Código PHP:
$id = intval($_GET['down_id']);
if($id > 0) {
include($_SERVER['DOCUMENT_ROOT'].'/wp-config.php');
$con=mysql_connect(DB_HOST, DB_USER, DB_PASSWORD);
mysql_select_db(DB_NAME,$con);
$file = mysql_query("SELECT id, date, link, permissions FROM $table_prefix"."dm_downloads WHERE id='$id'",$con);
if(!$file) {
header('HTTP/1.0 404 Not Found');
header('Refresh: 4; URL='.$_SERVER['PHP_SELF']);
exit(__('Invalid File ID.', 'downloads-manager'));
} else {
$file = mysql_fetch_array($file);
mysql_query("UPDATE $table_prefix"."dm_downloads SET clicks = clicks + 1 WHERE id = '$id'",$con);
header("Location:$file[link]");die();
}
mysql_close($con);
}