更新日志 | 设若

记录自己的折腾过程。方便后期查看。，代码笔记

2019-11-5

创建子主题Shruo，方便后期修改和完善。
修改子主题添加style.css样式，点击查看主要是一些小修改，友链双排、超链颜色、版权信息css、字体大小，相关文章样式，手机浏览隐藏，顶部添加搜索框等等css样式。
修改头部模版，header.php添加关键词及描述，设置自动获取和自定义，详情、添加熊掌号框架，og标签、对wp-head头部进行了优化。
修改页脚模版，footer.php，添加查询数据库次数及时间。
添加文章归档模版。
添加小工具，热门文章，友情链接。
添加邮件发送模版，设置邮件smtp发送函数，
禁止了一堆无用功能，禁止文章自动保存，禁止修订版，禁止缩微图、禁止英文及日文评论、禁止Emoji功能、禁用Google Open Sans字体。
去除分类连接category，内部标签自动加链接，外链转内链跳转加密。
添加百度自动提交，熊掌号自动提交。
添加同步到微博头条，百家号。
添加复制加版权，文章底部加作者版权信息。
添加相关文章。
添加阅读数统计。

2019-11-12

增加更新日志页面，后期更新内容记录添加。

2019-11-13：

有新评论邮件通知无效。替换微信通知，添加默认记录评论 Cookie。

2019-11-14：

更新WordPress 5.3 版本，修改注册表单，参考露兜博客插件修改实现，参考、
借助升级这个空档，也更新了下修改登录页面logo及描述连接等问题，下次更新就不用麻烦了。参考

2019-11-15

修改微博同步文章发布失败异常，发布文章缺少分类及标签，参考

2019-11-16

添加页面.html结尾，统一固定连接html结尾。
修改文章归档按分类归档。
熊掌号周级批量自动提交修改、添加标签链接提交。

2019-11-20

修改图片添加标签及描述。给博客添加背景。

2019-12-17

更新评论内容连接添加跳转。参考

2019-12-19

通过冀公网安备 13090302000282号备案。

2019-12-20

友链模块link.php整理，去掉功能模块，添加判断只在日志页面显示登录。

2019-12-21

由于熊掌号凉凉，删除多余熊掌号架构。

2019-12-22

添加标签链接结尾加/，保持链接统一。参考
整理归档页面，添加评论css。
归档页面标签归档整理。懒得css只显示使用数。备份

2019-12-25

更新关键词自动获取，修改分类及标签的og标签属性。

2019-12-29

整理文内版权声明，添加作者图标。

2019-12-31

添加邮件订阅，rssmailer.app/

2020-1-3

添加音乐，修改支持https。保持绿锁。参考

2020-1-7

更换了背景图，收集了些背景图片。有需要的拿走。点击下载提取码：v4gi
修改了css边距，变得稍微紧凑一点。参考

2020-2-6

删除，”http://gmpg.org/xfn/11和xmlrpc.php”

修改代码记录

子主题css样式
相关文章代码
友情连接判断分别显示
复制加版权提示及控制台显示信息
文章归档代码、标签归档代码、站点统计
去除category分类链接
WordPress标签自动添加内链
WordPress百度提交，熊掌号提交
WordPress获取文章内图片的数量及文章中第一张图片的地址
文章和评论外链转内链跳转，评论者链接新窗口打开
文章ID连续，禁止草稿等无用功能
使用smtp发送邮件设置
禁止纯英日文评论，有效杜绝垃圾评论
评论头像缓存在本地服务器
精简header.php头部代码
添加seo关键字及描述，自动获取关键词及描述，添加og标签
添加热门文章友链小工具
添加阅读数代码及统计代码
方糖评论微信通知
修改注册表单，可直接输入密码，避免邮件链接无效
修改登录页面，美化。
同步文章到新浪微博头条
链接统一化。分类目录和标签地址后添加斜杠，页面加html
其他杂项。
添加音乐获取音乐外链地址，直接插入博客使用。

子主题css样式

/*
Theme Name:     Sheruo
Theme URI:      https://sheruo.com/
Description:    我的第一个子主题，基于Twenty Twelve改进了些东西
Author:         sheruo
Author URI:     https://sheruo.com/
Template:       twentytwelve
Version:        0.1.0
*/
@import url("../twentytwelve/style.css");
/* 加载原主题css */
/* 主题字体背景 */
body {font-size: 14px;font-size: 1.063rem;font-family:-apple-system,BlinkMacSystemFont,"Lucida Grande","Helvetica Neue",Helvetica,Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","WenQuanYi Zen Hei","WenQuanYi Micro Hei","Noto Sans CJK SC","Source Han Sans CN",SimSun,sans-serif;text-rendering: optimizeLegibility;background-image: url("./images/bj/16.png"); background-position: left top; background-size: auto; background-repeat: repeat; background-attachment: scroll;}
body.custom-font-enabled {	font-family:-apple-system,BlinkMacSystemFont,"Lucida Grande","Helvetica Neue",Helvetica,Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","WenQuanYi Zen Hei","WenQuanYi Micro Hei","Noto Sans CJK SC","Source Han Sans CN",SimSun,sans-serif;}
/* 调整去掉连接下划线 */
a {text-decoration: none;}
a:hover {color: #0099ff}
/* logo颜色 */
.site-header h1 a{	color: #21759b;}
.site-header h1 a:hover{	color: #0099ff;}
.site-header h1 a{font-size: larger;}
/* 分类目录字体及边框 */
.archive-title{font-size: 14px;} .archive-meta{font-size: 14px;margin-top: 5px;}
/* 超链接彩色 */
.entry-content a:visited,.comment-content a:visited {color: #21759b;}
.entry-content a:hover,.comment-content a:hover,.entry-meta a:hover,.nav-single a:hover,.widget-area .widget a:hover,.xiangguan a:hover,.navigation a:hover,.comments-area article header a:hover{color: #0099ff;}
/* 文章主题色彩样式 */
.entry-header .entry-title {color: #21759b;}
.entry-header .entry-title a:hover { color: #0099ff;}
/* 调整code背景 */
.entry-content code,.comment-content code{  color: #228B22;background: #F2F2F2;padding-left: 10px; white-space:pre-wrap;word-wrap:break-word; }
/* 调整边栏字体大小与底边距离 */
.widget-area .widget h3 {font-size: 1rem;color:#21759b;margin-bottom: 15px;}
.widget-area .widget {margin-bottom: 28px;}
.widget-area .widget p,.widget-area .widget li,.widget-area .widget .textwidget {font-size:1rem;}
/* 修改内容页容器之间的行间距，必须留 */
.site-header {	padding: 24px 0 10px 0;}
.site-content article {margin-bottom: 20px;padding-bottom: 10px;}
.entry-header .comments-link {	margin-top: 15px;}
.entry-header { margin-bottom: 15px;}
footer.entry-meta { margin-top: 15px;}
.nav-single+.comments-area, #comment-nav-above {margin: 30px 0;}
.comments-title { margin-bottom: 30px;}
/*文章内容行距*/
.entry-content p{line-height: 1.846153846;margin-bottom: 20px;}
/* 调整栏目页分类目录归档与内容页之间的距离 */
.archive-header, .page-header {margin-bottom: 1rem;}
/* 评论头像和评论间距 */
.comments-area article header{margin-bottom:1rem;}
/* 评论行间距 */
.comment-content p{margin-bottom:0.5rem;}
.comments-area article header cite,.comments-area article header time {	display: block;	margin-left: 85px;	margin-left: 4.071428571rem;}
#respond { margin-top: 30px;}
#respond form input[type="text"],#respond form textarea {	font-size:1.063rem;line-height: 1.2rem;}
/* 边栏搜索宽度 */
.widget-area #s {width: 65%; /* define a width to avoid dropping a wider submit button */}
/*顶部搜索*/
.header-search {  float: right;   margin-top: -50px;}
/* 友好链接两栏显示 */
.blogroll{width:270px;display:block;overflow:auto;zoom:1;}
.blogroll li{float:left;width:120px;display:block;}
/* Copyright */
.copyright { margin-top:10px;padding:10px; 	font-size:0.928571429rem; border:1px solid #ededed;}
.copyright p {margin:0; line-height:1.75em; 	color:#888;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.copyright img { float: left;  margin: 0 10px 0 0;  }
/* 相关文章-归档页面*/
.related{margin:20px 0;box-shadow:0 1px 4px rgba(0,0,0,.2);padding:25px 20px 25px}
.related_posts{margin-top:20px;}.related_posts li,.archives li,.tagcloud  li{margin-left:15px; line-height:1.846153846;list-style:circle;padding:0 0 0 1px}
.time{color:#666;padding:0 5px 0 0}.text-muted{color:#999;font-size:10px;display: inline-block;margin-left: 4px;  transform: translateY(-5px);}.tag-name{font-size:1.063rem;}
/*隐藏代码*/
@media(max-width:600px){.widget-area .widget{display:none;}}
@media(max-width:600px){.header-search{display:none;}}
2020-1-16最后修改

