385 lines
14 KiB
PHP
385 lines
14 KiB
PHP
<?php
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/**
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* 空笺未寄 — functions.php
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*/
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// ── 主题设置 ──────────────────────────────────
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add_action('after_setup_theme', 'kjweji_setup');
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function kjweji_setup() {
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add_theme_support('title-tag');
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add_theme_support('post-thumbnails');
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add_image_size('kjweji-featured', 960, 400, true);
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add_image_size('kjweji-card', 600, 375, true);
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add_theme_support('custom-logo', array(
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'height' => 40,
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'width' => 160,
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'flex-height' => true,
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));
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add_theme_support('html5', array(
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'comment-form', 'comment-list', 'gallery', 'caption', 'style', 'script',
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));
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register_nav_menus(array(
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'primary' => '主导航',
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));
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}
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// ── 资源加载 ──────────────────────────────────
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add_action('wp_enqueue_scripts', 'kjweji_enqueue_assets');
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function kjweji_enqueue_assets() {
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wp_enqueue_style('kjweji-style', get_stylesheet_uri(), array(), '1.0.0');
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// 字体改用系统自带（Google Fonts 在中国大陆不可用）
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wp_enqueue_script('kjweji-lightbox',
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get_template_directory_uri() . '/assets/js/lightbox.js',
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array(), '1.0.0', true);
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}
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// ── 注册自定义文章类型: tucao（微言） ──────────
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add_action('init', 'kjweji_register_tucao');
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function kjweji_register_tucao() {
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register_post_type('tucao', array(
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'labels' => array(
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'name' => '微言',
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'singular_name' => '微言',
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'add_new' => '写微言',
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'add_new_item' => '写一条微言',
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'edit_item' => '编辑微言',
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'new_item' => '新微言',
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'view_item' => '查看微言',
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'search_items' => '搜索微言',
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'not_found' => '暂无微言',
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'not_found_in_trash' => '回收站中暂无微言',
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),
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'public' => true,
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'has_archive' => true,
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'rewrite' => array('slug' => 'tucao'),
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'show_in_rest' => true,
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'supports' => array('title', 'editor', 'author', 'thumbnail'),
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'menu_position' => 25,
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'menu_icon' => 'dashicons-format-chat',
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));
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}
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// ── 摘要取前 2-3 句 ───────────────────────────
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// 摘要：取文章内容的前 N 个字符（在句号处截断）
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function kjweji_excerpt($max_sentences = 5, $max_chars = 300) {
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$content = get_the_content();
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$content = wp_strip_all_tags($content);
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if (empty($content)) return '';
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// 先按字符截断
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if (mb_strlen($content) > $max_chars) {
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$content = mb_substr($content, 0, $max_chars);
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// 回退到最后一个句号
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$last_period = mb_strrpos($content, '。');
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if ($last_period !== false && $last_period > $max_chars / 2) {
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$content = mb_substr($content, 0, $last_period + 1);
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}
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}
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return esc_html(trim($content));
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}
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// ── OG 标签 ───────────────────────────────────
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add_action('wp_head', 'kjweji_og_tags');
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function kjweji_og_tags() {
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if (is_singular()) {
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$title = get_the_title();
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$desc = kjweji_excerpt(2);
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$url = get_permalink();
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} else {
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$title = get_bloginfo('name');
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$desc = get_bloginfo('description');
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$url = home_url();
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}
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echo '<meta property="og:type" content="' . (is_singular() ? 'article' : 'website') . '" />' . "\n";
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echo '<meta property="og:title" content="' . esc_attr($title) . '" />' . "\n";
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echo '<meta property="og:description" content="' . esc_attr($desc) . '" />' . "\n";
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echo '<meta property="og:url" content="' . esc_url($url) . '" />' . "\n";
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if (is_singular() && has_post_thumbnail()) {
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$img = get_the_post_thumbnail_url(null, 'kjweji-featured');
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echo '<meta property="og:image" content="' . esc_url($img) . '" />' . "\n";
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}
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echo '<meta name="twitter:card" content="summary_large_image" />' . "\n";
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}
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// ── 首页只显示普通文章（非 tucao） ─────────────
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add_action('pre_get_posts', 'kjweji_home_only_posts');
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function kjweji_home_only_posts($query) {
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if (!is_admin() && $query->is_main_query() && $query->is_home()) {
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$query->set('post_type', 'post');
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}
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}
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// 浏览量
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function kjweji_get_views() {
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$count = get_post_meta(get_the_ID(), 'post_views', true);
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return $count ? (int) $count : 0;
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}
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// 禁用 WP emoji 转图片
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remove_action('wp_head', 'print_emoji_detection_script', 7);
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remove_action('wp_print_styles', 'print_emoji_styles');
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remove_action('admin_print_scripts', 'print_emoji_detection_script');
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remove_action('admin_print_styles', 'print_emoji_styles');
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add_filter('emoji_svg_url', '__return_false');
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// 隐藏顶部 admin bar
