goatoh_training_server/auth_user.php

<?php

require_once './db_connection.php';

require_once './modules/user.mod.php';


$id = $_GET['id'];
$pass = $_GET['pass'];

$user = User :: find ($id);

if ($user -> pass === $pass)
  echo implode (',', [$user -> name]);
else
  echo 'error';