oauth_bingtts.php

<?php
/* 
 * This file is not affected by the license mentioned in the LICENSE file.
 *
 * Source code from http://msdn.microsoft.com/en-us/library/hh454950.aspx
 *
 */

error_reporting(E_ALL ^ E_NOTICE);

class AccessTokenAuthentication {
    /*
     * Get the access token.
     *
     * @param string $grantType    Grant type.
     * @param string $scopeUrl     Application Scope URL.
     * @param string $clientID     Application client ID.
     * @param string $clientSecret Application client ID.
     * @param string $authUrl      Oauth Url.
     *
     * @return string.
     */
    function getTokens($grantType, $scopeUrl, $clientID, $clientSecret, $authUrl){
        try {
            //Initialize the Curl Session.
            $ch = curl_init();
            //Create the request Array.
            $paramArr = array (
                 'grant_type'    => $grantType,
                 'scope'         => $scopeUrl,
                 'client_id'     => $clientID,
                 'client_secret' => $clientSecret
            );
            //Create an Http Query.//
            $paramArr = http_build_query($paramArr);
            //Set the Curl URL.
            curl_setopt($ch, CURLOPT_URL, $authUrl);
            //Set HTTP POST Request.
            curl_setopt($ch, CURLOPT_POST, TRUE);
            //Set data to POST in HTTP "POST" Operation.
            curl_setopt($ch, CURLOPT_POSTFIELDS, $paramArr);
            //CURLOPT_RETURNTRANSFER- TRUE to return the transfer as a string of the return value of curl_exec().
            curl_setopt ($ch, CURLOPT_RETURNTRANSFER, TRUE);
            //CURLOPT_SSL_VERIFYPEER- Set FALSE to stop cURL from verifying the peer's certificate.
            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
            //Execute the  cURL session.
            $strResponse = curl_exec($ch);
            //Get the Error Code returned by Curl.
            $curlErrno = curl_errno($ch);
            if($curlErrno){
                $curlError = curl_error($ch);
                throw new Exception($curlError);
            }
            //Close the Curl Session.
            curl_close($ch);
            //Decode the returned JSON string.
            $objResponse = json_decode($strResponse);
            if ($objResponse->error){
                throw new Exception($objResponse->error_description);
            }
            return $objResponse->access_token;
        } catch (Exception $e) {
            echo "Exception-".$e->getMessage();
        }
    }
}

try {
    //Client ID of the application.
    $clientID     = $argv[1];
    //Client Secret key of the application.
    $clientSecret = $argv[2];
    //OAuth Url.
    $authUrl      = "https://datamarket.accesscontrol.windows.net/v2/OAuth2-13/";
    //Application Scope Url
    $scopeUrl     = "http://api.microsofttranslator.com";
    //Application grant type
    $grantType    = "client_credentials";

    //Create the AccessTokenAuthentication object.
    $authObj      = new AccessTokenAuthentication();
    //Get the Access token.
    $accessToken  = $authObj->getTokens($grantType, $scopeUrl, $clientID, $clientSecret, $authUrl);
	print_r ($accessToken);
} catch (Exception $e) {
    echo "Exception: " . $e->getMessage() . PHP_EOL;
}