else if (strcmp ($res, "INVALID") == 0) {
    // log for manual investigation
}