get_headers是获取http头信息,get_meta_tags是获取网页的description,abstract,keywords等信息.
- */
- $url='http://www.phpfensi.com'; //定义url
- print_r(get_headers($url)); //无格式获取
- print_r(get_headers($url,1)); //带上格式获取
- /*
- array
- (
- [0] => http/1.1 200 ok
- [1] => connection: close
- [2] => date: sat, 11 dec 2010 05:43:46 gmt
- [3] => content-length: 69617
- [4] => content-type: text/html
- [5] => content-location: http://www.phpfensi.com/index.html
- [6] => last-modified: sat, 11 dec 2010 05:19:51 gmt
- [7] => accept-ranges: bytes
- [8] => etag: "e8be4b9f398cb1:6c66"
- [9] => server: microsoft-iis/6.0
- [10] => x-powered-by: asp.net
- )
- array
- (
- [0] => http/1.1 200 ok
- [connection] => close
- [date] => sat, 11 dec 2010 05:43:47 gmt
- [content-length] => 69617
- [content-type] => text/html
- [content-location] => http://www.phpfensi.com/index.html
- [last-modified] => sat, 11 dec 2010 05:19:51 gmt
- [accept-ranges] => bytes
- [etag] => "e8be4b9f398cb1:6c66"
- [server] => microsoft-iis/6.0
- [x-powered-by] => asp.net
- )
- get_meta_tags($url);
- 获取指定网页的description,abstract,keywords等信息
- */
- $tags=get_meta_tags('http://www.phpfensi.com/'); //提取meta标签
- print_r($tags) //输出数组全部内容
- /*
- array
- (
- [description] => 网页制作教程网提供专业网页设计教程与网页制作教程包括有photoshop教程,flash,html,css教程,dreamweaver,fireworks,asp,php教程,jsp教程,asp.net,网站建设,网站开发,网页特效,平面设计,个人网站,网页素材
- [abstract] => 提供最新的网页制作教程、网页设计教程、网页特效,为个人网站提供网页素材模板和网页视频学习。
- [keywords] => 网页设计教程,网页制作教程,网页学习,photoshop,flash,html,css,dreamweaver,fireworks,asp,php,jsp,asp.net,网页特效,平面设计,网页素材
- )
注意:使用该函数需要把 php.ini里面的allow_url_fopen = on,才能使用.
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波比源码 » php get_headers 与get_meta_tags函数实例
波比源码 » php get_headers 与get_meta_tags函数实例
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