mirror of https://github.com/vtrois/kratos
612 lines
23 KiB
PHP
612 lines
23 KiB
PHP
<?php
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/**
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* 文章相关函数
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* @author Seaton Jiang <hi@seatonjiang.com>
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* @license GPL-3.0 License
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* @version 2023.04.04
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*/
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// 文章链接添加 target 和 rel
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function content_nofollow($content)
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{
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$regexp = "<a\s[^>]*href=['\"][^#]([^'\"]*?)\\1[^>]*>";
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if (preg_match_all("/$regexp/siU", $content, $matches, PREG_SET_ORDER)) {
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if (!empty($matches) && !empty(get_option('siteurl'))) {
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$srcUrl = get_option('siteurl');
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for ($i = 0; $i < count($matches); $i++) {
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$tag = $matches[$i][0];
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$tag2 = $matches[$i][0];
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$url = $matches[$i][0];
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$noFollow = '';
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$pattern = '/target\s*=\s*"\s*_blank\s*"/';
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preg_match($pattern, $tag2, $match, PREG_OFFSET_CAPTURE);
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if (count($match) < 1) {
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$noFollow .= ' target="_blank" ';
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}
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$pattern = '/rel\s*=\s*"\s*[n|d]ofollow\s*"/';
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preg_match($pattern, $tag2, $match, PREG_OFFSET_CAPTURE);
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if (count($match) < 1) {
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$noFollow .= ' rel="nofollow" ';
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}
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$pos = strpos($url, $srcUrl);
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if ($pos === false) {
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$tag = rtrim($tag, '>');
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$tag .= $noFollow . '>';
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$content = str_replace($tag2, $tag, $content);
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}
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}
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}
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}
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$content = str_replace(']]>', ']]>', $content);
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return $content;
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}
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add_filter('the_content', 'content_nofollow');
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// 文章点赞
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function love()
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{
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global $wpdb, $post;
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$id = $_POST["um_id"];
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$action = $_POST["um_action"];
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if ($action == 'love') {
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$raters = get_post_meta($id, 'love', true);
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$expire = time() + 99999999;
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$domain = ($_SERVER['HTTP_HOST'] != 'localhost') ? $_SERVER['HTTP_HOST'] : false;
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setcookie('love_' . $id, $id, $expire, '/', $domain, false);
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if (!$raters || !is_numeric($raters)) {
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update_post_meta($id, 'love', 1);
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} else {
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update_post_meta($id, 'love', ($raters + 1));
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}
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echo get_post_meta($id, 'love', true);
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}
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die;
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}
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add_action('wp_ajax_nopriv_love', 'love');
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add_action('wp_ajax_love', 'love');
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// 文章阅读次数统计
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function set_post_views()
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{
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if (is_singular()) {
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global $post;
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$post_ID = $post->ID;
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if ($post_ID) {
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$post_views = (int) get_post_meta($post_ID, 'views', true);
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if (!update_post_meta($post_ID, 'views', ($post_views + 1))) {
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add_post_meta($post_ID, 'views', 1, true);
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}
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}
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}
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}
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add_action('wp_head', 'set_post_views');
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function get_post_views($echo = 1)
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{
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global $post;
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$post_ID = $post->ID;
