Helper.class.php

<?php
    class Helper {

        /**
          * dbConnect()
          * returns object of PDO class
        **/
        static function dbConnect() {
            require_once('..\config.php');
            $dbPdo = new PDO( 'mysql:host=127.0.0.1;dbname=simplecoffee', 'root', '', array(PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES utf8") );
            return $dbPdo;
        }
    }
?>