友情连接判断分别显示

<?php if (is_home()) {?>
	<!-- #首页友链-->
<aside id="linkcat-21"  class="widget widget_links">
	<h3 class="widget-title">友情链接</h3>
<ul class="blogroll">
 <li><a href="https://jiaxunip.com/" title="佳讯知识产权" target="_blank"  >佳讯知识产权</a></li>		
	<li><a href="https://sheruo.com/links.html"  title="点击留言加个友链呗"   target="_blank">【申请友链】</a></li>
	
</ul>
</aside>
<!-- #首页友链结束-->
<?php }elseif(is_page('192')){?>
<!-- #友情连接页面显示-->
 <aside id="linkcat-21"  class="widget widget_links">
	 <h3 class="widget-title">首页链接</h3>
<ul class="blogroll">	
	<li><a href="http://www.zuifengyun.com/" target="_blank" title="阅读好文章，获取正能量" rel="noopener noreferrer">醉风云博客</a></li>
	
</ul>	 
</aside>
<!-- #友情连接页面显示结束-->
<?php }elseif(is_category('1')){?>
<!-- #分类1友链-->
<aside id="linkcat-20"  class="widget widget_links"><h3 class="widget-title" >友情链接</h3>
<ul class="blogroll">	
	<li><a href="http://www.cnipa.gov.cn/" target="_blank" title="国家知识产权局官网" rel="noopener noreferrer">国家知识产权局</a></li>
	<li><a href="https://sheruo.com/links.html"  title="点击留言加个友链呗"   target="_blank">【申请友链】</a></li>
</ul></aside>
<?php }elseif(in_category('1')){?>
<!-- #分类1所有文章页面友链-->
<aside id="linkcat-20"  class="widget widget_links"><h3 class="widget-title" >友情链接</h3>
<ul class="blogroll">	
	<li><a href="http://www.cnipa.gov.cn/" target="_blank" title="国家知识产权局官网" rel="noopener noreferrer">国家知识产权局</a></li>
	<li><a href="https://sheruo.com/links.html"  title="点击留言加个友链呗"   target="_blank">【申请友链】</a></li>
</ul></aside>
<?php }elseif(is_category()){?>
<!-- #分类友链-->
<aside id="linkcat-20"  class="widget widget_links"><h3 class="widget-title" >友情链接</h3>
<ul class="blogroll">	
     <li><a href="https://jiaxunip.com/"  target="_blank" title="沧州商标注册" rel="noopener noreferrer">佳讯知识产权</a></li>
</ul></aside>
<?php }elseif(is_page()){?>
<!-- #页面友链-->
<aside id="linkcat-20"  class="widget widget_links"><h3 class="widget-title" >友情链接</h3>
<ul class="blogroll">	
	<li><a href="https://jiaxunip.com/" title="沧州商标注册" target="_blank" rel="noopener noreferrer">佳讯知识产权</a></li>
</ul></aside>
<?php }elseif(is_single()){?>
<!-- #文章友链-->
<aside id="linkcat-20"  class="widget widget_links"><h3 class="widget-title" >友情链接</h3>
<ul class="blogroll">	
	<li><a href="https://sheruo.com/links.html"  title="点击留言加个友链呗"   target="_blank">【申请友链】</a></li>
</ul></aside>
<?php }elseif(is_author()){?>
<!-- #作者页友链-->
<aside id="linkcat-20"  class="widget widget_links"><h3 class="widget-title" >友情链接</h3>
<ul class="blogroll">	
	<li><a href="https://sheruo.com/links.html"  title="点击留言加个友链呗"   target="_blank">【申请友链】</a></li>
</ul></aside>
<?php }else{?>
<!-- #其他页面友链-->
<aside id="linkcat-20"  class="widget widget_links"><h3 class="widget-title" >友情链接</h3>
<ul class="blogroll">	
	<li><a href="https://sheruo.com/links.html"  title="点击留言加个友链呗"   target="_blank">【申请友链】</a></li>
</ul></aside>
<?php }?>

复制加版权提示及控制台显示信息

<script type="text/javascript" language="javascript">
if(window.console&&window.console.log){  
	console.log("%c设若SheRuo.com%c\n人生是一个充满奇遇的旅途，\n又何必在乎一城一地的得失。\n高人，加个友链呗！地址：https://sheruo.com/links.html \n知识产权有偿服务 地址：https://sheruo.com/pay.html \n\n%c欢迎你对本站提出宝贵建议！\n本站起名及方向策划一经采纳必有重谢！\n联系邮箱：sheruo@126.com","color:blue;font-size:2em","color:#337FE5","color:red");
}  
				function warning(){
    if(navigator.userAgent.indexOf("MSIE")>0)  {   
        art.dialog.alert('复制成功！若要转载请务必保留原文链接，申明来源，谢谢合作！');
    } else {  
        alert("复制成功！若要转载请务必保留原文链接，申明来源，谢谢合作！");
    }
}
document.body.oncopy=function(){warning();}
</script>

文章归档代码、标签归档代码、站点统计

<?php $the_query = new WP_Query( 'posts_per_page=-1&ignore_sticky_posts=1' ); //update: 加上忽略置顶文章
					$year=0; $mon=0; $i=0; $j=0;
					$all = array();
					$output = '<article id="archives">';
					while ( $the_query->have_posts() ) : $the_query->the_post();
						$year_tmp = get_the_time('Y');
						 $mon_tmp = get_the_time('n');
						 //var_dump($year_tmp);
						 $y=$year; $m=$mon;
						 if ($mon != $mon_tmp && $mon > 0) $output .= '</ul>';
						 if ($year != $year_tmp) {
							$year = $year_tmp;
							$all[$year] = array();
						 }

						 if ($mon != $mon_tmp) {
							$mon = $mon_tmp;
							array_push($all[$year], $mon);
							$output .= "<ul class='archives archives-$mon' data-date='$year-$mon'><h3>$year 年$mon 月</h3>"; //输出月份
						 }
						 $output .='<li><span class="time">'.get_the_time('d日').'</span> <a href="'.get_permalink() .'" title="'.get_the_title() .' 有'. get_comments_number('0', '1', '%') .'条评论！">'.get_the_title() .'<span class="text-muted">'. get_comments_number('0', '1', '%') .'</span></a></li>'; //输出文章日期和标题
					endwhile;
					wp_reset_postdata();
					$output .= '</ul></article>';
					echo $output;

