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The example of RSS
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PHP利用RSS订阅别处文章

Jun 13, 2016 am 11:34 AM
php rss xml use based on operate document article yes of subscription

 这篇文章是接上篇利用PHP操作XML文件的。RSS是基于XML的一种形式,它的具体规范如下(我们以截取的新浪RSS订阅频道的格式来看):

输入:http://rss.sina.com.cn/news/world/focus15.xml 查看页面源码就可以看到RSS的结构:





<br> <br>

<br> <br>
http://news.sina.com.cn/world
/tech/UploadPic/2012-12/20121222153257335.gif




http://news.sina.com.cn/491/2008/0827/1.html
zh-cn
WWW.SINA.COM.CN
5



Sat, 22 Dec 2012 05:32:05 GMT




<br> <br>
http://go.rss.sina.com.cn/redirect.php?url=http://news.sina.com.cn/w/2012-12-22/120825871683.shtml
WWW.SINA.COM.CN
http://go.rss.sina.com.cn/redirect.php?url=http://news.sina.com.cn/w/2012-12-22/120825871683.shtml



Sat, 22 Dec 2012 04:08:09 GMT



虽然这次投票在法律上不具备约束力,但是人权活动分子说,每两年举行一次的表决,是向那些依然保留死刑的国家发出的强烈信号,这些数量在逐步减少的国家....]]>




具体规范信息是代表什么意思,根据标签的内容我们就可以很容易的知道,下面我们写一个rss.php来读取这个xml,从而获取这上面的文章:

 




XML


$dom = simplexml_load_file("http://rss.sina.com.cn/news/world/focus15.xml");
//var_dump($dom);
?>

The example of RSS





注意这个函数:simplexml_load_file() ; 它既可以读本地的xml文件,也可以读网络上的xml。

运行结果:

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