Koneksi ke Database

koneksi.php

<?php
$ip = "localhost";
$username = "pma"; // default xampp "root"
$password = "admin123"; // default xampp ""
$database = "belajar";

$conn = new mysqli($ip,$username,$password,$database);
if ($conn->connect_errno) {
    echo "Failed to connect to MySQL: " . $conn->connect_error;
    exit();
}
?>

query.php

<?php
include "koneksi.php";

// Buat Query
$sql = "SELECT * FROM user";
$query = $conn->query($sql);

// Looping Data
while($row = $query->fetch_array()){
    echo $row['nama']." (".$row['alamat'].") - JK:".$row['jenis_kelamin'];
    echo "<br />";
}
?>