<?php/* How to use: Save the above code as dao4.php, such as Test Validatecode.rar in the site http://www.niuzen.com, then use the following code to indicate the download connection. File name?site=1& file= files such as the following URLs. Copy to your site try Http://www.coolcodes.cn/dao4.php?site=1&file=validatecode.rar above code test available */$ Admin[defaulturl] = "http://www.163.com/404.htm";//Hotlinking returns the address $okaysites = Array ("http://www.163.com/", "http://163.com "); Whitelist $ADMIN [Url_1] = "http://www.163.com/download/";//download location 1$admin[url_2] = "";//download location 2, etc. $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 [ Defaulturl] ");}} else {header ("Location: $ADMIN [Defaulturl]");}?>
Detailed Description: http://php.662p.com/thread-456-1-1.html
Anti-theft chain PHP code