case_study_14.php

<?php

$users = [
    [
        'id'   => 1,
        'name' => 'Adimas Lutfi Wicaksono',
    ],
    [
        'id'   => 2,
        'name' => 'Salman Alfarisi',
    ],
    [
        'id'   => 3,
        'name' => 'Muhammad Sholeh',
    ],
];

$users_new = [
    [
        'id'   => 4,
        'name' => 'Yadi Cahyadi',
    ],
    [
        'id'   => 5,
        'name' => 'Maya Maulani',
    ],
];

$user = array_merge($users, $users_new);

print_r($user);