function getAlexaRank ($Domain ="www.wangchao.net.cn")
{
$line = "";
$data = "";
$URL = "http://data.alexa.com/data/?cli=10&dat=snba&ver=7.0&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 <count ($vals );$i ++)
{
if ($vals [$i ]["tag"]=="POPULARITY")
{
return $vals [$i ]["attributes"]["TEXT"];
}
}
}
}