<?php
include "../core/config.php";
$partner = file_get_contents("LIST URL");

$result = $db->query("SELECT Username FROM users WHERE Username = '$partner'");
    if ($result->num_rows > 0) {

      echo "Username already in database";

  } else {

  	$query = $db->query("INSERT INTO users (Username) VALUES ('$partner')");
  }

?>