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add_filter('show_admin_bar', '__return_false');
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// 评论表单中文化
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add_filter('comment_form_default_fields', function($fields) {
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$fields['author'] = '<p class="comment-form-author"><label for="author">显示名称</label><input id="author" name="author" type="text" size="30" /></p>';
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$fields['email'] = '<p class="comment-form-email"><label for="email">邮箱</label><input id="email" name="email" type="email" size="30" /></p>';
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$fields['url'] = '<p class="comment-form-url"><label for="url">网站</label><input id="url" name="url" type="url" size="30" /></p>';
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$fields['cookies'] = '<p class="comment-form-cookies-consent"><input id="wp-comment-cookies-consent" name="wp-comment-cookies-consent" type="checkbox" value="yes" /><label for="wp-comment-cookies-consent">在此浏览器中保存我的信息</label></p>';
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return $fields;
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});
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// 评论无需审核直接发布
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add_filter('pre_comment_approved', function() { return 1; });
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add_action('template_include', function($template) {
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if (get_query_var('post_type') === 'post' && !is_home() && !is_singular()) {
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$t = locate_template('archive.php');
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if ($t) return $t;
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}
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return $template;
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});
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// 本地头像（团队证件照）
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add_filter('get_avatar', function($avatar, $id_or_email, $size, $default, $alt) {
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$uid = 0;
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if (is_numeric($id_or_email)) $uid = (int) $id_or_email;
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elseif (is_object($id_or_email) && isset($id_or_email->user_id)) $uid = (int) $id_or_email->user_id;
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elseif (is_object($id_or_email) && $id_or_email instanceof WP_Comment) {
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$uid = (int) $id_or_email->user_id;
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}
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// 如果传的是 email 但找不到用户，尝试用 email 找
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if (!$uid && is_string($id_or_email) && strpos($id_or_email, '@') !== false) {
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$u = get_user_by('email', $id_or_email);
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if ($u) $uid = $u->ID;
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}
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$att_id = get_user_meta($uid, 'custom_avatar', true);
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if ($att_id) {
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$url = wp_get_attachment_image_url($att_id, 'medium');
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if ($url) {
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return '<img src="' . esc_url($url) . '" class="avatar avatar-' . $size . ' photo" width="' . $size . '" height="' . $size . '" alt="" />';
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}
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}
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return $avatar; // fallback
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}, 10, 5);
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// 激活主题时自动初始化
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add_action('after_switch_theme', 'kjweji_setup_pages');
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function kjweji_setup_pages() {
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// 创建笺文页
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if (!get_page_by_path('articles')) {
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wp_insert_post([
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'post_title' => '笺文', 'post_name' => 'articles',
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'post_type' => 'page', 'post_status' => 'publish',
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'meta_input' => ['_wp_page_template' => 'page-articles.php'],
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]);
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}
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// 创建拾影页
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if (!get_page_by_path('photos')) {
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wp_insert_post([
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'post_title' => '拾影', 'post_name' => 'photos',
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'post_type' => 'page', 'post_status' => 'publish',
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'meta_input' => ['_wp_page_template' => 'page-photos.php'],
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]);
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}
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// 创建导航菜单
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if (!wp_get_nav_menu_object('主导航')) {
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$menu_id = wp_create_nav_menu('主导航');
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foreach ([
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['首页', '/'],
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['笺文', '/articles/'],
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['微言', '/tucao/'],
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['拾影', '/photos/'],
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] as $item) {
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wp_update_nav_menu_item($menu_id, 0, [
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'menu-item-title' => $item[0],
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'menu-item-url' => $item[1],
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'menu-item-status' => 'publish',
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]);
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}
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$locations = get_theme_mod('nav_menu_locations') ?: [];
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$locations['primary'] = $menu_id;
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set_theme_mod('nav_menu_locations', $locations);
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}
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flush_rewrite_rules();
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}
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// 自定义文章类型：拾影
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add_action('init', 'kjweji_register_photo');
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function kjweji_register_photo() {
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register_post_type('photo', array(
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'labels' => array(
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'name' => '拾影',
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'singular_name' => '拾影',
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'add_new' => '发拾影',
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'add_new_item' => '发新拾影',
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'edit_item' => '编辑拾影',
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),
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'public' => true,
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'has_archive' => false,
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'rewrite' => array('slug' => 'photo/%post_id%'),
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'show_in_rest' => true,
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'supports' => array('title', 'editor', 'author', 'thumbnail'),
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'menu_position' => 26,
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'menu_icon' => 'dashicons-format-gallery',
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));
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}
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add_filter('post_type_link', function($link, $post) {
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if ($post->post_type === 'photo' && $post->post_status === 'publish') {
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return home_url(user_trailingslashit('/photo/' . $post->ID . '/' . $post->post_name));
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}
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return $link;
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}, 10, 2);
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// 匹配 /photo/123/slug/ 格式
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add_action('init', function() {
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add_rewrite_rule('^photo/([0-9]+)/([^/]+)/?$', 'index.php?post_type=photo&p=$matches[1]', 'top');
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add_rewrite_rule('^photo/([0-9]+)/?$', 'index.php?post_type=photo&p=$matches[1]', 'top');
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});
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// 允许通过 REST API 创建评论
