connection.php

<?php
    class connection{

        private $dns;
        private $user;
        private $password;

        function __construct()
        {
            $this->dns = "mysql:host=localhost;dbname=cadastro";
            $this->user = "root";
            $this->password = "";


            $connection = new PDO($this->dns,$this->user,$this->password);
            $connection->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
        }
    }

?>