+1 added rep m8,

Code: 
//jomasaco's code
$siteurl = $_POST['siteurl']; //need be in http  
$siteurl = parse_url(trim($siteurl)); //remove spaces split the url 
$siteurl= $siteurl['host']; //get host 
$ururl = xtremeddl.net

//jomasaco's code
$connect = mysql_connect ("localhost", "", "") or die ('Connection Fail!');

mysql_select_db("xtremedd_wcddl", $connect) or die ('lol');

$x = mysql_query("select count(*) from wcddl_whitelist where url = ".trim($sitename)"");
if ($x==1)
{
  die ("Already Whitelisted");
}
elseif ($x==0)
{
  //curl_part to retrieve content from the said sitename & chk for link back 
  if(linkback($sitename,$ururl)==true)
  {
    $add = mysql_query("INSERT INTO wcddl_whitelist VALUES ('".$sitename."')");
    echo "Whitelisted!"
  }
  else
  {
    die('No Link Back');
  }
}
function linkback($link, $ururl)  
{  
    $ch = curl_init($link);  
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);  
    curl_setopt($ch, CURLOPT_HEADER, 0);  
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);  
    curl_setopt($ch, CURLOPT_USERAGENT, 'Opera/9.80 (Windows NT 5.1; U; en) Presto/2.7.62 Version/11.01');  
    $page = curl_exec($ch);  
    curl_close($ch); 
    if (strpos($page,ururl)===false) 
      return false; 
    else 
      return true 
}
i thinnk dis wot u mean on line 6? added $ururl = xtremeddl.net ???????????

srry ima noob with php.

error: