<?php
include("connection.php");

$mypass = $_POST['pass'];
$user = $_POST['user'];

$sql = $dbh->prepare("SELECT pass FROM `users` WHERE user=?");
$dbh->beginTransaction();
$sql->execute(array($user));
$dbh->commit();

$pass = $sql->fetch();
$pass = $pass[0];

if($pass == crypt($mypass, $pass)) { echo "Lyckades"; } else { echo "Fail"; }
?>