<?

$currentdomain = $_SERVER['SERVER_NAME'];

// db settings
$mysql_host = "localhost";
$mysql_user = "doncroce_doncroc";
$mysql_pass = "";
$mysql_db = "doncroce_external";

$link = mysql_connect($mysql_host, $mysql_user, $mysql_pass);
mysql_select_db($mysql_db, $link);

$query = "SELECT appid FROM external WHERE (page_url, '".$currentdomain."')";
$appid = mysql_query($query,$link) or die(mysql_error($link));

echo $appid;

?>