CAKE_PHP_TERRITORY/app/templates/element/header.php

<?php
/**
 * @var \App\View\AppView $this
 */

use Cake\Core\Configure;

$apps = Configure::read('Apps', []);
?>
<header class="site-header">
    <nav class="site-nav">
        <div class="site-nav-brand">
            <?= $this->Html->link(
                '<span>Territory</span>',
                '/',
                ['escapeTitle' => false]
            ) ?>
        </div>

        <ul class="site-nav-links">
            <li><?= $this->Html->link('Home', '/') ?></li>
            <li><?= $this->Html->link('Territories', ['controller' => 'Territories', 'action' => 'index']) ?></li>
        </ul>

        <?php if (!empty($apps)): ?>
        <div class="site-app-switcher">
            <button type="button" class="site-app-switcher-toggle" aria-haspopup="true" aria-expanded="false">
                Apps <span class="caret">&#9662;</span>
            </button>
            <ul class="site-app-switcher-menu">
                <?php foreach ($apps as $app): ?>
                    <li><?= $this->Html->link($app['label'], $app['url']) ?></li>
                <?php endforeach; ?>
            </ul>
        </div>
        <?php endif; ?>
    </nav>
</header>