<?php final class Conn { public static $host; public static $username; public static $password; public static $database; public static function get_connection() { static $conn; if ($conn === NULL) { $conn = mysqli_connect(self::$host, self::$username, self::$password) or die("Could not connect. " . mysqli_error()); if (!mysqli_select_db($conn, self::$database)) { $baza = Conn::$database; mysqli_query($conn, "CREATE DATABASE IF NOT EXISTS {$baza}") or die("Could not create database. " . mysqli_error()); mysqli_select_db($conn, self::$database); } } return $conn; } private function __construct() { } } Conn::$host = "localhost"; Conn::$username = "******"; Conn::$password = ""; Conn::$database = "rotarydb";