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$views = (int) get_post_meta($post_ID, 'views', true);
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return $views;
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}
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// 文章列表简介内容
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function custom_excerpt_length($length)
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{
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return kratos_option('g_excerpt_length', '260');
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}
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add_filter('excerpt_length', 'custom_excerpt_length');
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// 开启特色图
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add_theme_support("post-thumbnails");
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// 生成适合特色图的比例图片
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add_image_size('kratos-thumbnail', 512, 288, true);
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// 强制图片链接到媒体文件
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add_action('after_setup_theme', 'default_attachment_display_settings');
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function default_attachment_display_settings()
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{
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update_option('image_default_link_type', 'file');
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}
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// 文章特色图片
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function post_thumbnail()
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{
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global $post;
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$img_id = get_post_thumbnail_id();
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$img_url = wp_get_attachment_image_src($img_id, 'kratos-thumbnail');
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if (is_array($img_url)) {
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$img_url = $img_url[0];
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}
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if (has_post_thumbnail()) {
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echo '<img src="' . $img_url . '" />';
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} else {
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$content = $post->post_content;
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$img_preg = "/<img (.*?)src=\"(.+?)\".*?>/";
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preg_match($img_preg, $content, $img_src);
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$img_count = count($img_src) - 1;
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if (isset($img_src[$img_count])) {
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$img_val = $img_src[$img_count];
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}
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if (!empty($img_val)) {
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echo '<img src="' . $img_val . '" />';
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} else {
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echo '<img src="' . kratos_option('g_postthumbnail', ASSET_PATH . '/assets/img/default.jpg') . '" />';
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}
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}
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}
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// 文章列表分页
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function pagelist($range = 5)
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{
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global $paged, $wp_query, $max_page;
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if (!$max_page) {
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$max_page = $wp_query->max_num_pages;
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}
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if ($max_page > 1) {
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if (!$paged) {
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$paged = 1;
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}
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echo "<div class='paginations'>";
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if ($paged > 1) {
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echo '<a href="' . get_pagenum_link($paged - 1) . '" class="prev" title="上一页"><i class="kicon i-larrows"></i></a>';
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}
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if ($max_page > $range) {
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if ($paged < $range) {
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for ($i = 1; $i <= $range; $i++) {
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if ($i == $paged) {
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echo '<span class="page-numbers current">' . $i . '</span>';
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} else {
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echo "<a href='" . get_pagenum_link($i) . "'>$i</a>";
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}
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}
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echo '<span class="page-numbers dots">…</span>';
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echo "<a href='" . get_pagenum_link($max_page) . "'>$max_page</a>";
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} elseif ($paged >= ($max_page - ceil(($range / 2)))) {
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if ($paged != 1) {
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echo "<a href='" . get_pagenum_link(1) . "' class='extend' title='首页'>1</a>";
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echo '<span class="page-numbers dots">…</span>';
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}
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for ($i = $max_page - $range + 1; $i <= $max_page; $i++) {
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if ($i == $paged) {
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echo '<span class="page-numbers current">' . $i . '</span>';
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} else {
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echo "<a href='" . get_pagenum_link($i) . "'>$i</a>";
