class Join
{
  private $serverServer;
  private $serverUser;
  private $serverPass;
  private $db;

  public function setLoginfo($server,$user,$pass,$db)
  {
    $this->serverServer = $server;
    $this->serverUser = $user;
    $this->serverPass = $pass;
    $this->db = $db;
  }
  public function pripoj()
  {
    $connectID=mysql_connect($this->serverServer,$this->serverUser,$this->serverPass) or die("spojeni se nepodarilo");  //server, uzivatel, heslo
    mysql_select_db($this->db, $connectID) or die("vybrani databaze se nepodarilo");  //jmeno databaze
  }
}

$pripojeni = new Join;

if ($_SERVER["SERVER_ADDR"] == "127.0.0.1"){
  $pripojeni->setLoginfo("127.0.0.1","root","heslo","d4fed");
  $pripojeni->pripoj(); }
else{
  $pripojeni->setLoginfo("*****","*****","*****","*****"); //server webu
  $pripojeni->pripoj();}