必应搜索API和Azure进行关键字搜索

我正在使用这段代码，但它给出了错误。异常"异常"，消息为"错误响应："

https://api.datamarket.azure.com/Bing/SearchWeb/Web?$format=json&在C:''examplep''htdocs''bing''BingSearch.php中，查询=%27LNCT+第+组+第+所+学院+%3A%3A+最大+教育+第+集团+在+中部+印度%27'

堆栈跟踪：#0 C:''examplep''htdocs''bing''BingSearch.php（88）：BingSearch->getJSON（'https://api.dat...'，阵列）

#1 C:''examplep''htdocs''bing''BingSearch.php（40）：BingSearch->query（'Web'，'LNCT Group of C.…'）

#2 C:''examplep''htdocs''bing''example.php（19）：BingSearch->queryWeb（'NCT Group of C.…'）

#3｛main｝

其中一个文件是Example.php

/*
 * sample example code for BingSearch.php class
 * @author Daniel Boorn info@rapiddigitalllc.com
 * @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;
    }

}

    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($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
    curl_setopt($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;