实现bing搜索工具urlAPI提交

JSON request sample: 

POST /webmaster/api.svc/json/SubmitUrlbatch?apikey=sampleapikeyEDECC1EA4AE341CC8B6 HTTP/1.1
Content-Type: application/json; charset=utf-8
Host: ssl.bing.com

{
"siteUrl":"http://yoursite.com",
"urlList":[
"http://yoursite.com/url1",
"http://yoursite.com/url2",
"http://yoursite.com/url3"
]
}

JSON response sample:

HTTP/1.1 200 OK
Content-Length: 10
Content-Type: application/json; charset=utf-8

{
"d":null
}

官网给的例子是这样，怎么用php实现？