Php伪静态化页面的实现

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<?php
/*
功能：PHP伪静态化页面的实现
具体用法:
例如链接为:test.php/year/2006/action/_add.html
mod_rewrite();
$yearn=$_GET[\"year\"];//结果为\'2006\'
$action=$_GET[\"action\"];//结果为\'_add\'

*/
function mod_rewrite(){
global $_GET;
$nav=$_SERVER[\"REQUEST_URI\"];
$script_name=$_SERVER[\"SCRIPT_NAME\"];
$nav=substr(ereg_replace(\"^$script_name\",\"\",urldecode($nav)),1);
$nav=preg_replace(\"/^.ht(m){1}(l){0,1}$/\",\"\",$nav);//这句是去掉尾部的.html或.htm
$vars = explode(\"/\",$nav);
for($i=0;$i<Count($vars);$i+=2){
$_GET[\"$vars[$i]\"]=$vars[$i+1];
}
return $_GET;
}
>