<?php
    $db_host = '127.0.0.1';
    $db_name = 'students';
    $db_user = 'root';
    $db_pass = '';

    $db = new PDO('mysql:host='.$db_host.';dbname='.$db_name.';', $db_user, $db_pass);

    $db->exec("SET NAMES utf-8");