A piece of anti-theft PHP code

A piece of anti-theft PHP code & lt ;? Php <br/> $ ADMIN [defaulturl] = "http://www.163.com/404.htm
$ ADMIN [defaulturl] = "http://www.163.com/404.htm"; // address returned by leeching
$ Okaysites = array ("http://www.163.com/", "http://163.com"); // white list
$ ADMIN [url_1] = "http://www.163.com/download/"; // download location 1
$ ADMIN [url_2] = ""; // download location 2, and so on

$ Reffer = $ HTTP_REFERER;
If ($ reffer ){
$ Yes = 0;
While (list ($ domain, $ subarray) = each ($ okaysites )){
If (ereg ($ subarray, "$ reffer ")){
$ Yes = 1;
}
}
$ Theu = "url". "_". "$ site ";
If ($ ADMIN [$ theu] AND $ yes = 1 ){
Header ("Location: $ ADMIN [$ theu]/$ file ");
} Else {
Header ("Location: $ ADMIN [defaurl URL]");
}
} Else {
Header ("Location: $ ADMIN [defaurl URL]");
}

?>

Usage: save the preceding code as dao4.php,
For example, validatecode.rar is used in site http://163.com/download,
Use the following code to download the connection.


File name? Site = 1 & file = file



For example, copy the following URL to your site.


Http://www.163.com/dao4.php? Siteapps1&file=validatecode.rar

The above code is available for testing.