					$html = "";
					$year_now = date("Y");
					foreach($all as $key => $value){
						$html .= "<li class='year' id='year-$key'><a href='#' class='year-toogle' id='yeto-$key'>$key</a><ul class='monthall'>";
						for($i=12; $i>0; $i--){
							if($key == $year_now && $i > $value[0]) continue;
							$html .= in_array($i, $value) ? ("<li class='month monthed' id='mont-$key-$i'>$i</li>") : ("<li class='month'>$i</li>");
						}
						$html .= "</ul></li>";
					}
				?>
			<article id="tag_cloud" class="tagcloud" >			
					<ul class="wp-tag-cloud" role="list">
				<h3>标签归档</h3>		
					<?php 	$tags_list = get_tags('orderby=count&order=DESC&number=0');			
		                     if ($tags_list) { 		foreach($tags_list as $tag) {
								echo '<li><a  class="tag-name tag-link-'.$tag->term_id.'" href="'.get_tag_link($tag).'"  aria-label="'. $tag->name .'('. $tag->count .'篇文章)"  title="有'. $tag->count .'篇文章使用了（'. $tag->name .'）标签">'. $tag->name .'</a><span class="text-muted">'. $tag->count .'</span>'; 
								echo '</li>';
							} 
						} 
					?>
						</ul></article>
			<ul id="tongji">
   	<h3>站点统计</h3>
			<li>分类：<?php echo $count_categories = wp_count_terms('category'); ?>个   .标签：<?php echo $count_tags = wp_count_terms('post_tag'); ?>个   .文章：<?php $count_posts = wp_count_posts(); echo $published_posts = $count_posts->publish;?>篇    .留言：<?php echo $wpdb->get_var("SELECT COUNT(*) FROM $wpdb->comments");?>条   .浏览量：<?php echo lo_all_view(); ?>次  .</li>
				<li>最后更新：<?php $last = $wpdb->get_results("SELECT MAX(post_modified) AS MAX_m FROM $wpdb->posts WHERE (post_type = 'post' OR post_type = 'page') AND (post_status = 'publish' OR post_status = 'private')");$last = date('Y年n月j日', strtotime($last[0]->MAX_m));echo $last; ?>.</li>
				<li>站点：<a href="https://sheruo.com/log.html"  >更新日志</a></li></ul>

去除category分类链接

/*
*WordPress去除category分类连接
*/
add_action( 'load-themes.php', 'no_category_base_refresh_rules');
add_action('created_category', 'no_category_base_refresh_rules');
add_action('edited_category', 'no_category_base_refresh_rules');
add_action('delete_category', 'no_category_base_refresh_rules');
function no_category_base_refresh_rules() {
  global $wp_rewrite;
  $wp_rewrite -> flush_rules();
}
 
// register_deactivation_hook(__FILE__, 'no_category_base_deactivate');
// function no_category_base_deactivate() {
// remove_filter('category_rewrite_rules', 'no_category_base_rewrite_rules');
// // We don't want to insert our custom rules again
// no_category_base_refresh_rules();
// }
 
// Remove category base
add_action('init', 'no_category_base_permastruct');
function no_category_base_permastruct() {
  global $wp_rewrite, $wp_version;
  if (version_compare($wp_version, '3.4', '<')) {
  // For pre-3.4 support
  $wp_rewrite -> extra_permastructs['category'][0] = '%category%';
  } else {
  $wp_rewrite -> extra_permastructs['category']['struct'] = '%category%';
  }
}
 
// Add our custom category rewrite rules
add_filter('category_rewrite_rules', 'no_category_base_rewrite_rules');
function no_category_base_rewrite_rules($category_rewrite) {
  //var_dump($category_rewrite); // For Debugging
 
  $category_rewrite = array();
  $categories = get_categories(array('hide_empty' => false));
  foreach ($categories as $category) {
  $category_nicename = $category -> slug;
  if ($category -> parent == $category -> cat_ID)// recursive recursion
  $category -> parent = 0;
  elseif ($category -> parent != 0)
  $category_nicename = get_category_parents($category -> parent, false, '/', true) . $category_nicename;
  $category_rewrite['(' . $category_nicename . ')/(?:feed/)?(feed|rdf|rss|rss2|atom)/?$'] = 'index.php?category_name=$matches[1]&feed=$matches[2]';
  $category_rewrite['(' . $category_nicename . ')/page/?([0-9]{1,})/?$'] = 'index.php?category_name=$matches[1]&paged=$matches[2]';
  $category_rewrite['(' . $category_nicename . ')/?$'] = 'index.php?category_name=$matches[1]';
  }
  // Redirect support from Old Category Base
  global $wp_rewrite;
  $old_category_base = get_option('category_base') ? get_option('category_base') : 'category';
  $old_category_base = trim($old_category_base, '/');
  $category_rewrite[$old_category_base . '/(.*)$'] = 'index.php?category_redirect=$matches[1]';
 
  //var_dump($category_rewrite); // For Debugging
  return $category_rewrite;
}
 
 
// Add 'category_redirect' query variable
add_filter('query_vars', 'no_category_base_query_vars');
function no_category_base_query_vars($public_query_vars) {
  $public_query_vars[] = 'category_redirect';
  return $public_query_vars;
}
 
// Redirect if 'category_redirect' is set
add_filter('request', 'no_category_base_request');
function no_category_base_request($query_vars) {
  //print_r($query_vars); // For Debugging
  if (isset($query_vars['category_redirect'])) {
  $catlink = trailingslashit(get_option('home')) . user_trailingslashit($query_vars['category_redirect'], 'category');
  status_header(301);
  header("Location: $catlink");
  exit();
  }
  return $query_vars;
}
//结束 分类目录去除category

WordPress标签自动添加内链

/*
*WordPress标签自动添加内链
*/
$match_num_from = 1; //一篇文章中同一个标签少于几次不自动链接
$match_num_to = 1; //一篇文章中同一个标签最多自动链接几次
function tag_sort($a, $b){
        if ( $a->name == $b->name ) return 0;
        return ( strlen($a->name) > strlen($b->name) ) ? -1 : 1;
}
function tag_link($content){
        global $match_num_from,$match_num_to;
                $posttags = get_the_tags();
                if ($posttags) {
                        usort($posttags, "tag_sort");
                        foreach($posttags as $tag) {
                                $link = get_tag_link($tag->term_id);
                                $keyword = $tag->name;
                                $cleankeyword = stripslashes($keyword);
                                $url = "<a href=\"$link\" title=\"".str_replace('%s',addcslashes($cleankeyword, '$'),__('%s'))."\"";
                                $url .= ' target="_blank"';
                                $url .= ">".addcslashes($cleankeyword, '$')."</a>";
                                $limit = rand($match_num_from,$match_num_to);
                                $content = preg_replace( '|(<a[^>]+>)(.*)('.$ex_word.')(.*)(</a[^>]*>)|U'.$case, '$1$2%&&&&&%$4$5', $content);
                                $content = preg_replace( '|(<img)(.*?)('.$ex_word.')(.*?)(>)|U'.$case, '$1$2%&&&&&%$4$5', $content);
                                $cleankeyword = preg_quote($cleankeyword,'\'');
                                $regEx = '\'(?!((<.*?)|(<a.*?)))('. $cleankeyword . ')(?!(([^<>]*?)>)|([^>]*?</a>))\'s' . $case;
                                $content = preg_replace($regEx,$url,$content,$limit);
                                $content = str_replace( '%&&&&&%', stripslashes($ex_word), $content);
                        }
                }
        return $content;
}
add_filter('the_content','tag_link',1);
//WordPress标签自动添加内链结束

