addressbook/templates/admin/users_edit.html.php

<?php include dirname(path: __DIR__) . '/_header.html.php'; ?>

<form method="POST">
    <input type="hidden" name="id" value="<?= $editUser->getId() ?>">

    <label for="nick">Username</label>
    <input type="text" name="nick" id="nick" value="<?= $editUser->getNick() ?>" maxlength="20" required>
    <br>

    <label for="new_password">Password (leave empty to keep the current one)</label>
    <input type="password" name="new_password" id="new_password" maxlength="40">
    <br>

    <label for="first">First</label>
    <input type="text" name="first" id="first" value="<?= $editUser->getFirst() ?>" maxlength="40" required>
    <br>

    <label for="last">Last</label>
    <input type="text" name="last" id="last" value="<?= $editUser->getLast() ?>" maxlength="40" required>
    <br>

    <label for="is_admin">Is Admin</label>
    <input type="checkbox" name="is_admin" id="is_admin" <?= $editUser->isAdmin()?'checked':'' ?>>
    <br>

    <!-- maybe later -->
    <!-- <input type="hidden" name="_csrf" value="csrf_token" -->
    <input type="submit" value="Save">
</form>

<?php include dirname(path: __DIR__) . '/_footer.html.php' ?>