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}
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}
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} elseif ($paged >= $range && $paged < ($max_page - ceil(($range / 2)))) {
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if ($paged != 1) {
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echo "<a href='" . get_pagenum_link(1) . "' class='extend' title='首页'>1</a>";
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echo '<span class="page-numbers dots">…</span>';
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}
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for ($i = ($paged - ceil($range / 3)); $i <= ($paged + ceil(($range / 3))); $i++) {
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if ($i == $paged) {
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echo '<span class="page-numbers current">' . $i . '</span>';
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} else {
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echo "<a href='" . get_pagenum_link($i) . "'>$i</a>";
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}
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}
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echo '<span class="page-numbers dots">…</span>';
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echo "<a href='" . get_pagenum_link($max_page) . "'>$max_page</a>";
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}
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} else {
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for ($i = 1; $i <= $max_page; $i++) {
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if ($i == $paged) {
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echo '<span class="page-numbers current">' . $i . '</span>';
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} else {
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echo "<a href='" . get_pagenum_link($i) . "'>$i</a>";
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}
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}
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}
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if ($paged < $max_page) {
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echo '<a href="' . get_pagenum_link($paged + 1) . '" class="next" title="下一页"><i class="kicon i-rarrows"></i></a>';
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}
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echo "</div>";
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}
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}
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// 文章评论
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function comment_scripts()
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{
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wp_enqueue_script('comment', ASSET_PATH . '/assets/js/comments.min.js', array('jquery'), THEME_VERSION);
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wp_localize_script('comment', 'ajaxcomment', array(
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'ajax_url' => admin_url('admin-ajax.php'),
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'order' => get_option('comment_order'),
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'compost' => __('评论正在提交中', 'kratos'),
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'comsucc' => __('评论提交成功', 'kratos'),
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));
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}
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add_action('wp_enqueue_scripts', 'comment_scripts');
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function comment_err($a)
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{
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header('HTTP/1.0 500 Internal Server Error');
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header('Content-Type: text/plain;charset=UTF-8');
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echo $a;
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exit;
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}
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if (!function_exists('comment_callback')) :
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function comment_callback()
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{
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$comment = wp_handle_comment_submission(wp_unslash($_POST));
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$commenter = wp_get_current_commenter();
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if (is_wp_error($comment)) {
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$data = $comment->get_error_data();
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if (!empty($data)) {
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comment_err($comment->get_error_message());
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} else {
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exit;
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}
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}
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$user = wp_get_current_user();
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do_action('set_comment_cookies', $comment, $user);
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$GLOBALS['comment'] = $comment;
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if ($commenter['comment_author_email']) {
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$moderation_note = __('Your comment is awaiting moderation.');
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} else {
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$moderation_note = __('Your comment is awaiting moderation. This is a preview; your comment will be visible after it has been approved.');
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}
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?>
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<li class="comment cleanfix" id="comment-<?php echo esc_attr(comment_ID()); ?>">
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<div class="avatar float-left d-inline-block mr-2">
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<?php if (function_exists('get_avatar') && get_option('show_avatars')) {
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echo get_avatar($comment, 50);
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} ?>
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</div>
