<?php
class upsTrack {
    var $AccessLicenseNumber;  
    var $UserId;  
    var $Password;
    var $credentials;

    /**********************************************
     * $access = XML Access Code
     * $user = UPS.com Username
     * $password = UPS.com Password
     *
     **********************************************/
    function __construct($access,$user,$pass) {
	$this->AccessLicenseNumber = $access;
	$this->UserID = $user;
	$this->Password = $pass;	
	$this->credentials = 1;
    }

    function getTrack($trackingNumber) {
	if ($this->credentials != 1) {
		print 'Please set your credentials';
		die();
	}
	
        $data ="<?xml version=\"1.0\"?>
    	<AccessRequest xml:lang='en-US'>
    	    <AccessLicenseNumber>$this->AccessLicenseNumber</AccessLicenseNumber>
    	    <UserId>$this->UserID</UserId>
    	    <Password>$this->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;
    }

}
?>