露背-姐姐白又白-第5页

* Plugin Name: JJBYB SEO Enhancement * Description: Open Graph 标签 + JSON-LD 结构化数据 + 图片alt补齐（zibll 主题SEO增强） * Version: 1.1 */ if (!defined('ABSPATH')) exit; // ---------- Open Graph / Twitter Card ---------- add_action('wp_head', function () { if (is_feed()) return; if (is_front_page()) { $title = get_bloginfo('name') . '-' . get_bloginfo('description'); $d = get_option('zibll_options'); if (!empty($d['tdk_home_description'])) $desc = $d['tdk_home_description']; elseif (!empty($d['description'])) $desc = $d['description']; else $desc = get_bloginfo('description'); $url = home_url('/'); $type = 'website'; } elseif (is_singular()) { $title = wp_get_document_title(); $desc = get_post_meta(get_the_ID(), 'description', true); if (!$desc) $desc = wp_trim_words(wp_strip_all_tags(get_the_content()), 80, ''); $url = get_permalink(); $type = 'article'; } elseif (is_category()) { $title = wp_get_document_title(); $desc = wp_trim_words(wp_strip_all_tags(category_description()), 90, ''); $url = get_category_link(get_query_var('cat')); $type = 'website'; } else { $title = wp_get_document_title(); $desc = get_bloginfo('description'); $url = home_url('/'); $type = 'website'; } $site_name = get_bloginfo('name'); $image = ''; if (is_singular()) { $image = get_post_meta(get_the_ID(), 'thumbnail_url', true); if (!$image) $image = get_post_meta(get_the_ID(), 'cover_image', true); } if (!$image || !is_string($image)) $image = 'https://jjbyb.com/wp-content/uploads/2026/01/logo白天-新.png'; echo PHP_EOL; $tags = [ ['property' => 'og:site_name', 'content' => $site_name], ['property' => 'og:type', 'content' => $type], ['property' => 'og:title', 'content' => $title], ['property' => 'og:description', 'content' => $desc], ['property' => 'og:url', 'content' => $url], ['property' => 'og:image', 'content' => $image], ['property' => 'og:locale', 'content' => 'zh_CN'], ['name' => 'twitter:card', 'content' => 'summary_large_image'], ['name' => 'twitter:title', 'content' => $title], ['name' => 'twitter:description', 'content' => $desc], ['name' => 'twitter:image', 'content' => $image], ]; foreach ($tags as $t) { $k = isset($t['property']) ? 'property' : 'name'; if ($t['content'] === '' || $t['content'] === null) continue; printf('' . PHP_EOL, $k, esc_attr($t[$k]), esc_attr($t['content'])); } }, 5); // ---------- JSON-LD 结构化数据 ---------- add_action('wp_head', function () { if (is_singular('post')) { global $post; $img = get_post_meta($post->ID, 'thumbnail_url', true); if (!$img) $img = get_post_meta($post->ID, 'cover_image', true); if (!$img) $img = 'https://jjbyb.com/wp-content/uploads/2026/01/logo白天-新.png'; $ld = [ '@context' => 'https://schema.org', '@type' => 'Article', 'headline' => wp_get_document_title(), 'image' => [$img], 'datePublished' => get_the_date('c', $post), 'dateModified' => get_the_modified_date('c', $post), 'author' => ['@type' => 'Organization', 'name' => get_bloginfo('name')], 'publisher' => ['@type' => 'Organization', 'name' => get_bloginfo('name'), 'logo' => ['@type' => 'ImageObject', 'url' => 'https://jjbyb.com/wp-content/uploads/2026/01/logo白天-新.png']], 'mainEntityOfPage' => ['@type' => 'WebPage', '@id' => get_permalink($post)], ]; echo '' . PHP_EOL; } if (is_front_page()) { $ld = [ '@context' => 'https://schema.org', '@type' => 'WebSite', 'name' => get_bloginfo('name'), 'url' => home_url('/'), 'description' => get_bloginfo('description'), 'potentialAction' => ['@type' => 'SearchAction', 'target' => home_url('/?s={search_term_string}'), 'query-input' => 'required name=search_term_string'], ]; echo '' . PHP_EOL; } }, 6); // ---------- 全站图片 alt 补齐（无alt时用上下文标题） ---------- add_filter('the_content', function ($content) { $title = esc_attr(get_the_title()); if (!$title) return $content; return preg_replace('/]*alt=)[^>]*)>/i', '', $content); }, 20); add_filter('wp_get_attachment_image', function ($html) { $title = esc_attr(get_the_title()); if ($title && strpos($html, 'alt=') === false) { $html = str_replace('

[\d]+)'])) unset($endpoints['/wp/v2/users/(?P[\d]+)']); return $endpoints; }, 99); // 2. ???? url ??????????REST/?????? add_filter('get_the_author_url', function ($url) { if ($url && strpos($url, 'boundkey.com') !== false) return ''; return $url; }, 20); // [jjbyb] REST users protection: block guest access (anti username/gravatar-hash enumeration) add_filter('rest_endpoints', function ($endpoints) { if (is_user_logged_in()) return $endpoints; if (isset($endpoints['/wp/v2/users'])) unset($endpoints['/wp/v2/users']); if (isset($endpoints['/wp/v2/users/(?P[\d]+)'])) unset($endpoints['/wp/v2/users/(?P[\d]+)']); return $endpoints; }, 99); // [jjbyb] strip legacy boundkey.com url from author url output add_filter('get_the_author_url', function ($url) { if ($url && strpos($url, 'boundkey.com') !== false) return ''; return $url; }, 20); 露背-姐姐白又白-第5页

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