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add_filter('rest_allow_anonymous_comments', '__return_false');
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// 评论后重定向回当前页
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// tucao 不要详情页，直接回 archive
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add_action('template_redirect', function() {
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if (is_singular('tucao')) {
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wp_redirect(get_post_type_archive_link('tucao'), 301);
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exit;
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}
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});
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// 评论后送回微言列表并锚点定位
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add_filter('comment_post_redirect', function($loc, $comment) {
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$post = get_post($comment->comment_post_ID);
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if ($post && $post->post_type === 'tucao') {
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return get_post_type_archive_link('tucao') . '#tucao-' . $comment->comment_post_ID;
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}
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return $loc;
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}, 99, 2);
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// 中国时区
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date_default_timezone_set('Asia/Shanghai');
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// 评论回复标题中文化
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add_filter('comment_form_defaults', function($defaults) {
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$defaults['title_reply_to'] = '回复 %s';
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$defaults['cancel_reply_link'] = '取消回复';
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$defaults['title_reply_before'] = '<h3 class="comment-reply-title">';
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$defaults['title_reply_after'] = '</h3>';
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return $defaults;
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});
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// ── Customizer（外观 → 自定义 → 空笺未寄设置） ────
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add_action('customize_register', 'kjweji_customize_register');
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function kjweji_customize_register($wp_customize) {
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// 注册 section
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$wp_customize->add_section('kjweji_settings', array(
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'title' => '空笺未寄设置',
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'priority' => 30,
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));
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// ── 首页 ──
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$wp_customize->add_setting('kjweji_hero_intro', array(
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'default' => "这里是自白者的栖息地。\n吐槽，落笔，沉思，接住那一缕若有的情绪。\n片语只言，皆是存在。",
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'sanitize_callback' => 'sanitize_textarea_field',
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));
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$wp_customize->add_control('kjweji_hero_intro', array(
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'label' => '首页介绍文字',
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'section' => 'kjweji_settings',
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'type' => 'textarea',
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));
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$wp_customize->add_setting('kjweji_hero_couplet', array(
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'default' => '空笺待写千般意，未寄先存一寸心',
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'sanitize_callback' => 'sanitize_text_field',
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));
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$wp_customize->add_control('kjweji_hero_couplet', array(
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'label' => '首页对联',
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'section' => 'kjweji_settings',
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'type' => 'text',
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));
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$wp_customize->add_setting('kjweji_hero_couplet_hl1', array(
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'default' => '千般意',
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'sanitize_callback' => 'sanitize_text_field',
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));
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$wp_customize->add_control('kjweji_hero_couplet_hl1', array(
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'label' => '对联高亮词1',
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'section' => 'kjweji_settings',
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'type' => 'text',
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));
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$wp_customize->add_setting('kjweji_hero_couplet_hl2', array(
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'default' => '一寸心',
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'sanitize_callback' => 'sanitize_text_field',
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));
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$wp_customize->add_control('kjweji_hero_couplet_hl2', array(
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'label' => '对联高亮词2',
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'section' => 'kjweji_settings',
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'type' => 'text',
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));
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// ── 页脚 ──
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$wp_customize->add_setting('kjweji_footer_motto', array(
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'default' => '空笺待写千般意，未寄先存一寸心',
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'sanitize_callback' => 'sanitize_text_field',
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));
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$wp_customize->add_control('kjweji_footer_motto', array(
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'label' => '页脚格言',
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'section' => 'kjweji_settings',
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'type' => 'text',
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));
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$wp_customize->add_setting('kjweji_footer_text', array(
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'default' => '每一段文字，都在时光里等待回音',
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'sanitize_callback' => 'sanitize_text_field',
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));
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$wp_customize->add_control('kjweji_footer_text', array(
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'label' => '页脚版权文案',
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'section' => 'kjweji_settings',
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'type' => 'text',
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));
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// ── 页面副标题 ──
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$wp_customize->add_setting('kjweji_articles_subtitle', array(
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'default' => '字里行间，尽是岁月',
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'sanitize_callback' => 'sanitize_text_field',
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));
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$wp_customize->add_control('kjweji_articles_subtitle', array(
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'label' => '笺文页副标题',
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'section' => 'kjweji_settings',
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'type' => 'text',
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));
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$wp_customize->add_setting('kjweji_photos_subtitle', array(
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'default' => '在时光里截图',
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'sanitize_callback' => 'sanitize_text_field',
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));
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$wp_customize->add_control('kjweji_photos_subtitle', array(
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'label' => '拾影页副标题',
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'section' => 'kjweji_settings',
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'type' => 'text',
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));
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}
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// tucao 自动生成标题
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add_filter('wp_insert_post_data', function($data) {
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if ($data['post_type'] === 'tucao' && empty($data['post_title'])) {
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$data['post_title'] = '微言-' . time();
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}
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return $data;
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});
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