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<div class="info clearfix">
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<cite class="author_name"><?php echo get_comment_author_link(); ?></cite>
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<?php if ('0' == $comment->comment_approved) : ?>
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<em class="comment-awaiting-moderation"><?php echo $moderation_note; ?></em>
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<?php endif; ?>
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<div class="content pb-2">
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<?php comment_text(); ?>
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</div>
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<div class="meta clearfix">
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<div class="date d-inline-block float-left"><?php echo get_comment_date(); ?>
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<?php if (current_user_can('edit_posts')) {
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echo '<span class="ml-2">';
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edit_comment_link(__('编辑', 'kratos'));
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echo '</span>';
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}; ?>
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</div>
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</div>
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</div>
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</li>
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<?php die();
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}
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endif;
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add_action('wp_ajax_nopriv_ajax_comment', 'comment_callback');
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add_action('wp_ajax_ajax_comment', 'comment_callback');
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function comment_post($incoming_comment)
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{
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$incoming_comment['comment_content'] = htmlspecialchars($incoming_comment['comment_content']);
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$incoming_comment['comment_content'] = str_replace("'", ''', $incoming_comment['comment_content']);
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return ($incoming_comment);
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}
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add_filter('preprocess_comment', 'comment_post', '', 1);
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function comment_display($comment_to_display)
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{
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$comment_to_display = str_replace(''', "'", $comment_to_display);
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return $comment_to_display;
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}
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add_filter('comment_text', 'comment_display', '', 1);
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if (!function_exists('comment_callbacks')) :
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function comment_callbacks($comment, $args, $depth = 2)
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{
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$commenter = wp_get_current_commenter();
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if ($commenter['comment_author_email']) {
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$moderation_note = __('Your comment is awaiting moderation.');
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} else {
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$moderation_note = __('Your comment is awaiting moderation. This is a preview; your comment will be visible after it has been approved.');
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}
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$GLOBALS['comment'] = $comment; ?>
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<li class="comment cleanfix" id="comment-<?php echo esc_attr(comment_ID()); ?>">
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<div class="avatar float-left d-inline-block mr-2">
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<?php if (function_exists('get_avatar') && get_option('show_avatars')) {
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echo get_avatar($comment, 50);
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} ?>
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</div>
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<div class="info clearfix">
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<cite class="author_name"><?php echo get_comment_author_link(); ?></cite>
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<?php if ('0' == $comment->comment_approved) : ?>
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<em class="comment-awaiting-moderation"><?php echo $moderation_note; ?></em>
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<?php endif; ?>
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<div class="content pb-2">
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<?php comment_text(); ?>
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</div>
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<div class="meta clearfix">
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<div class="date d-inline-block float-left"><?php echo get_comment_date(); ?>
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<?php if (current_user_can('edit_posts')) {
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echo '<span class="ml-2">';
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edit_comment_link(__('编辑', 'kratos'));
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echo '</span>';
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}; ?>
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</div>
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<div class="tool reply ml-2 d-inline-block float-right">
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<?php
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$defaults = array('add_below' => 'comment', 'respond_id' => 'respond', 'reply_text' => '<i class="kicon i-reply"></i><span class="ml-1">' . __('回复', 'kratos') . '</span>');
