42 lines
1.2 KiB
PHP
42 lines
1.2 KiB
PHP
<?php
|
|
/**
|
|
* Docs Mode: Table of Contents
|
|
*
|
|
* 文档模式目录：从文章内容中提取 h2/h3 生成右侧目录。
|
|
*
|
|
* @package AKSRT
|
|
*/
|
|
|
|
defined('ABSPATH') || exit;
|
|
|
|
$content = get_the_content();
|
|
if (empty($content)) return;
|
|
|
|
// 提取 h2/h3 标题
|
|
$headings = [];
|
|
if (preg_match_all('/<h([2-3])[^>]*(?:id="([^"]*)")?[^>]*>(.*?)<\/h\1>/is', $content, $matches, PREG_SET_ORDER)) {
|
|
foreach ($matches as $m) {
|
|
$level = (int) $m[1];
|
|
$id = !empty($m[2]) ? $m[2] : '';
|
|
$text = wp_strip_all_tags($m[3]);
|
|
if ($text === '') continue;
|
|
if ($id === '') {
|
|
$id = 'toc-' . sanitize_title($text);
|
|
}
|
|
$headings[] = ['level' => $level, 'id' => $id, 'text' => $text];
|
|
}
|
|
}
|
|
|
|
if (empty($headings)) return;
|
|
?>
|
|
<nav class="aksrt-doc-toc" aria-label="<?php esc_attr_e('文章目录', 'aksrt'); ?>">
|
|
<div class="aksrt-doc-toc__title"><?php esc_html_e('目录', 'aksrt'); ?></div>
|
|
<ul class="aksrt-doc-toc__list">
|
|
<?php foreach ($headings as $h) : ?>
|
|
<li class="aksrt-doc-toc__item aksrt-doc-toc__item--h<?php echo esc_attr((string) $h['level']); ?>">
|
|
<a href="#<?php echo esc_attr($h['id']); ?>"><?php echo esc_html($h['text']); ?></a>
|
|
</li>
|
|
<?php endforeach; ?>
|
|
</ul>
|
|
</nav>
|