DB koneksi php

<?php
    // connect ke database
    $DB_HOST = "192.168.64.2";
    $DB_DATABASE = "sekolahku";
    $DB_USERNAME = "puguh";
    $DB_PASSWORD = "123";
    $DB_PORT = "3306";

    // create connection
    $conn = new mysqli($DB_HOST, $DB_USERNAME, $DB_PASSWORD, $DB_DATABASE, $DB_PORT);

    // check connection
    if($conn->connect_error) {
        die('Connection failed:' .$conn->connect_error);
    }