<?php

class Database
{
   private static $_dbUser = 'root';
   private static $_dbPass = '';
   private static $_dbDB = 'filestatus';
   private static $_dbHost = 'localhost';
   private static $_connection = null;

   /**
    * Constructor
    * prevents new Object creation
    */

   private function __construct(){}

   /**
    * Get Database connection
    *
    * @return Mysqli
    */

   public static function getConnection() {
        if (self::$_connection===null)
	    {
			self::$_connection = new mysqli(self::$_dbHost, self::$_dbUser, self::$_dbPass, self::$_dbDB);

			if (self::$_connection -> connect_error)
			{
					die('Connect Error: ' . self::$_connection->connect_error);
			}
        }
        return self::$_connection;
   }
}