class DataBaseQuery{

  function connect(){
    $db      = "something_de";
    $db_host = "something.de.mysql";
    $db_user = "something_de";
    $db_pass = "secret";
    $charset = "utf8";
    try {
      $DB = new PDO("mysql:host=".$db_host.";dbname=".$db.";charset=".$charset.";", $db_user, $db_pass,array(PDO::ATTR_ERRMODE => PDO::ERRMODE_WARNING));
    } catch (PDOException $e) {
      die("MySQL Verbindungsfehler.".$e->getMessage());
    }
    return $DB;
  }

  function doQuery($sql){
    $db = $this->connect();
    $result = $db->query($sql);
    return $result;
  }

  function escape($string){
    $db = $this->connect();
    $string = $db->quote($string);
    return $string;
  }

  function fetch($result){
     $db = $this->connect();
     if ($result != false) {
       $row = $result->fetch(PDO::FETCH_ASSOC);
     } else {
      // die("Fehlschlag.");
       $row = null;
     }
    return $row;
  }

}