Bing Translator Code

{
$clientID = "XXX";
//Client Secret key of the application.
$clientSecret = "XXX";
//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);
// Create the authorization Header string.
$authHeader = "Authorization: Bearer ". $accessToken;
// Set the parameters.
// Sets source language. $fromLanguage = variable, langs[source][0] = name of textarea.
$fromLanguage =$_COOKIE['cookie_source'] ;
// Sets destination language. $toLanguage = variable, dest_lang = name of textarea.
$toLanguage = $_COOKIE['cookie_dest'];
// Sets text to translate. $inputStr = variable, source_text = content of thextarea.
$inputStr = $_COOKIE['cookie_final'];
echo "<script type='text/javascript'>alert('$inputStr');</script>";
$contentType = 'text/plain';
$category = 'general';
// Variable that composes the string of parameters for the transaltion
$paramst = "text=".urlencode($inputStr)."&to=".$toLanguage."&from=".$fromLanguage;
// URL to translate the text
$translateUrl = "http://api.microsofttranslator.com/v2/Http.svc/Translate?$paramst";
//Create the Translator Object.
$translatorObj = new HTTPTranslator();
//Get the curlResponse.
$curlResponse = $translatorObj -> curlRequest($translateUrl, $authHeader);
//Interprets a string of XML into an object.
$xmlObj = simplexml_load_string($curlResponse);
foreach((array)$xmlObj[0] as $val)
{
$translatedStr = $val;
}
$scrivi=utf8_decode($translatedStr);
$translatedText = urlencode($translatedStr);
$scrivi2=utf8_decode($translatedText);
if (isset($inputStr)== true){
echo "<script type='text/javascript'>alert('e piena');</script>";
echo "<script type='text/javascript'>alert(.$translatedText);</script>";
echo "<script type='text/javascript'>alert('.$translatedText');</script>";
echo "<script type='text/javascript'>alert('.$translatedStr');</script>";
echo "<script type='text/javascript'>alert(.$translatedStr);</script>";
}
}
catch (Exception $e)
{
echo "Exception: ".$e->getMessage().PHP_EOL;
}