<?php

class MySQL {
    var $db_host;
    var $db_user;
    var $db_pwd;
    var $db_name;
	var $queries = 0;
	var $connections = 0;
	var $linki;

    function set($db_host, $db_user, $db_pwd, $db_name)
    {
        $this->db_host = $db_host;
        $this->db_user = $db_user;
        $this->db_pwd = $db_pwd;
        $this->db_name = $db_name;
    } 

    function connect()
    { 
        // connect to mysql
        $this->linki = mysql_connect($this->db_host, $this->db_user, $this->db_pwd)
        or die("Could not connect to mysql server"); 
        // connect to the database
        mysql_select_db($this->db_name, $this->linki)
        or die("Database: database not found"); 
       $this->connections++;
        // return $db_link for other functions
        //return $linki;
    } 

    function query($sql)
    { 
        //echo $sql . "<br>";
        if (!isset($this->linki)) {
        	$this->connect();
        }
        $result = mysql_query($sql, $this->linki)
        or die("Invalid query: " . mysql_error()); 
        // used for other functions
        $this->queries++;
        return $result;
    } 

    function fetch_array($result)
    { 
        // create an array called $row
        $row = mysql_fetch_array($result); 
        // return the array $row or false if none found
        return $row;
    }

    function escape($string) {
      return mysql_real_escape_string($string,$this->linki);
    }
    
    function fetch_assoc($result)
    { 
        // create an array called $row
        $row = mysql_fetch_assoc($result); 
        // return the array $row or false if none found
        return $row;
    }  

//    function fetch_row($result)
//    { 
//        // create an array called $row
//        $row = mysql_fetch_row($result); 
//        // return the array $row or false if none found
//        return $row;
//    } 

    function num_rows($result)
    { 
        // determine row count
        $num_rows = mysql_num_rows($result); 
        // return the row count or false if none foune
        return $num_rows;
    } 

    function insert_id()
    { 
        // connect to the database
        //$link = $this->connect(); 
        // Get the ID generated from the previous INSERT operation
        $last_id = mysql_insert_id($this->linki); 
        // return last ID
        return $last_id;
    } 

    function num_fields($result)
    {
        $result = mysql_num_fields($result);
        return $result;
    } 

//    function field_name($result, $index)
//    { 
//        // query with the return of $result
//        $result = mysql_field_name($result, $index);
//        return $result;
//    } 
//
//    function tablename($result, $index)
//    { 
//        // query with the return of $result
//        $result = mysql_tablename($result, $index);
//        return $result;
//    } 
//
//    function list_tables($dbase)
//    {
//        $result = mysql_list_tables($dbase);
//        return $result;
//    } 
} 

?>