dbc.inc.php

<?php
     class Dbh{
        private $servername;
        private $username;
        private $password;
        private $dbname;
        private $charset;


        protected function connect()
        {
            $this->servername="localhost";
            $this->username="root";
            $this->password="";
            $this->dbname="mysqlioop";
            $this->charset="utf8mb4";

            try {
                    $dsn ="mysql:host=".$this->servername.";dbname =".$this->dbname.";charset =" .$this->charset;

                    $pdo = new PDO($dsn,$this->username,$this->password);
                    $pdo->setAttribute(PDO::ATTR_ERRMODE,PDO::ERRMODE_EXCEPTION);

                    return $pdo;

            } catch (PDOException $e) {
                echo "Connection failed".$e->getMessage();

            }



        }

     }

 ?>