Simple PHP CURL XML for querying ServiceNow Incidents

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<?php
include("../common.inc.php"); // Contains definitions for INSTANCE, USER, PASS

$query=urlencode('active=true^stateNOT IN6,^priorityIN1,2'); // Active, NOT Resolved, Hi Priority INC

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, 'https://'.INSTANCE.'.service-now.com/incident_list.do?XML&useUnloadFormat=true&sysparm_query='.$query);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
curl_setopt($ch, CURLOPT_USERPWD, USER.':'.PASS);
$data = curl_exec($ch);
curl_close($ch);

$inc = new SimpleXMLElement($data);
echo"<table border=0 cellpadding=3 cellspacing=0>";
foreach($inc->incident as $v) {
        echo "<tr><td>".$v->number."<td>".$v->priority."<td>".$v->short_description."<td>".$v->u_portfolio[display_value];
}
echo"</table>";
echo count($inc);
?>