API поиска Bing и Azure для поиска по ключевым словам

Я использую этот код, но он выдает ошибку.
исключение «Exception» с сообщением «Bad Response:

https://api.datamarket.azure.com/Bing/SearchWeb/Web?$ = Формат JSON& Запрос =% 27LNCT + Группа + из + Колледжи +% 3A% 3A + Самый большой + Образование + Группа + в + Центральная + Индия% 27 ‘в C: \ xampp \ htdocs \ bing \ BingSearch.php: 114

Трассировки стека:
# 0 C: \ xampp \ htdocs \ bing \ BingSearch.php (88): BingSearch-> getJSON (‘https: //api.dat…’, Массив)

# 1 C: \ xampp \ htdocs \ bing \ BingSearch.php (40): BingSearch-> query (‘Web’, ‘LNCT Group of C …’)

# 2 C: \ xampp \ htdocs \ bing \ example.php (19): BingSearch-> queryWeb (‘LNCT Group of C …’)

# 3 {main}

один файл — Example.php

/*
* sample example code for BingSearch.php class
* @author Daniel Boorn [email protected]
* @license apache 2.0
* @bingapiurl https://datamarket.azure.com/dataset/bing/search#schema
*/


ini_set('display_errors','1');
require('BingSearch.php');

//register for key on windows azure

$apiKey = 'XXXXXXXXXXXXXXXXXXXXXXXXXXXXX';
$bing = new BingSearch($apiKey);

$r = $bing->queryWeb('LNCT Group of Colleges :: Largest Education Group in Central India');
var_dump($r);
?>
Another file is BingSearch.php

<?php

class BingSearch{

protected $apiKey = '';
protected $apiRoot = 'https://api.datamarket.azure.com/Bing/SearchWeb/';

public function BingSearch($apiKey=false){
if($apiKey) $this->apiKey = $apiKey;
if($this->apiKey=="") throw new Exception("API Key Required");
}

public function queryImage($query){
return $this->query('Image',$query);
}


public function queryWeb($query){
return $this->query('Web',$query);
}


public function queryVideo($query){
return $this->query('Video',$query);
}


public function queryNews($query){
return $this->query('News',$query);
}

public function queryRelatedSearch($query){
return $this->query('RelatedSearch',$query);
}


public function querySpellingSuggestions($query){
return $this->query('SpellingSuggestions',$query);
}


public function query($type,$query){
if(!is_array($query)) $query = array('Query'=>"'{$query}'");
try{
return self::getJSON("{$this->apiRoot}{$type}",$query);
}catch(Exception $e){
die("<pre>{$e}</pre>");
}

}


protected function getJSON($url,$data){
if(!is_array($data)) throw new Exception("Query Data Not Valid. Type Array Required");
//$data['$format'] = 'json';
$url .= '?$format=json&' . http_build_query($data) ;
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
curl_setopt($ch, CURLOPT_USERPWD,  "$this->apiKey:$this->apiKey");
curl_setopt($ch, CURLOPT_TIMEOUT, 30);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
$r = curl_exec($ch);
$json = json_decode($r);

if($json==null) throw new Exception("Bad Response: {$r}\n\n{$url}");
return $json;
}


}