<?php
    session_start();
    class Database
    {
        private $host="localhost";
        private $username="root";
        private $password="";
        private $db_name="pdoz";
        public $conn;
        public function dbConnection()
        {
            $this->conn=null;
            try
            {
                $this->conn=new PDO("mysql:host=".$this->host.";dbname=".$this->db_name,$this->username,$this->password);
                $this->conn->setAttribute(PDO::ATTR_ERRMODE,PDO::ERRMODE_EXCEPTION);
            }catch(PDOException $error)
            {
                print_r($error->getMessage());
            }
            return $this->conn;
        }
    }
?>