カテゴリー

    ここでは、カテゴリーを操作するコードスニペットを紹介します。

    カテゴリの定義済み変数

    デフォルトでは、カテゴリーのデータベースはアルファベット順にソートされます。

    すべてのカテゴリのリスト表示

    <?php
        $items = getCategories();
    
        foreach ($items as $category) {
            // Each category is an Category-Object
            echo 'Category name: '          . $category->name();
            echo 'Category key: '           . $category->key();
            echo 'Category description: '       . $category->description();
            echo 'Category template: '      . $category->template();
            echo 'Category link: '          . $category->permalink();
            echo 'Category number of pages: '   . count($category->pages());
        }
    ?>

    代わりの方法

    <?php
        foreach ($categories->keys() as $key) {
            // Create Category-Object
            $category = new Category($key);
    
            echo 'Category name: '          . $category->name();
            echo 'Category key: '           . $category->key();
            echo 'Category description: '       . $category->description();
            echo 'Category template: '      . $category->template();
            echo 'Category link: '          . $category->permalink();
            echo 'Category amount of pages: '   . count($category->pages());
        }
    ?>

    ページのあるカテゴリー一覧を表示

    <?php
        $items = getCategories();
    
        foreach ($items as $category) {
            // Each category is an Category-Object
            if (count($category->pages())>0) {
                echo 'Category name: '  . $category->name();
                echo 'Category key: '   . $category->key();
                echo 'Category link: '  . $category->permalink();
            }
        }
    ?>

    すべてのカテゴリーと各カテゴリーに関連するページ一覧を表示

    <?php
        $items = getCategories();
    
        foreach ($items as $category) {
            // Each category is an Category-Object
            echo 'Category name: ' . $category->name();
    
            // The method $category->pages() returns all the pages keys releated to the category
            foreach ($category->pages() as $pageKey) {
                $page = new Page($pageKey);
                echo '- Page title: ' . $page->title();
            }
        }
    ?>
    <?php
            // Category key
            $categoryKey = 'example';
    
            // The category is an Category-Object
            $category = getCategory($categoryKey);
    
            // Print the category name
            echo 'Category name: ' . $category->name();
    
            // Print the pages title related to the category "example"
            foreach ($category->pages() as $pageKey) {
                $page = new Page($pageKey);
                echo $page->title();
            }
    ?>

    アクティブなカテゴリーを取得

    <?php
        // Check if the user is browsing a category
        if ($WHERE_AM_I=='category') {
            // Get the category key from the URL
            $categoryKey = $url->slug();
    
            // Create the Category-Object
            $category = new Category($categoryKey);
    
            // Print the category name
            echo $category->name();
    
            // Print the category description
            echo $category->description();
        }
    ?>

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