* @license MIT License * @version 2020.06.13 */ // 文章链接添加 target 和 rel function imgnofollow($content) { $regexp = "]*href=(\"??)([^\" >]*?)\\1[^>]*>"; if (preg_match_all("/$regexp/siU", $content, $matches, PREG_SET_ORDER)) { if (!empty($matches)) { $srcUrl = get_option('siteurl'); for ($i = 0; $i < count($matches); $i++) { $tag = $matches[$i][0]; $tag2 = $matches[$i][0]; $url = $matches[$i][0]; $noFollow = ''; $pattern = '/target\s*=\s*"\s*_blank\s*"/'; preg_match($pattern, $tag2, $match, PREG_OFFSET_CAPTURE); if (count($match) < 1) { $noFollow .= ' target="_blank" '; } $pattern = '/rel\s*=\s*"\s*[n|d]ofollow\s*"/'; preg_match($pattern, $tag2, $match, PREG_OFFSET_CAPTURE); if (count($match) < 1) { $noFollow .= ' rel="nofollow" '; } $pos = strpos($url, $srcUrl); if ($pos === false) { $tag = rtrim($tag, '>'); $tag .= $noFollow . '>'; $content = str_replace($tag2, $tag, $content); } } } } $content = str_replace(']]>', ']]>', $content); return $content; } add_filter('the_content', 'imgnofollow'); // 文章点赞 function love() { global $wpdb, $post; $id = $_POST["um_id"]; $action = $_POST["um_action"]; if ($action == 'love') { $raters = get_post_meta($id, 'love', true); $expire = time() + 99999999; $domain = ($_SERVER['HTTP_HOST'] != 'localhost') ? $_SERVER['HTTP_HOST'] : false; setcookie('love_' . $id, $id, $expire, '/', $domain, false); if (!$raters || !is_numeric($raters)) { update_post_meta($id, 'love', 1); } else { update_post_meta($id, 'love', ($raters + 1)); } echo get_post_meta($id, 'love', true); } die; } add_action('wp_ajax_nopriv_love', 'love'); add_action('wp_ajax_love', 'love'); // 文章阅读次数统计 function set_post_views() { if (is_singular()) { global $post; $post_ID = $post->ID; if ($post_ID) { $post_views = (int) get_post_meta($post_ID, 'views', true); if (!update_post_meta($post_ID, 'views', ($post_views + 1))) { add_post_meta($post_ID, 'views', 1, true); } } } } add_action('wp_head', 'set_post_views'); function get_post_views($echo = 1) { global $post; $post_ID = $post->ID; $views = (int) get_post_meta($post_ID, 'views', true); return $views; } // 文章列表简介内容 function excerpt_length($length) { return 260; } add_filter('excerpt_length', 'excerpt_length'); // 开启特色图 add_theme_support("post-thumbnails"); // 文章特色图片 function post_thumbnail() { global $post; $img_id = get_post_thumbnail_id(); $img_url = wp_get_attachment_image_src($img_id, array(720, 435)); if (is_array($img_url)) { $img_url = $img_url[0]; } if (has_post_thumbnail()) { echo '

'; } else { $content = $post->post_content; $img_preg = "//"; preg_match($img_preg, $content, $img_src); $img_count = count($img_src) - 1; if (isset($img_src[$img_count])) { $img_val = $img_src[$img_count]; } if (!empty($img_val)) { echo '

'; } else { /* 正文里没图、也没设特色图时用默认特色图。空值（用户清过那一格）同样落到包内默认图。 */ $img = yang_option_image('g_postthumbnail'); if ($img !== '') { echo '

'; } } } } // 文章列表分页 function pagelist($range = 5) { global $paged, $wp_query, $max_page; if (!$max_page) {$max_page = $wp_query->max_num_pages;} if ($max_page > 1) {if (!$paged) {$paged = 1;} echo "

"; if ($paged > 1) { echo ''; } if ($max_page > $range) { if ($paged < $range) { for ($i = 1; $i <= $range; $i++) { if ($i == $paged) { echo '' . $i . ''; } else { echo "$i"; } } echo '…'; echo "$max_page"; } elseif ($paged >= ($max_page - ceil(($range / 2)))) { if ($paged != 1) { echo "1"; echo '…'; } for ($i = $max_page - $range + 1; $i <= $max_page; $i++) { if ($i == $paged) { echo '' . $i . ''; } else { echo "$i"; } } } elseif ($paged >= $range && $paged < ($max_page - ceil(($range / 2)))) { if ($paged != 1) { echo "1"; echo '…'; } for ($i = ($paged - ceil($range / 3)); $i <= ($paged + ceil(($range / 3))); $i++) { if ($i == $paged) { echo '' . $i . ''; } else { echo "$i"; } } echo '…'; echo "$max_page"; } } else { for ($i = 1; $i <= $max_page; $i++) { if ($i == $paged) { echo '' . $i . ''; } else { echo "$i"; } } } if ($paged < $max_page) { echo ''; } echo "

