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