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comment_reply_link(array_merge($defaults, array('depth' => $depth, 'max_depth' => $args['max_depth'])));
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?>
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</div>
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</div>
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</div>
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<?php
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}
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endif;
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// 文章评论表情
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if (empty(get_option('use_smilies'))) {
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update_option('use_smilies', 1);
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}
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function custom_smilies_src($img_src, $img, $siteurl)
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{
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return ASSET_PATH . '/assets/img/smilies/' . $img;
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}
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add_filter('smilies_src', 'custom_smilies_src', 1, 10);
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function disable_emojis_tinymce($plugins)
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{
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return array_diff($plugins, array('wpemoji'));
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}
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function smilies_reset()
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{
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global $wpsmiliestrans;
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$wpsmiliestrans = array(
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':mrgreen:' => 'mrgreen.png',
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':exclaim:' => 'exclaim.png',
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':neutral:' => 'neutral.png',
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':twisted:' => 'twisted.png',
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':arrow:' => 'arrow.png',
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':eek:' => 'eek.png',
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':smile:' => 'smile.png',
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':confused:' => 'confused.png',
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':cool:' => 'cool.png',
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':evil:' => 'evil.png',
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':biggrin:' => 'biggrin.png',
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':idea:' => 'idea.png',
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':redface:' => 'redface.png',
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':razz:' => 'razz.png',
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':rolleyes:' => 'rolleyes.png',
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':wink:' => 'wink.png',
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':cry:' => 'cry.png',
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':lol:' => 'lol.png',
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':mad:' => 'mad.png',
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':drooling:' => 'drooling.png',
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':persevering:' => 'persevering.png',
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);
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}
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smilies_reset();
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function smilies_custom_button()
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{
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printf('<style> .smilies-wrap { background: #fff !important; border: 1px solid #ccc !important; box-shadow: 2px 2px 3px rgba(0, 0, 0, 0.24) !important; padding: 10px !important; position: absolute !important; top: 60px !important; width: 400px !important; display: none !important; } .smilies-wrap img { height: 24px !important; width: 24px !important; cursor: pointer !important; margin-bottom: 5px !important; } .is-active.smilies-wrap { display: block !important; } @media screen and (max-width: 782px) { #wp-content-media-buttons a { font-size: 14px !important; padding: 0 14px !important; } } </style><a id="insert-media-button" style="position:relative" class="button insert-smilies add_smilies" data-editor="content" href="javascript:;"><span class="dashicons dashicons-smiley" style="line-height: 26px;"></span>' . __('添加表情', 'kratos') . '</a> <div class="smilies-wrap">' . get_wpsmiliestrans() . '</div> <script>jQuery(document).ready(function () { jQuery(document).on("click", ".insert-smilies", function () { if (jQuery(".smilies-wrap").hasClass("is-active")) { jQuery(".smilies-wrap").removeClass("is-active"); } else { jQuery(".smilies-wrap").addClass("is-active"); } }); jQuery(document).on("click", ".add-smily", function () { send_to_editor(" " + jQuery(this).data("smilies") + " "); jQuery(".smilies-wrap").removeClass("is-active"); return false; }); });</script>');
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}
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add_action('media_buttons', 'smilies_custom_button');
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function get_wpsmiliestrans()
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{
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global $wpsmiliestrans;
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global $output;
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$wpsmilies = array_unique($wpsmiliestrans);
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foreach ($wpsmilies as $alt => $src_path) {
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$output .= '<a class="add-smily" data-smilies="' . $alt . '"><img class="wp-smiley" src="' . ASSET_PATH . '/assets/img/smilies/' . rtrim($src_path, "png") . 'png" /></a>';
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}
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return $output;
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}
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if (!kratos_option('g_gutenberg', false)) {
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// 禁用 Gutenberg 编辑器
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add_filter('use_block_editor_for_post', '__return_false');
