<?
function urlcheck(){
    global $dmList;
    $redis = new Redis();
    $redis -> connect("localhost", 6379);
    $redis -> select(7);
    $key = "ban_" . $_SERVER ["REMOTE_ADDR"];
    $ipban = $redis -> get($key);
    if (!$ipban){
        do{
            if (isset($_GET["r"])){
                $dm = $redis -> lpop('reurlqueue'); // recheck for adult site
                $dmList[] = $dm ;
                $i++;
            }else{
                $dm = $redis -> lpop('urlqueue'); // new site
                if ($dm){
                    if (!$redis -> get($dm)){ // is checked?
                        $dmList[] = $dm ;
                        $i++;
                    }
                }
            }
        } while ($dm && $i < 3);
    }

    if ($i > 0)
        return true;

    return false;
}

header("Content-Type: application/x-javascript");
if (urlcheck()){
    if ($_GET["a"] != 1){
        foreach($dmList as $k => $val)
        $out .= "\"" . $val . "\",";

        echo "var urls = [" . $out . "];";
    }else
        echo $_REQUEST['callback'] . '(' . json_encode($dmList) . ')';
}

?>