<?php
    class db {
        public static function getconnection() {
            $servername = "";
            $username = "";
            $password = "";
            $database = "";
            $connect = null;
            try {
                $connect = new PDO("mysql:host=".$servername.";dbname=".$database, $username, $password);
            }
            catch(PDOException $e) {
                echo $sql . "<br>" . $e->getMessage();
            }
            return $connect;
        }
    }
?>