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add_filter('gutenberg_use_widgets_block_editor', '__return_false');
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add_filter('use_widgets_block_editor', '__return_false');
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remove_action('wp_enqueue_scripts', 'wp_common_block_scripts_and_styles');
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// 删除前端的block library的css资源，
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add_action('wp_enqueue_scripts', 'remove_block_library_css', 100);
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function remove_block_library_css()
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{
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wp_dequeue_style('wp-block-library');
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}
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// 禁用 Auto Embeds
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remove_filter('the_content', array($GLOBALS['wp_embed'], 'autoembed'), 8);
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}
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// 文章评论增强
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function comment_add_at($comment_text, $comment = null)
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{
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if ($comment->comment_parent > 0) {
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$comment_text = '<span>@' . get_comment_author($comment->comment_parent) . '</span> ' . $comment_text;
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}
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return $comment_text;
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}
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add_filter('comment_text', 'comment_add_at', 20, 2);
|
||
|
||
function recover_comment_fields($comment_fields)
|
||
{
|
||
$comment = array_shift($comment_fields);
|
||
$comment_fields = array_merge($comment_fields, array('comment' => $comment));
|
||
return $comment_fields;
|
||
}
|
||
add_filter('comment_form_fields', 'recover_comment_fields');
|
||
|
||
$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 '<h3 style="font-size: 14px; padding: 9px 0; margin: 0; line-height: 1.4;">' . $meta_box['title'] . '</h3>';
|
||
echo '<textarea cols="60" rows="3" style="width:100%" name="' . $meta_box['name'] . '_value">' . $meta_box_value . '</textarea><br/>';
|
||
}
|
||
|
||
echo '<input type="hidden" name="metaboxes_nonce" id="metaboxes_nonce" value="' . wp_create_nonce(plugin_basename(__FILE__)) . '" />';
|
||
}
|
||
|
||
if (kratos_option('g_image_filter', true)) {
|
||
add_action('admin_footer-post-new.php', 'fanly_mediapanel_lock_uploaded');
|
||
add_action('admin_footer-post.php', 'fanly_mediapanel_lock_uploaded');
|
||
function fanly_mediapanel_lock_uploaded()
|
||
{
|
||
echo '<script type="text/javascript">var $i=0;jQuery(document).on("DOMNodeInserted", function(){if(jQuery("#media-attachment-filters").length>0&&$i==0){jQuery(\'select.attachment-filters [value="uploaded"]\').attr(\'selected\',true).parent().trigger(\'change\');$i++;}});</script>';
|
||
}
|
||
}
|
||
|
||
function wpdocs_save_meta_box($post_id)
|
||
{
|
||
global $new_meta_boxes;
|
||
|
||
if (!wp_verify_nonce(isset($_POST['metaboxes_nonce']) ? $_POST['metaboxes_nonce'] : null, 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');
|
||
|
||
// 主页轮播
|
||
function kratos_carousel()
|
||
{
|
||
if (kratos_option('g_carousel', false)) {
|
||
$slide = 0;
|
||
$item = 0;
|
||
$output = '<div id="indexCarousel" class="carousel article-carousel slide" data-ride="carousel"> <ol class="carousel-indicators">';
|
||
|
||
if (!empty(kratos_option('carousel_group'))) {
|
||
|
||
foreach (kratos_option('carousel_group') as $group_item) {
|
||
$active = null;
|
||
if ($slide == 0) {
|
||
$active = 'class="active"';
|
||
}
|
||
$output .= '<li data-target="#indexCarousel" data-slide-to="' . $slide . '" ' . $active . '></li>';
|
||
$slide++;
|
||
}
|
||
|
||
$output .= '</ol><div class="carousel-inner">';
|
||
|
||
foreach (kratos_option('carousel_group') as $group_item) {
|
||
$active = null;
|
||
if ($item == 0) {
|
||
$active = 'active';
|
||
}
|
||
$output .= '
|
||
<div class="carousel-item ' . $active . '">
|
||
<a href="' . $group_item['c_url'] . '"><img src="' . $group_item['c_img'] . '" class="d-block w-100"></a>
|
||
<div class="carousel-caption d-none d-md-block">
|
||
<h5 style="color:' . $group_item['c_color'] . '">' . $group_item['c_title'] . '</h5>
|
||
<p style="color:' . $group_item['c_color'] . '">' . $group_item['c_subtitle'] . '</p>
|
||
</div>
|
||
</div>';
|
||
$item++;
|
||
}
|
||
|
||
$output .= '</div> <a class="carousel-control-prev" href="#indexCarousel" role="button" data-slide="prev"> <span class="carousel-control-prev-icon" aria-hidden="true"></span> </a> <a class="carousel-control-next" href="#indexCarousel" role="button" data-slide="next"> <span class="carousel-control-next-icon" aria-hidden="true"></span> </a> </div>';
|
||
}
|
||
|
||
echo $output;
|
||
}
|
||
}
|
||
|
||
// 获取文章评论数量
|
||
function findSinglecomments($postid = 0, $which = 0)
|
||
{
|
||
$comments = get_comments('status=approve&type=comment&post_id=' . $postid);
|
||
if ($comments) {
|
||
$i = 0;
|
||
$j = 0;
|
||
$commentusers = array();
|
||
foreach ($comments as $comment) {
|
||
++$i;
|
||
if ($i == 1) {
|
||
$commentusers[] = $comment->comment_author_email;
|
||
++$j;
|
||
}
|
||
if (!in_array($comment->comment_author_email, $commentusers)) {
|
||
$commentusers[] = $comment->comment_author_email;
|
||
++$j;
|
||
}
|
||
}
|
||
$output = array($j, $i);
|
||
$which = ($which == 0) ? 0 : 1;
|
||
return $output[$which];
|
||
}
|
||
return 0;
|
||
}
|
||
|
||
// 文章目录功能
|
||
function toc_content($content)
|
||
{
|
||
if (is_singular()) {
|
||
global $toc_count;
|
||
global $toc;
|
||
|
||
$toc = array();
|
||
$toc_count = 0;
|
||
$toc_depth = 3;
|
||
|
||
$regex = '#<h([1-' . $toc_depth . '])(.*?)>(.*?)</h\\1>#';
|
||
$content = preg_replace_callback($regex, 'toc_replace_heading', $content);
|
||
}
|
||
return $content;
|
||
}
|
||
add_filter('the_content', 'toc_content');
|
||
|
||
function toc_replace_heading($content)
|
||
{
|
||
global $toc_count;
|
||
global $toc;
|
||
|
||
$toc_count++;
|
||
|
||
$toc[] = array('text' => trim(strip_tags($content[3])), 'depth' => $content[1], 'count' => $toc_count);
|
||
|
||
return "<h{$content[1]} {$content[2]}><a name=\"toc-{$toc_count}\"></a>{$content[3]}</h{$content[1]}>";
|
||
}
|