WordPress百度提交，熊掌号提交

/**
* WordPress发布文章主动推送到百度，加快收录保护原创【WordPress通用方式】
* 文章地址：http://zhangge.net/5041.html
*/
if(!function_exists('Baidu_Submit')){
    function Baidu_Submit($post_ID) {
        $WEB_TOKEN  = 'ABC';  //这里请换成你的网站的百度主动推送的token值
        $WEB_DOMAIN = get_option('home');
        //已成功推送的文章不再推送
        if(get_post_meta($post_ID,'Baidusubmit',true) == 1) return;
        $url = get_permalink($post_ID);
        $api = 'http://data.zz.baidu.com/urls?site='.$WEB_DOMAIN.'&token='.$WEB_TOKEN;
        $request = new WP_Http;
        $result = $request->request( $api , array( 'method' => 'POST', 'body' => $url , 'headers' => 'Content-Type: text/plain') );
        $result = json_decode($result['body'],true);
        //如果推送成功则在文章新增自定义栏目Baidusubmit，值为1
        if (array_key_exists('success',$result)) {
            add_post_meta($post_ID, 'Baidusubmit', 1, true);
        }
    }
    add_action('publish_post', 'Baidu_Submit', 0);
}
//百度提交结束
/**
*  WordPress API 方式自动推送到百度熊掌号*
*/
if(!function_exists('Baidu_XZH_Submit')){
    function Baidu_XZH_Submit($post_ID) {
        //已成功推送的文章不再推送
        if(get_post_meta($post_ID,'BaiduXZHsubmit',true) == 1) return;
        $url = get_permalink($post_ID);
        $api = '改成自己的百度连接';
        $request = new WP_Http;
        $result = $request->request( $api , array( 'method' => 'POST', 'body' => $url , 'headers' => 'Content-Type: text/plain') );
        $result = json_decode($result['body'],true);
        //如果推送成功则在文章新增自定义栏目BaiduXZHsubmit，值为1
        if (array_key_exists('success',$result)) {
            add_post_meta($post_ID, 'BaiduXZHsubmit', 1, true);
        }
    }
    add_action('publish_post', 'Baidu_XZH_Submit', 0);
}
//WordPress API 方式自动推送到百度熊掌号结束

WordPress获取文章内图片的数量及文章中第一张图片的地址

/**
* WordPress获取文章内图片的数量及文章中第一张图片的地址 - 龙笑天下
* https://www.ilxtx.com/wordpress-post-images-numbers.html
*/
function lxtx_post_images_nums($postid=0,$which=0){
    $content = get_post($postid)->post_content;  
    preg_match_all('/<img.*?(?: |\\t|\\r|\\n)?src=[\'"]?(.+?)[\'"]?(?:(?: |\\t|\\r|\\n)+.*?)?>/sim', $content, $strResult, PREG_PATTERN_ORDER);
    if( $which==0 ){
        $output = ( $strResult && isset($strResult[1]) )?count($strResult[1]):0;
    }else if( $which==1 ){
        // 没图时返回默认图片
        $img_url = '/images/default.png';
        // 没图时返回随机图片，则取消下面2行注释，并在主题根目录images中创建random文件夹，再在random文件夹中放置10张jpg格式的图片且命名为1、2、...、10
        $random = mt_rand(1, 3);
        $img_url = 'https://sheruo.com/images/'.$random.'.png';
        $output = ( $strResult && !empty($strResult[1]) && !empty($strResult[1][0]) ) ? $strResult[1][0] : $img_url;
    }
    return $output;  
}
//WordPress获取第一张图片地址结束

文章和评论外链转内链跳转，评论者链接新窗口打开


//文章和评论外链跳转伪静态版
add_filter('the_content','link_jump',999);
add_filter('comment_text','link_jump',999);
function link_jump($content){
    preg_match_all('/<a(.*?)href="(.*?)"(.*?)>/',$content,$matches);
    if($matches){
        foreach($matches[2] as $val){
            if(strpos($val,'://')!==false && strpos($val,home_url())===false && !preg_match('/\.(jpg|jepg|png|ico|bmp|gif|tiff)/i',$val) && !preg_match('/(ed2k|thunder|Flashget|flashget|qqdl):\/\//i',$val)){
            $content=str_replace("href=\"$val\"", "href=\"".home_url()."/goto/".base64_encode($val)."\"' target='_blank' rel='external nofollow'",$content);
            }
        }
    }
    return $content;
}
//WordPress评论者的链接新窗口打开
function get_comment_author_link_new($return, $author, $comment_ID = 0) {
	$comment = get_comment( $comment_ID );
	$url     = get_comment_author_url( $comment );
	$author  = get_comment_author( $comment );
 
	if ( empty( $url ) || 'http://' == $url )
		$return = $author;
	else
		$return = "<a href='".home_url()."/goto/".base64_encode($url)."' target='_blank' rel='external nofollow' class='url'>$author</a>";
 
	return $return;
}
add_filter('get_comment_author_link', 'get_comment_author_link_new', 10, 3);
//WordPress评论者的链接新窗口结束

//跳转页面代码，存根目录/go/文件夹，设置下指向
<html>
<html lang="zh-CN">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no">
<meta name="renderer" content="webkit">
<meta http-equiv="Cache-Control" content="no-transform" />
<meta http-equiv="Cache-Control" content="no-siteapp" />
<meta name="robots" content="noindex, nofollow" />
<meta name="applicable-device" content="pc,mobile">
<meta name="HandheldFriendly" content="true" />
<meta name="description" content="跳转页面" />
<meta name="keywords" content="跳转页面" />
<script>
var base64EncodeChars="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";var base64DecodeChars=new Array(-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,62,-1,-1,-1,63,52,53,54,55,56,57,58,59,60,61,-1,-1,-1,-1,-1,-1,-1,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,-1,-1,-1,-1,-1,-1,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,-1,-1,-1,-1,-1);function base64encode(str){var out,i,len;var c1,c2,c3;len=str.length;i=0;out="";while(i<len){c1=str.charCodeAt(i++)&255;if(i==len){out+=base64EncodeChars.charAt(c1>>2);out+=base64EncodeChars.charAt((c1&3)<<4);out+="==";break}c2=str.charCodeAt(i++);if(i==len){out+=base64EncodeChars.charAt(c1>>2);out+=base64EncodeChars.charAt(((c1&3)<<4)|((c2&240)>>4));out+=base64EncodeChars.charAt((c2&15)<<2);out+="=";break}c3=str.charCodeAt(i++);out+=base64EncodeChars.charAt(c1>>2);out+=base64EncodeChars.charAt(((c1&3)<<4)|((c2&240)>>4));out+=base64EncodeChars.charAt(((c2&15)<<2)|((c3&192)>>6));out+=base64EncodeChars.charAt(c3&63)}return out}function base64decode(str){var c1,c2,c3,c4;var i,len,out;len=str.length;i=0;out="";while(i<len){do{c1=base64DecodeChars[str.charCodeAt(i++)&255]}while(i<len&&c1==-1);if(c1==-1){break}do{c2=base64DecodeChars[str.charCodeAt(i++)&255]}while(i<len&&c2==-1);if(c2==-1){break}out+=String.fromCharCode((c1<<2)|((c2&48)>>4));do{c3=str.charCodeAt(i++)&255;if(c3==61){return out}c3=base64DecodeChars[c3]}while(i<len&&c3==-1);if(c3==-1){break}out+=String.fromCharCode(((c2&15)<<4)|((c3&60)>>2));do{c4=str.charCodeAt(i++)&255;if(c4==61){return out}c4=base64DecodeChars[c4]}while(i<len&&c4==-1);if(c4==-1){break}out+=String.fromCharCode(((c3&3)<<6)|c4)}return out}function utf16to8(str){var out,i,len,c;out="";len=str.length;for(i=0;i<len;i++){c=str.charCodeAt(i);if((c>=1)&&(c<=127)){out+=str.charAt(i)}else{if(c>2047){out+=String.fromCharCode(224|((c>>12)&15));out+=String.fromCharCode(128|((c>>6)&63));out+=String.fromCharCode(128|((c>>0)&63))}else{out+=String.fromCharCode(192|((c>>6)&31));out+=String.fromCharCode(128|((c>>0)&63))}}}return out}function utf8to16(str){var out,i,len,c;var char2,char3;out="";len=str.length;i=0;while(i<len){c=str.charCodeAt(i++);switch(c>>4){case 0:case 1:case 2:case 3:case 4:case 5:case 6:case 7:out+=str.charAt(i-1);break;case 12:case 13:char2=str.charCodeAt(i++);out+=String.fromCharCode(((c&31)<<6)|(char2&63));break;case 14:char2=str.charCodeAt(i++);char3=str.charCodeAt(i++);out+=String.fromCharCode(((c&15)<<12)|((char2&63)<<6)|((char3&63)<<0));break}}return out}function doit(){var f=document.f;f.output.value=base64encode(utf16to8(f.source.value));f.decode.value=utf8to16(base64decode(f.output.value))};
function GetQueryString(name)
{
     var reg = new RegExp("(^|&)"+ name +"=(.*)$");
     var r = window.location.search.substr(1).match(reg);
     if(r!=null) { 
         return  unescape(r[2]);
     } else {
         return window.location.pathname.replace("/goto/",""); //注意代码中的/goto/和跳转地址/goto/保持一致，请记得自行修改！
     }
}
jump_url = GetQueryString("url");
// 若传入的是base加密数据，则进行解密处理
if( jump_url == base64encode(base64decode(jump_url))) {
    jump_url = base64decode(jump_url);
}
// 自定义一些特殊字符串的跳转，请根据实际需求自行发挥，比如：
// 访问 "/goto/weibo" 会跳转到百度首页：
if(jump_url=="weibo") {
   jump_url="https://weibo.com/333232333";
}

