$vcap_services = $_ENV["VCAP_SERVICES"];
$services_json = json_decode($vcap_services,true);
$sqldb = $services_json["sqldb"];
if (empty($sqldb))
{
    echo "No sqldb service instance bound. Please bind a sqldb
service instance before";
    return;
}

$sqldb_config = $services_json["sqldb"][0]["credentials"];

$database = 'SQLDB';
$user = 'username';
$password = 'password';
$hostname = 'host';
$port = '50000';

$conn_string = "DRIVER={IBM DB2 ODBC DRIVER};DATABASE=$database;" .
"HOSTNAME=$hostname;PORT=$port;PROTOCOL=TCPIP;UID=$user;PWD=
$password;";
echo $conn_string;
$conn = db2_connect($conn_string, '', '');
echo "never gets here ";
if (!$conn)
{
    print "SQLSTATE value: " . db2_conn_error();
}
echo "never gets here either ";