#方式一 $ch = curl_init('http://www.1sucai.cn'); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_exec($ch); echo curl_getinfo($ch, CURLINFO_HTTP_CODE); // 200 curl_close($ch);

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=/; domain=.baidu.com    [6] => Set-Cookie: BDSVRTM=0; path=/    [7] => Set-Cookie: H_PS_PSSID=4681_1465_5224_6023_4759_6018_6257_6313_6328_6269; path=/; 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    )    */