шаг 3 завершен

views/partials/breadcrumbs.php

@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+/** @var array<int, array{title: string, url?: string}> $breadcrumbs */
+?>
+<?php if ($breadcrumbs !== []): ?>
+    <nav class="breadcrumbs" aria-label="Хлебные крошки">
+        <?php foreach ($breadcrumbs as $index => $item): ?>
+            <?php if ($index > 0): ?>
+                <span class="breadcrumbs-separator">/</span>
+            <?php endif; ?>
+
+            <?php if (!empty($item['url']) && $index < count($breadcrumbs) - 1): ?>
+                <a href="<?= e($item['url']) ?>"><?= e($item['title']) ?></a>
+            <?php else: ?>
+                <span><?= e($item['title']) ?></span>
+            <?php endif; ?>
+        <?php endforeach; ?>
+    </nav>
+<?php endif; ?>

views/partials/category-tree.php

@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+/** @var array<int, array<string, mixed>> $items */
+/** @var int $depth */
+?>
+<ul class="category-list depth-<?= e((string) $depth) ?>">
+    <?php foreach ($items as $category): ?>
+        <li>
+            <a href="/catalog/<?= e($category['slug']) ?>"><?= e($category['name']) ?></a>
+            <?php if (!empty($category['children'])): ?>
+                <?php
+                $previousItems = $items;
+                $items = $category['children'];
+                $depth++;
+                require __DIR__ . '/category-tree.php';
+                $depth--;
+                $items = $previousItems;
+                ?>
+            <?php endif; ?>
+        </li>
+    <?php endforeach; ?>
+</ul>