"; } } /* ── 评论相关已迁到 inc/theme-comments.php（3.2.18）────────────── * * 原先这里有一段 201~294 行的评论实现（comment_scripts / * comment_callback / comment_callbacks）和 380~385 行的 * recover_comment_fields。迁走的原因是： * * · 列表渲染与 AJAX 渲染**各写了一份 HTML**，已经分叉 —— * AJAX 返回的新评论没有「回复」按钮，必须刷新页面才出现； * · 提交逻辑用的是旧的 layer 弹窗 + 直接透传后端原始响应； * · 缺少 nonce 校验、缺少防重复提交。 * * 新实现统一到 yang_comment_html() 一个渲染函数，两边都调它， * 从结构上消除分叉可能。函数名 comment_callbacks / comment_scripts * 也都在新文件里以兼容形式保留，所以 comments.php 不必改调用点。 * ------------------------------------------------------------ */ // 文章评论表情 function custom_smilies_src($img_src, $img, $siteurl) { return ASSET_PATH . '/assets/img/smilies/' . $img; } add_filter('smilies_src', 'custom_smilies_src', 1, 10); function disable_emojis_tinymce($plugins) { return array_diff($plugins, array('wpemoji')); } function smilies_reset() { global $wpsmiliestrans, $wp_smiliessearch, $wp_version; if (!get_option('use_smilies') || $wp_version < 4.2) { return; } $wpsmiliestrans = array( ':mrgreen:' => 'mrgreen.png', ':exclaim:' => 'exclaim.png', ':neutral:' => 'neutral.png', ':twisted:' => 'twisted.png', ':arrow:' => 'arrow.png', ':eek:' => 'eek.png', ':smile:' => 'smile.png', ':confused:' => 'confused.png', ':cool:' => 'cool.png', ':evil:' => 'evil.png', ':biggrin:' => 'biggrin.png', ':idea:' => 'idea.png', ':redface:' => 'redface.png', ':razz:' => 'razz.png', ':rolleyes:' => 'rolleyes.png', ':wink:' => 'wink.png', ':cry:' => 'cry.png', ':lol:' => 'lol.png', ':mad:' => 'mad.png', ':drooling:' => 'drooling.png', ':persevering:' => 'persevering.png', ); } smilies_reset(); function smilies_custom_button() { printf('' . __('添加表情', 'kratos') . '

' . get_wpsmiliestrans() . '

'); } add_action('media_buttons', 'smilies_custom_button'); function get_wpsmiliestrans() { global $wpsmiliestrans; global $output; $wpsmilies = array_unique($wpsmiliestrans); foreach ($wpsmilies as $alt => $src_path) { $output .= '

'; } return $output; } if (!kratos_option('g_gutenberg',false)) { // 禁用 Gutenberg 编辑器 add_filter('use_block_editor_for_post', '__return_false'); remove_action('wp_enqueue_scripts', 'wp_common_block_scripts_and_styles'); // 删除前端的block library的css资源， add_action('wp_enqueue_scripts', 'remove_block_library_css', 100); function remove_block_library_css() { wp_dequeue_style('wp-block-library'); } } // 文章评论增强 function comment_add_at($comment_text, $comment = '') { if( $comment->comment_parent > 0) { $comment_text = '@' . get_comment_author( $comment->comment_parent ) . ' ' . $comment_text; } return $comment_text; } add_filter('comment_text' , 'comment_add_at', 20, 2); /* recover_comment_fields() 已由 inc/theme-comments.php 里的 yang_comment_form_fields() 接替（同样的字段顺序，但不再用 array_shift 硬拿第一个 —— 那样在插件往字段数组前面插东西时会拿错）。 */ $new_meta_boxes = array( "description" => array( "name" => "seo_description", "std" => "", "title" => __( '描述', 'kratos' ) ), "keywords" => array( "name" => "seo_keywords", "std" => "", "title" => __( '关键词', 'kratos' ) ) ); function seo_meta_boxes() { $post_types = get_post_types(); add_meta_box( 'meta-box-id', __( 'SEO 设置', 'kratos' ), 'post_seo_callback', $post_types ); } add_action( 'add_meta_boxes', 'seo_meta_boxes' ); function post_seo_callback( $post ) { global $new_meta_boxes; foreach($new_meta_boxes as $meta_box) { $meta_box_value = get_post_meta($post->ID, $meta_box['name'].'_value', true); if($meta_box_value == "") $meta_box_value = $meta_box['std']; echo '

'.$meta_box['title'].'

'; echo '
'; } echo ''; } function wpdocs_save_meta_box( $post_id ) { global $new_meta_boxes; if ( empty( $_POST['metaboxes_nonce'] )||!wp_verify_nonce( $_POST['metaboxes_nonce'], plugin_basename(__FILE__) )) return; if ( !current_user_can( 'edit_posts', $post_id )) return; foreach($new_meta_boxes as $meta_box) { $data = $_POST[$meta_box['name'].'_value']; if($data == "") delete_post_meta($post_id, $meta_box['name'].'_value', get_post_meta($post_id, $meta_box['name'].'_value', true)); else update_post_meta($post_id, $meta_box['name'].'_value', $data); } } add_action( 'save_post', 'wpdocs_save_meta_box' );