Error fetching data from database and undefine index

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I'm passing value 13 to processpayment.php, but the function i call does not return any value to $req_que_info.

<a href="processpayment.php?id=13"</a>

processpayment.php?id=13:

include("../include/session.php");
$queue_id=$_GET['id'];
$req_que_info = $database->getQueInfo($queue_id);
$count = count($req_que_info); 
echo $req_que_info['queue_id'];
echo $count;

database.php:

function getQueInfo($queue_id){
   $q = "SELECT * FROM ".TBL_QUEPAY." WHERE queue_id = ?";     
   $stmt = $this->connection->prepare($q);
   $stmt->execute(array($queue_id));
   $dbarray = $stmt->fetchAll();
   return $dbarray;
}

asked 12 secs ago

SaSa

8