在项目开发中，有时我们需要知道远程的URL地址是否能访问正常，判断其正常与否后进行下一步的操作，那么在PHP中如何获取远程HTTP的状态呢
逐风整理了两种方式，大家可以自行参考/使用：
复制代码 代码如下:
#方式一
$ch = curl_init('https://www.jb51.net');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_exec($ch);
echo curl_getinfo($ch, CURLINFO_HTTP_CODE); // 200
curl_close($ch);
方式二
复制代码 代码如下:
print_r(
get_headers('http://www.baidu.com')
);
#返回以下内容：
/*
Array
(
[0] => HTTP/1.1 200 OK
[1] => Date: Sun, 04 May 2014 03:43:04 GMT
[2] => Content-Type: text/html; charset=utf-8
[3] => Connection: Close
[4] => Vary: Accept-Encoding
[5] => Set-Cookie: BAIDUID=4977AF4FB1E9A5D13C79939E28D92161:FG=1; expires=Thu, 31-Dec-37 23:55:55 GMT; max-age=2147483647; path=https://www.jb51.net/; domain=.baidu.com
[6] => Set-Cookie: BDSVRTM=0; path=https://www.jb51.net/
[7] => Set-Cookie: H_PS_PSSID=4681_1465_5224_6023_4759_6018_6257_6313_6328_6269; path=https://www.jb51.net/; domain=.baidu.com
[8] => P3P: CP=" OTI DSP COR IVA OUR IND COM "
[9] => Cache-Control: private
[10] => Expires: Sun, 04 May 2014 03:42:09 GMT
[11] => X-Powered-By: HPHP
[12] => Server: BWS/1.1
[13] => BDPAGETYPE: 1
[14] => BDQID: 0x9acb602d00001922
[15] => BDUSERID: 0
)
*/
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