class db_connect{
	public $db_host = "localhost";
	public $db_user = "katalog";
	public $db_table = "katalog";
	public $db_pass = "parika825";

	public function __construct(){

	mysql_connect($this->db_host, $this->db_user, $this->db_pass) or die("Не могу соединиться с MySQL.");
	mysql_select_db($this->db_table) or die("Не могу подключиться к базе.");
	}
}
$con = new db_connect();