这篇文章将为大家详细讲解有关如何获php取请求url时响应的报头信息,文章内容质量较高,因此小编分享给大家做个参考,希望大家阅读完这篇文章后对相关知识有一定的了解。

php获取请求url时响应的报头信息的方法:1、取url的时候,创建名为【$http_response_header】的变量来保存http响应的报头;2、使用fopen打开数据流信息,用【stream_get_meta_data】获取。

php获取请求url时响应的报头信息的方法:

1、用file_get_contents或者fopenfilereadfile等函数读取url的时候,会创建一个名 为$http_response_header的变量来保存http响应的报头.

示例代码一:

<?php $url = 'http://www.baidu.com'; $html = file_get_contents($url); print_r($http_response_header); //输出结果 Array( [0] => 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 ) ?>

2、使用fopen等函数打开的数据流信息可以用 stream_get_meta_data来获取。

示例代码二:

<?php $fp = fopen($url, 'r'); print_r(stream_get_meta_data($fp)); fclose($fp); //输出结果 Array ( [wrapper_data] => 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] => ) ?>

3、get_headers()也可以获取请求url的响应报文。

示例代码三:

<?php print_r(get_headers($url)); Array ( [0] => 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 ) ?>


关于如何获php取请求url时响应的报头信息就分享到这里了,希望以上内容可以对大家有一定的帮助,可以学到更多知识。如果觉得文章不错,可以把它分享出去让更多的人看到。