<?php
require_once('DESTRUCTOR.php');
/**
* Controls all functionality for database communications.
* Copyright (C) 2005 - Bryan Smith
*/
class MYSQL_DATABASE extends DESTRUCTOR
{
/**
* MySQL Database Object
*
* @var Object
*/
var $DataBase_;
/**
* SQL Query provided by user
*
* @var String
*/
var $Query_;
/**
* Entire Result Set
*
* @var Array
*/
var $Results_ = array();
/**
* Creates connection to database
*
* @param String $Server
* @param String $Name
* @param String $User
* @param String $Password
* @return DATABASE
*/
function MYSQL_DATABASE($Server = 'localhost', $Name = 'root', $User = 'sa', $Password)
{
// Must call for destructor to work.
parent::DESTRUCTOR();
$this->DataBase_ = mysql_connect($Server, $User, $Password);
if (!mysql_select_db($Name, $this->DataBase_))
die(mysql_error());
}
/**
* Executes query and builds array of repsonse.
*
* @param String $SQL
* @param Int $Results
*/
function Query($SQL, $Results = MYSQL_ASSOC)
{
// Clear out old array before populating new results.
$this->Query_ = null;
$this->Query_ = mysql_query($SQL);
$this->GetResults_($Results);
mysql_free_result($this->Query_);
}
/**
* Retrieves a single result record from the MySQL response.
*
* @param Int $Results
* @return Array
*/
function GetResult($Results = null)
{
return mysql_fetch_array($this->Query_, $Results);
}
/**
* Builds an array of all rows from the MySQL response.
*
* @param unknown_type $Results
*/
function GetResults_($Results = null)
{
if (!$this->Query_)
die (mysql_error());
while ($ThisRow = $this->GetResult($Results))
$this->Results_[] = $ThisRow;
}
/**
* Returns an entire record based on array index.
*
* @param Int $Index
* @return Object
*/
function GetRecord($Index)
{
return new DATABASE_RECORD($Index, $this);
}
/**
* Retrives a value specified by array index and associative key.
*
* @param Int $Index
* @param String $Key
* @param String $Default
* @return String
*/
function GetField($Index, $Key, $Default = null)
{
if (!empty($this->Results_[$Index][$Key]))
return trim($this->Results_[$Index][$Key]);
elseif (!empty($this->Results_[0][$Key]))
return trim($this->Results_[0][$Key]);
else
return $Default;
}
/**
* Close MySQL data connection.
*
*/
function __destructor()
{
mysql_close($this->DataBase_);
echo 'HEY!';
}
}
/**
* Retrieves entire row from DATABASE
*
*/
class DATABASE_RECORD
{
var $Index_;
var $Data_;
/**
* Assigns DATABASE reference to current object.
*
* @param Int $Index
* @param Object $Data
* @return DATABASE_RECORD
*/
function DATABASE_RECORD($Index, &$Data)
{
$this->Index_ = $Index;
$this->Data_ = $Data;
}
/**
* Retrives a single field by key.
*
* @param String $Key
* @param String $Default
* @return String
*/
function GetField($Key, $Default = null)
{
return $this->Data_->GetField($this->Index_, $Key, $Default);
}
}
$DataBase = new MQSL_DATABASE(DB_SERVER, DB_NAME, DB_USER, DB_PASSWORD);
?>
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