// 网址校验
var UrlReg = "^((http|https|thunder|qqdl|ed2k|Flashget|qbrowser|ftp|rtsp|mms)://)";
if(jump_url == null || jump_url.toString().length<1 || !jump_url.match(UrlReg)) {
    document.title = "参数错误，正在返回首页...";
    jump_url = location.origin;
}
// 延时执行跳转
setTimeout(function link_jump()
{   
// 防止盗用，但是微信等客户端无法取得referrer，因此这里允许了referrer为空的访问，请自行修改zhang.ge为自己的域名
  var MyHOST = new RegExp("sheruo\.com");
  if (!MyHOST.test(document.referrer) && document.referrer.length ) {
      alert("请不要盗用本站跳转页面！");
      location.href = "https://sheruo.com/";
      return;
  }
  location.href = jump_url;
},300);
setTimeout(function(){window.opener=null;window.close();}, 50000);
</script>
<title>页面加载中，请稍候...</title>
<style type="text/css">
a,abbr,acronym,address,applet,article,aside,audio,b,big,blockquote,body,canvas,caption,center,cite,code,dd,del,details,dfn,div,dl,dt,em,embed,fieldset,figcaption,figure,footer,form,h1,h2,h3,h4,h5,h6,header,hgroup,html,i,iframe,img,ins,kbd,label,legend,li,mark,menu,nav,object,ol,output,p,pre,q,ruby,s,samp,section,small,span,strike,strong,sub,summary,sup,table,tbody,td,tfoot,th,thead,time,tr,tt,u,ul,var,video{margin:0;padding:0;border:0;font-size:100%;font:inherit;vertical-align:baseline}body{background:#3498db}#loader-container{width:188px;height:188px;color:#fff;margin:0 auto;position:absolute;top:50%;left:50%;margin-right:-50%;transform:translate(-50%,-50%);border:5px solid #3498db;border-radius:50%;-webkit-animation:borderScale 1s infinite ease-in-out;animation:borderScale 1s infinite ease-in-out}#loadingText{font-family:"Microsoft YaHei",Helvetica,Arial,Lucida Grande,Tahoma,sans-serif,Raleway,sans-serif;font-size:1.4em;position:absolute;top:50%;left:50%;margin-right:-50%;transform:translate(-50%,-50%)}@-webkit-keyframes borderScale{0%{border:5px solid #fff}50%{border:25px solid #3498db}100%{border:5px solid #fff}}@keyframes borderScale{0%{border:5px solid #fff}50%{border:25px solid #3498db}100%{border:5px solid #fff}}
</style>
</head>
<body>
<div id="loader-container"><p id="loadingText">页面加载中...</p></div>
</body>
</html>

文章ID连续，禁止草稿等无用功能

/*WordPress 文章 ID 连续之终极插件,彻底禁用自动保存和修订版本，新建文章时也不会产生无用的 auto-draft 记录。*/
 
function keep_id_continuous(){
	global $wpdb;
	$lastID = $wpdb->get_var("SELECT ID FROM $wpdb->posts WHERE post_status = 'publish' OR post_status = 'draft' OR post_status = 'private' OR ( post_status = 'inherit' AND post_type = 'attachment' ) ORDER BY ID DESC LIMIT 1");
	$wpdb->query("DELETE FROM $wpdb->posts WHERE ( post_status = 'auto-draft' OR ( post_status = 'inherit' AND post_type = 'revision' ) ) AND ID > $lastID");
	$lastID++;
	$wpdb->query("ALTER TABLE $wpdb->posts AUTO_INCREMENT = $lastID");
}
 
// 将函数钩在新建文章、上传媒体和自定义菜单之前。
add_filter( 'load-post-new.php', 'keep_id_continuous' );
add_filter( 'load-media-new.php', 'keep_id_continuous' );
add_filter( 'load-nav-menus.php', 'keep_id_continuous' );
 
// 禁用自动保存，编辑长文章前请注意手动保存。
add_action( 'admin_print_scripts', create_function( '$a', "wp_deregister_script('autosave');" ) );
 
//禁用文章修订版本
add_filter( 'wp_revisions_to_keep', 'specs_wp_revisions_to_keep', 10, 2 );
function specs_wp_revisions_to_keep( $num, $post ) {  return 0; }

//禁用所有文章类型的修订版本
add_filter( 'wp_revisions_to_keep', 'fanly_wp_revisions_to_keep', 10, 2 );
function fanly_wp_revisions_to_keep( $num, $post ) { return 0;}

//禁用自动保存
add_action('wp_print_scripts', 'fanly_no_autosave');
function fanly_no_autosave() { wp_deregister_script('autosave'); }
//彻底禁止WordPress缩略图，如此处无用，到主题函数文件functions.php注释掉post-thumbnails及相关尺寸
add_filter( 'add_image_size', create_function( '', 'return 1;' ) );

//禁用 create_fun_core 函数
add_filter( 'create_fun_core', '__return_false' );

使用smtp发送邮件设置

//使用smtp发送邮件，代码中使用的是QQ邮箱，你可以参照你使用的邮箱具体设置SMTP   
add_action('phpmailer_init', 'mail_smtp');   
function mail_smtp( $phpmailer ) {   
    $phpmailer->FromName = '设若SheRuo.com'; //发件人   
    $phpmailer->Host = 'smtp.126.com'; //修改为你使用的SMTP服务器   
    $phpmailer->Port = 465; //SMTP端口   
    $phpmailer->Username = 'sheruo@126.com'; //邮箱账户      
    $phpmailer->Password = '*****'; //邮箱密码   
    $phpmailer->From = 'sheruo@126.com'; //你的邮箱      
    $phpmailer->SMTPAuth = true;      
    $phpmailer->SMTPSecure = 'ssl'; //tls or ssl （port=25留空，465为ssl）   
    $phpmailer->IsSMTP();   
}
//smtp设置结束
// 调用邮件模版
include_once('notify.php');
//调用结束
//notify.php文件格式
<?php
 //定义界面顶部区域内容,请注意修改您的主题目录
$email_bg =get_bloginfo('url') .'/images/email.jpg';
define ('emailbg', $email_bg );

$email_headertop = '
    <div class="emailpaged" style="background-image: url('.emailbg.');-webkit-background-size: cover;-moz-background-size: cover;-o-background-size: cover;background-size: cover;background-position: center center;background-repeat: no-repeat;">
        <div class="emailcontent" style="width:100%;max-width:720px;text-align: left;margin: 0 auto;padding-top: 80px;padding-bottom: 20px">
            <div class="emailtitle">
                <h1 style="color:#fff;background: #51a0e3;line-height:70px;font-size:24px;font-weight:normal;padding-left:40px;margin:0;border-radius:5px">
';
define ('emailheadertop', $email_headertop );
 
