perbaikan dari saya

<?php
require_once ('core/init.php');
require_once ('function/user.php');

$result = tampil();
//print_r($result);
?>



<link rel="stylesheet" type="text/css" href="style.css">

<h1>[EKSTRAKULIKULER]</h1>
<a href ="add.php">Tambah Data</a>
<br>
<div id="head">
    <div class ="col-3">
    Nama
    </div>

    <div class ="col-3">
    Password
    </div>

    <div class ="col-3">
    Umur
    </div>
</div>

<div class ="clear"></div>

<?php while($row = mysqli_fetch_assoc($result)) { ?>

<div id ="body">
    <div class ="col-3">
    <?php echo $row['nama']; ?></div>

    <div class ="col-3">
    <?php echo $row['password']; ?></div>

    <div class ="col-3">
    <?php echo $row['umur']; ?></div>

    <div class ="col-3">
        <a href ="delete.php?id=<?php echo $row['id']; ?>">Hapus</a></div>
    <div class ="col-3">
        <a href ="#">Edit</a></div>

    <?php } //endwhile ?>

    </div>