如何获取一个ip地址的HTTP状态码？

[bluefan117]

如题。
比如一个url='www.google.com',php中如何获取其的HTTP状态码，200表示正常，404表示不存在。

[fxs_2008]

用ajax
或xmlhttp

[laruence]

curl
fopen
`wget`
fsockopen

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[sunfan1010]

I don't think its possible, just had a look around the HTTP and Apache functions in the PHP manual and can't find anything. only can get the HTTP status code of the current page in PHP with $_SERVER['REDIRECT_STATUS'] .so you can use fopen("http://www.example.com/", "r");