カテゴリとタグのリストを表示する

カテゴリ/タグのリストを作ってテンプレートに渡す

# diff -wu coqoo.php.org coqoo.php
--- coqoo.php.org       2014-06-13 15:36:39.444492008 +0900
+++ coqoo.php   2014-06-13 15:24:06.209230468 +0900
@@ -124,8 +124,20 @@
                }
         }

-
-        
+        $all_categories = array();
+        $all_tags       = array();
+        foreach ($all_pages as $page) {
+            if (isset($page['category']) && !empty($page['category'])) {
+                $all_categories[] = $page['category'];
+            }
+            if (isset($page['tags']) && is_array($page['tags'])) {
+                $all_tags = array_merge($all_tags, $page['tags']);
+            }
+        }
+        $all_categories = array_unique($all_categories);
+        sort($all_categories);
+        $all_tags = array_unique($all_tags);
+        sort($all_tags);

                $this->run_hooks('get_pages', array(&$pages, &$current_page, &$prev_page, &$next_page));

@@ -150,6 +162,8 @@
                        'current_page' => $current_page,
                        'next_page' => $next_page,
                        'is_front_page' => $url ? false : true,
+                       'all_tags' => $all_tags,
+                       'all_categories' => $all_categories,
                );

                $template_file = $url?'sub':'index';

navbar.html.twig

    <li class="dropdown">
        <a href="#" class="dropdown-toggle" data-toggle="dropdown">カテゴリ <b class="caret"></b></a>
        <ul class="dropdown-menu">
            {% for item in all_categories %}
                <li><a href="{{ base_url }}/category/{{item}}">{{item}}</a></li>
            {% endfor %}
        </ul>
    </li>
    <li class="dropdown">
        <a href="#" class="dropdown-toggle" data-toggle="dropdown">タグ <b class="caret"></b></a>
        <ul class="dropdown-menu">
            {% for item in all_tags %}
                <li><a href="{{ base_url }}/tag/{{item}}">{{item}}</a></li>
            {% endfor %}
        </ul>
    </li>