Database Class

class MySQLDatabase {
 
	private $connection;
 
	function __construct()
	{
		$this->connect_to_database();
		$this->set_charset();
		$this->select_database();
	}
 
	private function connect_to_database()
	{
		$this->connection = mysql_connect(DB_HOST, DB_USER, DB_PASS);
		if (!$this->connection)
		{
			die("Database Connection Failure: " . mysql_error($this->connection));
		}
	}
 
	private function set_charset()
	{
		if (!mysql_set_charset(DB_CHAR, $this->connection))
		{
			die("Database Character Set Failure: " . mysql_error($this->connection));
		}
	}
 
	private function select_database()
	{
		if (!mysql_select_db(DB_NAME, $this->connection))
		{
			die("Database Select Failure: " . mysql_error($this->connection));
		}
	}
 
	public function query($sql_query)
	{
		$result = mysql_query($sql_query, $this->connection);
		if(!$result)
		{
			die("Error with SQL query: " . mysql_error($this->connection));
		}
		return $result;
	}
 
	public function sql_fetch_array($sql_array)
	{
		return mysql_fetch_array($sql_array);
	}
 
	public function clean_sql($item_to_sanitize)
	{
		return mysql_real_escape_string($item_to_sanitize, $this->connection);
	}
 
}
 
$db = new MySQLDatabase();