 $email_headerbot = '
                </h1>
                <div class="emailtext" style="background:#fff;padding:20px 32px 40px;">
';
define ('emailheaderbot', $email_headerbot );
 
 //定义界面底部区域内容，请注意修改下面广告图片地址
$email_footer = '
                <p style="color: #6e6e6e;font-size:13px;line-height:24px;">(此邮件由系统自动发出, 请勿回复。)</p>
                </div>
                <div class="emailad" style="margin-top: 24px;">
                    <a href="' . get_bloginfo('url') . '">
                        <img src="http://reg.163.com/images/secmail/adv.png" alt="" style="margin: auto;width:100%;max-width:700px;height: auto;">
                    </a>
                </div>
                <p style="color: #6e6e6e;font-size:13px;line-height:24px;text-align:right;padding:0 32px">邮件来自：<a href="' . get_bloginfo('url') . '" style="color:#51a0e3;text-decoration:none">' . get_option("blogname") . '</a></p>
            </div>
        </div>
    </div>
';
define ('emailfooter', $email_footer );
 
 //修改网站默认发信人以及邮箱
function new_from_name($email){
    $wp_from_name = get_option('blogname');
    return $wp_from_name;
}
function new_from_email($email) {
    $wp_from_email = get_option('admin_email');
    return $wp_from_email;
}
add_filter('wp_mail_from_name', 'new_from_name');
add_filter('wp_mail_from', 'new_from_email');

//评论通过通知评论者
add_action('comment_unapproved_to_approved', 'iwill_comment_approved');
function iwill_comment_approved($comment) {
  if(is_email($comment->comment_author_email)) {
    $post_link = get_permalink($comment->comment_post_ID);
    
    // 邮件标题，可自行更改
    $title = '您在 [' . get_option('blogname') . '] 的评论已通过审核';
    
    // 邮件内容，按需更改。如果不懂改，可以给我留言
    $body = emailheadertop.'留言审核通过通知'.emailheaderbot.'<p style="color: #6e6e6e;font-size:13px;line-height:24px;">您在<a href="' . get_bloginfo('url') . '">' . get_option('blogname') . '</a>对于《<a href="'.$post_link.'">'.get_the_title($comment->comment_post_ID).'</a>》发表的评论：</p>
            <p style="color: #6e6e6e;font-size:13px;line-height:24px;padding:10px 20px;background:#f8f8f8;margin:0px">'.$comment->comment_content.'</p>
            <p style="color: #6e6e6e;font-size:13px;line-height:24px;">已通过管理员审核并显示。<br />
            您可在此查看您的评论：<a href="'.get_comment_link( $comment->comment_ID ).'">前往查看</a></p>
			<p style="color: #6e6e6e;font-size:13px;line-height:24px;">感谢你对 <a href="' . get_option('home') . '">' . get_option('blogname') . ' | SheRuo.com</a> 的关注，如您有任何疑问，欢迎在 <a href="https://sheruo.com/about">博客留言</a>  ，我会尽快回复。</p>'.emailfooter;
            
    @wp_mail($comment->comment_author_email, $title, $body, "Content-Type: text/html; charset=UTF-8");        
  }
}

/* 邮件评论回复美化版 */
function comment_mail_notify($comment_id) {
    $admin_email = get_bloginfo ('admin_email'); 
    $comment = get_comment($comment_id);
    $comment_author_email = trim($comment->comment_author_email);
    $parent_id = $comment->comment_parent ? $comment->comment_parent : '';
    $to = $parent_id ? trim(get_comment($parent_id)->comment_author_email) : '';
    $spam_confirmed = $comment->comment_approved;
    if (($parent_id != '') && ($spam_confirmed != 'spam') && ($to != $admin_email)) {
    $wp_email = 'no-reply@' . preg_replace('#^www\.#', '', strtolower($_SERVER['SERVER_NAME']));
    $subject = '您在 [' . get_option("blogname") . '] 的留言有了新回复';
    $message = emailheadertop.'您在' . get_option("blogname") . '上的留言有回复啦！'.emailheaderbot.'
      <p style="color: #6e6e6e;font-size:13px;line-height:24px;">' . trim(get_comment($parent_id)->comment_author) . ', 您好!</p>
      <p style="color: #6e6e6e;font-size:13px;line-height:24px;">您曾在 <a href="' . get_option('home') . '">' . get_option('blogname') . ' | SheRuo.com</a>文章《<a href="'.$post_link.'">'.get_the_title($comment->comment_post_ID).'</a>》上发表评论:<br />
      <p style="color: #6e6e6e;font-size:13px;line-height:24px;padding:10px 20px;background:#f8f8f8;margin:0px">'. trim(get_comment($parent_id)->comment_content) . '</p>
      <p style="color: #6e6e6e;font-size:13px;line-height:24px;">' . trim($comment->comment_author) . ' 给你的回复:<br />
      <p style="color: #6e6e6e;font-size:13px;line-height:24px;padding:10px 20px;background:#f8f8f8;margin:0px">'. trim($comment->comment_content) . '</p>
      <p style="color: #6e6e6e;font-size:13px;line-height:24px;">你可以点击<a href="' . htmlspecialchars(get_comment_link($parent_id, array('type' => 'comment'))) . '">查看完整内容</a></p>
      <p style="color: #6e6e6e;font-size:13px;line-height:24px;">感谢你对 <a href="' . get_option('home') . '">' . get_option('blogname') . ' | SheRuo.com</a> 的关注，如您有任何疑问，欢迎在 <a href="https://sheruo.com/about">博客留言</a>  ，我会尽快回复。</p>
            '.emailfooter;
    $from = "From: \"" . get_option('blogname') . "\" <$wp_email>";
    $headers = "$from\nContent-Type: text/html; charset=" . get_option('blog_charset') . "\n";
    wp_mail( $to, $subject, $message, $headers );
    }
  }
  add_action('comment_post', 'comment_mail_notify');

// 博客后台登录失败时发送邮件通知管理员
/*function wp_login_failed_notify(){
    date_default_timezone_set('PRC');
    $admin_email = get_bloginfo('admin_email');
    $to = $admin_email;
    $subject = '【登录失败】有人使用了错误的用户名或密码登录' . get_bloginfo('name') . '！';
    $message =  emailheadertop . get_bloginfo('name') . '账户登录失败通知！'.emailheaderbot.'
            <div style="padding:0;font-weight:bold;color:#6e6e6e;font-size:16px">尊敬的管理员您好！</div>
            <p style="color: red;font-size:13px;line-height:24px;">' . get_bloginfo('name') . '有一条登录失败的记录产生，若登录操作不是您产生的，请及时注意网站安全！</p>
            <table cellpadding="0" cellspacing="0" border="0" style="width:100%;border-top:1px solid #eee;border-left:1px solid #eee;color:#6e6e6e;font-size:16px;font-weight:normal">
                <thead><tr><th colspan="2" style="padding:10px 0;border-right:1px solid #eee;border-bottom:1px solid #eee;text-align:center;background:#f8f8f8;">失败信息如下</th></tr></thead>
                <tbody>
				    <tr>
                        <td style="padding:10px 0;border-right:1px solid #eee;border-bottom:1px solid #eee;text-align:center;width:100px">登录名</td>
                        <td style="padding:10px 20px 10px 30px;border-right:1px solid #eee;border-bottom:1px solid #eee;line-height:30px">' . $_POST['log'] . '</td>
                    </tr>
                    <tr>
                        <td style="padding:10px 0;border-right:1px solid #eee;border-bottom:1px solid #eee;text-align:center">尝试的密码</td>
                        <td style="padding:10px 20px 10px 30px;border-right:1px solid #eee;border-bottom:1px solid #eee;line-height:30px">' . $_POST['pwd'] . '</td>
                    </tr>
				    <tr>
                        <td style="padding:10px 0;border-right:1px solid #eee;border-bottom:1px solid #eee;text-align:center;">登录时间</td>
                        <td style="padding:10px 20px 10px 30px;border-right:1px solid #eee;border-bottom:1px solid #eee;line-height:30px">' . date("Y-m-d H:i:s") . '</td>
                    </tr>  
				    <tr>
                        <td style="padding:10px 0;border-right:1px solid #eee;border-bottom:1px solid #eee;text-align:center;">登录IP</td>
                        <td style="padding:10px 20px 10px 30px;border-right:1px solid #eee;border-bottom:1px solid #eee;line-height:30px">' . $_SERVER['REMOTE_ADDR'] . '</td>
                    </tr>               
                </tbody>
            </table>
            '.emailfooter;
    wp_mail( $to, $subject, $message, "Content-Type: text/html; charset=UTF-8" );
}
add_action('wp_login_failed', 'wp_login_failed_notify');
add_filter('logout_url', 'mk_logout_redirect_home', 10, 2);
function mk_logout_redirect_home($logouturl, $redir){
    $redir = home_url();
    return $logouturl . '&redirect_to=' . urlencode($redir);
}
*/
//用户更新账户通知用户
function user_profile_update( $user_id ) {
        $site_url = get_bloginfo('wpurl');
        $site_name = get_bloginfo('wpname');
        $user_info = get_userdata( $user_id );
        $to = $user_info->user_email;
        $subject = "".$site_name."账户更新";
        $message = emailheadertop.'您在' .$site_name. '账户资料修改成功！'.emailheaderbot.'<p style="color: #6e6e6e;font-size:13px;line-height:24px;">亲爱的 ' .$user_info->display_name . '<br/>您的资料修改成功!<br/>谢谢您的光临</p>'.emailfooter;

