mysql 2 array class

<?php
  include("./inc/class.mysql.php");
 
  $db = new CDb;
 
  $db->connect("localhost", "root", "");
 
  $db->check_error();
 
  $db->select_db("test");
  $db->check_error();
 
  $query = "Select name, plz from daten";
 
  $result = $db->query($query);
 
  $db->check_error();
 
  $data = $db->to_array($result);
 
  if ($data !== false)
     print_r($data);
?>

<?
  /********************************************************************
   *
   * File:              class.mysql.php
   *
   * Kurzbeschreibung:  Eine Klasse zum MySQL-Handling
   *
   * Erstellungsdatum:  17.01.2004
   *
   * Letzte Änderung:
   *
   * Autor:             bandit
   *
   * Copyright 2004 by bandit
   *
   ********************************************************************/
 
   class CDb
   {
     var $connection;
     //---------------------------------------------------------------
     function Db()
     {
        $this->connection = 0;
     }
     //---------------------------------------------------------------
     function connect($hostName, $userName, $pw)
     {
       $this->connection = @mysql_connect($hostName, $userName, $pw);
       return $this->connection;
     }
     //---------------------------------------------------------------
     function connect_db($hostName, $userName, $pw, $db_name)
     {
       $this->connection = @mysql_connect($hostName, $userName, $pw);
       if ($this->connection)
       {
          $value = mysql_select_db($db_name, $this->connection);
          if ($value == false)
          {
             $this->db_close($this->connection);
             $this->connection = 0;
          }
       }
       return $this->connection;
     }
     //---------------------------------------------------------------
     function db_close()
     {
        if ($this->connection)
        {
           mysql_close($this->connection);
           $this->connection = 0;
        }
     }
     //---------------------------------------------------------------
     function select_db($dbName)
     {
        $result = false;
        if ($this->connection)
           $result = mysql_select_db($dbName, $this->connection);
        return $result;
     }
     //---------------------------------------------------------------
     function query($query="")
     {
        $result = false;
        if (strlen ($query) && $this->connection)
             $result = @mysql_query ($query);
        return $result;
     }
     //---------------------------------------------------------------
     function num_fields($value=0)
     {
        $result = 0;
        if ($this->connection && $value)
           $result = @mysql_num_fields ($value);
         return $result;
     }
     //---------------------------------------------------------------
     function num_rows($value)
     {
        $result = 0;
        if ($this->connection && $value)
           $result = @mysql_num_rows ($value);
         return $result;
     }
     //---------------------------------------------------------------
     function has_error()
     {
       $result = true;
       if ($this->connection)
         $result = @mysql_errno();
       return $result;
     }
     //---------------------------------------------------------------
     function error_text()
     {
       $result = false;
       if ($this->connection)
         $result = @mysql_error();
       return $result;
     }
     //---------------------------------------------------------------
     function data_seek($value=0, $position=-1)
     {
       $result = false;
 
       if ($value && $position >= 0 && $this->connection)
         $result = mysql_data_seek($value, $position);
       return $result;
     }
     //---------------------------------------------------------------
     function fetch_array($value=0)
     {
       $result = false;
       if ($value && $this->connection)
         $result =  @mysql_fetch_array($value);
       return $result;
     }
     //---------------------------------------------------------------
     function to_array($value=0)
     {
       $result = false;
       if ($value && mysql_num_rows($value))
       {
          $result = array();
 
          $key = 0;
          while ($row = mysql_fetch_assoc($value))
          {
              $keys   = array_keys($row);
              $values = array_values($row);
 
              for ($i = 0; $i < count($keys); $i++)
              {
                 $result[$key][$keys[$i]] = $values[$i];
              }
              $key++;
          }
       }
       return $result;
     }
     //---------------------------------------------------------------
     function fetch_object($value=0)
     {
       $result = false;
       if ($value && $this->connection)
         $result =  @mysql_fetch_object($value);
       return $result;
     }
 
     //---------------------------------------------------------------
     function result($value=0, $num=-1)
     {
       $result = false;
       if ($value && $num >= 0 && $this->connection)
          $result =  @mysql_result($value, $num);
       return $result;
     }
     //---------------------------------------------------------------
     function inserted_id()
     {
       $result = false;
       if ($this->connection)
         $result = mysql_insert_id();
       return $result;
     }
     //---------------------------------------------------------------
     function free_query($query)
     {
       $result = false;
       if ($this->connection)
         $result = mysql_free_query ($query);
       return $result;
     }
     //---------------------------------------------------------------
     function check_error()
     {
       if ($this->connection)
       {
         if (mysql_errno ())
           die ("Datenbankfehler: " . mysql_error());
       }
     }
 }
?>