<?php

class DBConnect {

    public function connect() {

        // credentials
        $host = "host";
        $database = "database";
        $username = "username";
        $password = 'password';
        $charset = 'utf8mb4';

        // connection and error handling
        try {
            $dbc = new PDO("mysql:host=$host; dbname=$database; charset=$charset", $username, $password);
        } catch( PDOException $error ) {
            die("ERROR: " . $error->getMessage());
        }

    }

}

require "php/dbc.php";

$dbc = new DBConnect();
$dbc->connect();