        wp_mail( $to, $subject, $message, "Content-Type: text/html; charset=UTF-8");
}
add_action( 'profile_update', 'user_profile_update', 10, 2);

//用户账户被删除通知用户
function iwilling_delete_user( $user_id ) {
    global $wpdb;
    $site_name = get_bloginfo('name');
    $user_obj = get_userdata( $user_id );
    $email = $user_obj->user_email;
    $subject = "帐号删除提示：".$site_name."";
    $message = emailheadertop.'您在' .$site_name. '的账户已被管理员删除！'.emailheaderbot.'<p style="color: #6e6e6e;font-size:13px;line-height:24px;">如果您对本次操作有什么异议，请联系管理员反馈！<br/>我们会在第一时间处理您反馈的问题.</p>'.emailfooter;
    wp_mail( $email, $subject, $message, "Content-Type: text/html; charset=UTF-8");
}
add_action( 'delete_user', 'iwilling_delete_user' );

// WordPress 发布新文章后邮件通知已注册的用户
function newPostNotify($post_ID) {
    if( wp_is_post_revision($post_ID) ) return;
    global $wpdb;
    $site_name = get_bloginfo('name');
    $post_contents = get_post($post_ID)->post_content;
    $get_post_info = get_post($post_ID);
    if ( $get_post_info->post_status == 'publish' && $_POST['original_post_status'] != 'publish' ) {
        // 读数据库，获取所有用户的email
        $wp_user_email = $wpdb->get_col("SELECT DISTINCT user_email FROM $wpdb->users");
        // 邮件标题
        $subject = 'Hi!'.$site_name.'发布新文章啦!';
        // 邮件内容
        $message = emailheadertop.$site_name. '发布新文章啦!'.emailheaderbot.'
        <div style="padding:0;font-weight:bold;color:#6e6e6e;font-size:16px">文章标题：' . get_the_title($post_ID) . '</div>
        <p style="color: #6e6e6e;font-size:13px;line-height:24px;">' . mb_strimwidth($post_contents, 0, 320,"...") . '</p>
        <p style="color: #6e6e6e;font-size:13px;line-height:24px;text-align:right"><a href="' . get_permalink($post_ID) . '">查看全文</a><br /></p>
        '.emailfooter;
        // 发邮件
        $message_headers = "Content-Type: text/html; charset=\"utf-8\"\n";
        wp_mail($wp_user_email, $subject, $message, $message_headers); 
    }
}
add_action('publish_post', 'newPostNotify');
?>

禁止纯英日文评论，有效杜绝垃圾评论


// 禁止英文评论
function scp_comment_post( $incoming_comment ) {
$pattern = '/[一-龥]/u';
if(!preg_match($pattern, $incoming_comment['comment_content'])) {
wp_die( "You should type some Chinese word (like \"你好\") in your comment to pass the spam-check, thanks for your patience! 您的评论中必须包含汉字!" );
}
return( $incoming_comment );
}
add_filter('preprocess_comment', 'scp_comment_post');
// 禁止日文评论
function BYMT_comment_jp_post( $incoming_comment ) {
$jpattern ='/[ぁ-ん]+|[ァ-ヴ]+/u';
if(preg_match($jpattern, $incoming_comment['comment_content'])){
wp_die( "禁止有日文字符的评论 You should type some Chinese word" );
}
return( $incoming_comment );
}
add_filter('preprocess_comment', 'BYMT_comment_jp_post');
//评论过滤结束

评论头像缓存在本地服务器

// 评论头像缓存在本地服务器，根目录新建个/avatar/文件夹，也可以自定义
function my_avatar($avatar) {
    $tmp = strpos($avatar, 'http');
    $g = substr($avatar, $tmp, strpos($avatar, "'", $tmp) - $tmp);
    $tmp = strpos($g, 'avatar/') + 7;
    $f = substr($g, $tmp, strpos($g, "?", $tmp) - $tmp);
    $w = get_bloginfo('wpurl');
    $e = ABSPATH .'avatar/'. $f .'.jpg';
    $t = 1209600; //设定为14天，单位/秒
    if ( !is_file($e) || (time() - filemtime($e)) > $t ) { //当头像不存在或超过14天更新
        copy(htmlspecialchars_decode($g), $e);
    } else  $avatar = strtr($avatar, array($g => $w.'/avatar/'.$f.'.jpg'));
        if (filesize($e) < 500) copy($w.'/avatar/default.jpg', $e);
        return $avatar;
    }
add_filter('get_avatar', 'my_avatar');

精简header.php头部代码

//精简header.php头部代码
remove_action('wp_head', 'rsd_link');//移除离线编辑器开放接口
remove_action('wp_head', 'wlwmanifest_link');//移除离线编辑器开放接口
remove_action('wp_head', 'wp_shortlink_wp_head');//移除短链接
remove_action('wp_head', 'adjacent_posts_rel_link');// 上、下篇.
remove_action('wp_head', 'wp_generator' );//移除WordPress版本
remove_action('wp_head', 'parent_post_rel_link', 10, 0 );//清除前后文信息
remove_action('wp_head', 'start_post_rel_link', 10, 0 );//清除前后文信息
//禁用REST API
add_filter('rest_enabled', '__return_false');
add_filter('rest_jsonp_enabled', '__return_false');
remove_action( 'wp_head', 'rest_output_link_wp_head', 10 );
remove_action( 'wp_head', 'wp_oembed_add_discovery_links', 10 );
//禁用WordPress Emoji功能
remove_action( 'admin_print_scripts',   'print_emoji_detection_script');
remove_action( 'admin_print_styles',    'print_emoji_styles');
remove_action( 'wp_head',       'print_emoji_detection_script', 7);
remove_action( 'wp_print_styles',   'print_emoji_styles');
remove_filter( 'the_content_feed',  'wp_staticize_emoji');
remove_filter( 'comment_text_rss',  'wp_staticize_emoji');
remove_filter( 'wp_mail',       'wp_staticize_emoji_for_email');
//移除 WordPress 头部加载 DNS 预获取（dns-prefetch）
function remove_dns_prefetch( $hints, $relation_type ) {
    if ( 'dns-prefetch' === $relation_type ) {
        return array_diff( wp_dependencies_unique_hosts(), $hints );
    }
 
    return $hints;
}
add_filter( 'wp_resource_hints', 'remove_dns_prefetch', 10, 2 );

