<?php
// PHP script for proxying requests to the Bing Translate API.
// This allows a client HTML page using Ajax to circumvent the 
// same origin policy.
$url   = "https://api.datamarket.azure.com/Bing/MicrosoftTranslator/v1/Translate";
$key   = "REPLACE WITH ACTUAL API KEY";

// Make sure the caller has given us all the things we need
if ((!isset($_GET['text']))   ||
    (!isset($_GET['to']))     ||
    (!isset($_GET['from'])))
{
    die("key, text, to, and from GET parameters must all be set!");
}

$text    = $_GET['text'];     // The text to translate
$to      = $_GET['to'];       // Language code to translate to
$from    = $_GET['from'];     // Language the text is in

// Add the GET parameters on to the Bing Search API URL
$request  =  $url;
$request .=  "?Text=%27" . urlencode($text) . "%27";
$request .=  "&To=%27" . $to . "%27";
$request .=  "&From=%27" . $from . "%27";
$request .=  "&\$top=1";
$request .=  "&\$format=json";

// Make it so if loaded in a browser it is identified as JSON
header("Content-type: application/json");

// Encode the credentials and create the stream context.
$auth = base64_encode("$key:$key");
$data = array(
    'http' => array(
    'request_fulluri' => true,
    'ignore_errors' => true,
    'header' => "Authorization: Basic $auth")
);

$context = stream_context_create($data);

// Get the response from Bing
$response = file_get_contents($request, 0, $context);

echo $response;

?>