DbConnect

<?php

    class DbConnect{

        private $con;

        function __construct(){

        }

        function connect(){
            include_once dirname(__FILE__).'/Constants.php';
            $this->con = new mysqli(DB_HOST, DB_USER, DB_PASSWORD, DB_NAME);

            if(mysqli_connect_errno()){
                echo "Failed to connect with database".mysqli_connect_err();
            }

            return $this->con;
        }
    }