This script is a demo on how to use LocationAPI.org's Mobile Triangulation API v1.

Unwired Labs API v1 example.php

<?php

/*
 * Sample script to test Unwired Labs API v1 - DEPRECATED
 * 
 * Created: 20th July, 2013 
 * Author: Unwired Labs
 *
 */

//URL of our API
$url = "http://us1.unwiredlabs.com/process.php"; //defined in includes.php
//Parameters to pass. Replace with your token and your cell tower data
$qry_str = "?token=your_token&mcc=310&mnc=410&lac=7033&cid=17811";

//Initialize cURL
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url . $qry_str);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_TIMEOUT, '3');

$response = trim(curl_exec($ch));
if (curl_errno($ch)) {
    exit(curl_error($ch));
}

curl_close($ch);

$response = substr($response, strpos($response, "{"));

$data = json_decode($response, true); //converts response into array

//If there wasn't a "status" array key, something's wrong with the response
if (!isset($data['status']))
	exit("Uh oh, it didn't work well. Is the API url correct?");

//If it returned an error message, exit & print the error
if ($data['status'] != "ok")
	exit("Whoops, there was an error: '{$data['message']}'");

//Everything's fine so far, so print the latitude & longitude.    
echo "Lat: " . strval($data['lat']) . " Lon: " . strval($data['lon']);

?>