upsTrack.php

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

    /**********************************************
     * $access = XML Access Code
     * $user = UPS.com Username
     * $password = UPS.com Password
     *
     **********************************************/
    function __construct($access,$user,$pass) {
	if($access=="")
		throw new Exception("Empty XML Access Code");
	elseif($user=="")
		throw new Exception("Empty Username");
	elseif($pass=="")
		throw new Exception("Empty Password");
	else {
		$this->AccessLicenseNumber = $access;
		$this->UserID = $user;
		$this->Password = $pass;	
		$this->credentials = 1;
	}
    }

    function getTrack($trackingNumber) {
	if(!$this->isOnline())
		throw new Exception("The UPS service seems to be down with HTTP/1.1 $value");
        
	$ch = curl_init("https://www.ups.com/ups.app/xml/Track");
        curl_setopt($ch, CURLOPT_HEADER, 1);
        curl_setopt($ch,CURLOPT_POST,1);
        curl_setopt($ch,CURLOPT_TIMEOUT, 15);
        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,$this->getXML($trackingNumber));
        $result = curl_exec ($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);
	$this->xmlResponse = $params;
	$this->isSuccessful = 1;
        return $params;
    }

    function getXML($trackingNumber) {
	$data ="<?xml version=\"1.0\"?>
    	<AccessRequest xml:lang='en-US'>
    	    <AccessLicenseNumber>$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>";
	return $data;
    }
       
    function isOnline() {

        $ch = curl_init("https://www.ups.com/ups.app/xml/Track");
        curl_setopt($ch, CURLOPT_HEADER, 1);
        curl_setopt($ch,CURLOPT_TIMEOUT, 15);
        curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
        curl_setopt ($ch, CURLOPT_SSL_VERIFYPEER, 0);
        curl_setopt ($ch, CURLOPT_SSL_VERIFYHOST, 0);
        $result = curl_exec ($ch);
        curl_close($ch);
	// Find out if the service is down
	preg_match_all('/HTTP\/1\.\d\s(\d+)/',$result,$matches);
	foreach($matches[1] as $key=>$value) {
	    if ($value == 100 || $value == 200) {
		return true;
		break;
	    }
	}
	return false;
    }
    
    function getDeliveryDate() {
	if ($this->isSuccessful != 1) {
	    throw new Exception('Last response from UPS was not ran or not successful, please run getTrack() again');
	}
	return $this->xmlResponse['TRACKRESPONSE']['SHIPMENT']['SCHEDULEDDELIVERYDATE'];	
    }

    function getPickupDate() {
	if ($this->isSuccessful != 1) {
	    throw new Exception('Last response from UPS was not ran or not successful, please run getTrack() again');
	}
	return $this->xmlResponse['TRACKRESPONSE']['SHIPMENT']['PICKUPDATE'];	
    }

}
?>