<?php

function connect() {
  mysql_connect("127.0.0.1", "root", "root");
  mysql_select_db("realmd");
}

function login ($user, $pass) {
  session_regenerate_id();
  session_register("user", $user);
  session_register("pass", $pass);
}

function prihlaseny() {
  $user = mysql_escape_string($_SESSION["user"]);
  $pass = $_SESSION["pass"];

  $rsrc_login = mysql_query("SELECT * FROM `account` WHERE `username`='$user' and `sha_pass_hash`='$pass'");
  if(mysql_num_rows($rsrc_login) != 0) {
    return true;
  } else {
    return false;
  }
}

function logout(){
  session_unset();
}

connect();
if(isset($_GET["logout"])) {
  logout();
  header("Location: index.php");
  die();
}


?>