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Homephp教程php手册PHP使用Alexa API获取网站的Alexa排名例子

这篇文章主要介绍了PHP使用Alexa API获取网站的Alexa排名例子,需要的朋友可以参考下

我们通会用Alexa的网站(或其它站长工具网站)来栓查我们的网​站流量排名,这样就必须去那些网站。实际上,可以通过Alexa XML API 获取网站的Alexa相关的数据(XML格式的),再使用XML解析器来解析Alexa返回的XML,得到Alexa排名或其它的数据。

Alexa接口

Alexa的XML API接口是:?cli=10&url=%YOUR_URL%

如果想获取更多的数据可以用:?cli=10&dat=snbamz&url=%YOUR_URL%

用?cli=10&dat=snbamz&url=jb51.net返回的数据如下:

复制代码 代码如下:












其中POPULARITY元素中的TEXT属性的值7552101就是Alexa排名。

代码实现:

用PHP实现通过Alexa API 获取Alexa排名的代码为:

复制代码 代码如下:



function getAlexaRank ($Domain){
     $line = "";
     $data = "";
     $URL = "http://data.alexa.com/data/?cli=10&dat=snba&url=". $Domain ;
     $fp = fopen ($URL ,"r");
     if ($fp ){
           while (!feof ($fp )){
                $line = fgets ($fp );
                $data .= $line ;
           }
           $p= xml_parser_create ();
           xml_parse_into_struct ($p , $data , $vals );
           xml_parser_free ($p );
           for ($i =0 ;$i   if ($vals [$i ]["tag"]=="POPULARITY"){
      return  $vals [$i ]["attributes"]["TEXT"];
  }
    }
      }
}
?>


使用方法:

复制代码 代码如下:


    echo getAlexaRank("jb51.net");
?>

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