[mw_shl_code=php,true]error_reporting(0);
$id = $_GET[id];
if($id < 3){
$content = file_get_contents('b.txt');
$f = fopen('var_'.$id.'.html','w');
if($f){
fwrite($f,$content);
}
fclose($f);
$id++;
echo " *本站禁止HTML标签噢* location.href='a.php?id=".$id."'</script>";
}
[/mw_shl_code]
随便写的，让你找找思路，莫喷。