<?php
// func to track shipment on UPS legacy XML API
function upsTrack($trackingNumber) {
$data ="<?xml version=\"1.0\"?>
        <AccessRequest xml:lang='en-US'>
                <AccessLicenseNumber>ACCESSNUMBER</AccessLicenseNumber>
                <UserId>USERNAME</UserId>
                <Password>PASSWORD</Password>
        </AccessRequest>
        <?xml version=\"1.0\"?>
        <TrackRequest>
                <Request>
                        <TransactionReference>
                                <CustomerContext>
                                        <InternalKey>blah</InternalKey>
                                </CustomerContext>
                                <XpciVersion>1.0</XpciVersion>
                        </TransactionReference>
                        <RequestAction>Track</RequestAction>
                </Request>
        <TrackingNumber>$trackingNumber</TrackingNumber>
        </TrackRequest>";
$ch = curl_init("https://www.ups.com/ups.app/xml/Track");
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch,CURLOPT_POST,1);
curl_setopt($ch,CURLOPT_TIMEOUT, 60);
curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
curl_setopt ($ch, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt ($ch, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($ch,CURLOPT_POSTFIELDS,$data);
$result=curl_exec ($ch);
// echo '<!-- '. $result. ' -->';
$data = strstr($result, '<?');
$xml_parser = xml_parser_create();
xml_parse_into_struct($xml_parser, $data, $vals, $index);
xml_parser_free($xml_parser);
$params = array();
$level = array();
foreach ($vals as $xml_elem) {
 if ($xml_elem['type'] == 'open') {
if (array_key_exists('attributes',$xml_elem)) {
         list($level[$xml_elem['level']],$extra) = array_values($xml_elem['attributes']);
} else {
         $level[$xml_elem['level']] = $xml_elem['tag'];
}
 }
 if ($xml_elem['type'] == 'complete') {
$start_level = 1;
$php_stmt = '$params';
while($start_level < $xml_elem['level']) {
         $php_stmt .= '[$level['.$start_level.']]';
         $start_level++;
}
$php_stmt .= '[$xml_elem[\'tag\']] = $xml_elem[\'value\'];';
eval($php_stmt);
 }
}
curl_close($ch);
return $params;
}
?>