How to get the header information of response when requesting url in php-PHP Problem-php.cn

How to get the header information of the response when requesting the url: 1. When fetching the url, create a variable named [$http_response_header] to save the header of the http response; 2. Use fopen to open the data flow information, Use [stream_get_meta_data] to obtain.

How to get the header information of response when requesting url in php

How php gets the header information responded when requesting the url:

1. Usefile_get_contents# When ## orfopen,file,readfileand other functions read the url, a variable named$http_response_headerwill be created. Save the header of the http response.

Sample code one:

 HTTP/1.1 200 OK [1] => Date: Tue, 06 Nov 2012 08:51:01 GMT [2] => Server: BWS/1.0 [3] => Content-Length: 9803 [4] => Content-Type: text/html;charset=gbk [5] => Cache-Control: private [6] => Expires: Tue, 06 Nov 2012 08:51:01 GMT [7] => Set-Cookie: BAIDUID=6635735B51B28640F425F802C49340F2:FG=1; expires=Tue, 06-Nov-42 08:51:01 GMT; path=/; domain=.baidu.com [8] => P3P: CP=" OTI DSP COR IVA OUR IND COM " [9] => Connection: Close ) ?>

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2. Data stream information opened using functions such as fopen can be obtained using

stream_get_meta_data.

Sample code two:

 Array ( [0] => HTTP/1.1 200 OK [1] => Date: Tue, 06 Nov 2012 08:54:22 GMT [2] => Server: BWS/1.0 [3] => Content-Length: 9803 [4] => Content-Type: text/html;charset=gbk [5] => Cache-Control: private [6] => Expires: Tue, 06 Nov 2012 08:54:22 GMT [7] => Set-Cookie: BAIDUID=347578BCBD709F27925BDD8B05364A73:FG=1; expires=Tue, 06-Nov-42 08:54:22 GMT; path=/; domain=.baidu.com [8] => P3P: CP=" OTI DSP COR IVA OUR IND COM " [9] => Connection: Close ) [wrapper_type] => http [stream_type] => tcp_socket [mode] => r [unread_bytes] => 0 [seekable] => [uri] => http://www.baidu.com [timed_out] => [blocked] => 1 [eof] => ) ?>

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get_headers()You can also get the response message of the request url.

Sample code three:

 HTTP/1.1 200 OK [1] => Date: Tue, 06 Nov 2012 08:58:41 GMT [2] => Server: BWS/1.0 [3] => Content-Length: 9803 [4] => Content-Type: text/html;charset=gbk [5] => Cache-Control: private [6] => Expires: Tue, 06 Nov 2012 08:58:41 GMT [7] => Set-Cookie: BAIDUID=87B6F26EEC74F2B8F7FABA934DC6BB24:FG=1; expires=Tue, 06-Nov-42 08:58:41 GMT; path=/; domain=.baidu.com [8] => P3P: CP=" OTI DSP COR IVA OUR IND COM " [9] => Connection: Close ) ?>

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