添加seo关键字及描述，自动获取关键词及描述，添加og标签

// 添加seo关键字及描述
function wp_sheruoseo(){
  global $s, $post;
    $description = '';
    $keywords = '';
if (is_home()) {// 将以下引号中的内容改成你的主页description
   $description = "设若，主要从事互联网知识产权保护，知识产权经验分享，商标专利疑难案件处理、由sheruo发起的一个知识产权保护的经验交流平台、设若、一个专注知识产权与互联网的博客。SheRuo.com";
   // 将以下引号中的内容改成你的主页keywords
   $keywords = "sheruo,互联网知识产权,设若,设若博客,知识产权博客,商标博客,专利博客";
}
elseif (is_single()) {//文章页关键词及描述
   $description1 = get_post_meta($post->ID, "description", true);
   $description2 = str_replace("\n","",mb_strimwidth(strip_tags($post->post_content), 0, 200, "…", 'utf-8'));
   // 填写自定义字段description时显示自定义字段的内容，否则使用文章内容前200字作为描述
   $description = $description1 ? $description1 : $description2;
   // 填写自定义字段keywords时显示自定义字段的内容，否则使用文章tags作为关键词
   $keywords = get_post_meta($post->ID,"keywords",true);
   if($keywords == '') {
      $tags = wp_get_post_tags($post->ID);    
      foreach ($tags as $tag ) {        
         $keywords = $keywords . $tag->name .",";    
      }
	  foreach ( get_the_category ( $post->ID ) as $category )
            $keywords .= $category->cat_name . ',';
      $keywords = rtrim($keywords, ', ');	   
     }
}
elseif (is_category()) {//定义分类添加描述和关键词
     if (is_category('生活')) {//输入分类名称，自定义分类关键词及描述
     $description = category_description();//此处描述可自定义，输入格式：'这里填写描述';
     $keywords = '生活,设若,生活博客';
     }
    elseif (is_category('笔记')) {//输入分类名称，自定义分类关键词及描述，分类多复制本段定义即可。
     $description = category_description();
     $keywords = '笔记,设若,折腾记录,储备库';
     }
    elseif (is_category('知识产权')) {//输入分类名称，自定义分类关键词及描述，分类多复制本段定义即可。
     $description = category_description();
     $keywords = '知识产权,互联网知识产权,商标,专利,版权,设若';
     }
     else { // 分类的默认描述及关键词，可以到后台 - 文章 -分类目录，修改分类的描述,关键词默认显示名称
     $description = category_description();
     $keywords = single_cat_title('', false);
	 }
}
elseif (is_page()){//定义页面添加关键词和描述
   if (is_page('关于')){
    $description =  str_replace("\n","",mb_strimwidth(strip_tags($post->post_content), 0, 200, "…", 'utf-8'));
    $keywords = '关于设若,设若网,sheruo';
    }
   elseif (is_page('问答')) {
     $description = str_replace("\n","",mb_strimwidth(strip_tags($post->post_content), 0, 200, "…", 'utf-8'));
     $keywords = '商标问答,专利问答,侵权问答,法规';
	}
	elseif (is_page('归档')) {
     $description = '所有文章都在这里，设若、一个专注知识产权与经验分享的博客。SheRuo.com';
     $keywords = '文章归档,设若归档,设若';
	}
	elseif (is_page('友链')) {
     $description = str_replace("\n","",mb_strimwidth(strip_tags($post->post_content), 0, 200, "…", 'utf-8'));
     $keywords = '设若友链,互相连接,友情链接';
	}
	else { // 默认页面的关键词描述
     $description = str_replace("\n","",mb_strimwidth(strip_tags($post->post_content), 0, 200, "…", 'utf-8'));
     $keywords =  get_the_title('', false); 
    }
}
elseif (is_tag()){// 标签的description可以到后台 - 文章 - 标签，修改标签的描述
   $description = tag_description();
   $keywords = single_tag_title('', false);
}
elseif (is_search()){// 搜索页面的关键词描述
   $description = " '" . esc_html ( $s, 1 ) . "' 的搜索結果";
   $keywords =  esc_html ( $s, 1 );
}
else {//默认页关键词设置
        $description = $blog_name . "有关 '" . trim ( wp_title ( '', false ) ) . "' 的文章";
        $keywords = trim ( wp_title ( '', false ) );
		}
$description = trim(strip_tags($description));
$keywords = trim(strip_tags($keywords));
echo '<meta name="keywords" content="'.$keywords.'" />';
echo '<meta name="description" content="'.$description.'" />';
if(is_home()||is_search()){
   echo '<meta name="robots" content="index, follow" />
   <meta property="og:type" content="website"/>
   <meta property="og:url" content="'.get_bloginfo( 'url' ).'" />
   <meta property="og:description" content="'.$description.'" />';
		}
if(is_category()){
   echo '<meta name="robots" content="index, follow" />
   <meta property="og:type" content="category"/>
   <meta property="og:url" content="'.home_url(add_query_arg(array())).'" />
   <meta property="og:title" content="'.single_cat_title('', false).'" />
   <meta property="og:description" content="'.$description.'" />';
		}
if(is_tag()){
   echo '<meta name="robots" content="index, follow" />
   <meta property="og:type" content="Tag"/>
   <meta property="og:url" content="'.home_url(add_query_arg(array())).'" />
   <meta property="og:title" content="'.single_tag_title('', false).'" />
   <meta property="og:description" content="'.$description.'" />';
		}
echo '<meta property="og:site_name" content="'. get_bloginfo('name').'" />		
	  <meta property="article:site_name" content="'. get_bloginfo('name'). '" />
	  <meta name="Copyright" content="Copyright © ' . get_bloginfo('name').' All Rights Reserved "/>
	';
if(is_single()||is_page()){//判断是文章或者页面输出og标签
echo '<meta property="og:type" content="article"/>
	  <meta property="og:title" content="'.get_the_title().'" />
	  <meta property="og:author" content="' .get_the_author_meta( 'display_name', $post->post_author ). '" />
	  <meta property="og:description" content="'.$description.'" />
	  <meta property="og:url" content="'.get_permalink().'" />
	  <meta property="og:release_date" content="'.get_the_time('c').'"/>
	  <meta property="og:image" content="'.lxtx_post_images_nums($post->ID,1).'" />
      <meta property="article:author" content="'. get_the_author_meta( 'display_name', $post->post_author ). '" />
	  <meta property="article:published_first" content="'.get_the_title().','.get_permalink().'" />
	  <meta property="article:published_time" content="'.get_the_time('c').'"/>
	  <meta itemprop="image" content="'.lxtx_post_images_nums($post->ID,1).'" />      
';
}
}
//添加关键词及描述结束
2019.12.25更新

添加热门文章友链小工具

//添加热门文章小工具
if( function_exists( 'register_sidebar_widget' ) ) {   
    register_sidebar_widget('热评文章','mb_hot'); 
	 register_sidebar_widget('友情连接','mb_links'); 
    //有多个就再添加上面这句，把mb_hot修改对应的函数名
} 
function mb_hot() { include(get_stylesheet_directory(). '/hot.php'); } 
function mb_links() { include(get_stylesheet_directory(). '/link.php'); }  
//有多个就再用上面这句定义
热门文章，友链模版上方有。

添加阅读数代码及统计代码

//postviews 阅读数  
function get_post_views ($post_id) {   
    $count_key = 'views';   
    $count = get_post_meta($post_id, $count_key, true);   
      if ($count == '') {   
        delete_post_meta($post_id, $count_key);   
        add_post_meta($post_id, $count_key, '0');   
        $count = '0';       }   
      echo number_format_i18n($count);     }     
function set_post_views () {     
    global $post;     
    $post_id = $post -> ID;   
    $count_key = 'views';   
    $count = get_post_meta($post_id, $count_key, true);   
      if (is_single() || is_page()) {   
         if ($count == '') {   
			 delete_post_meta($post_id, $count_key);   
            add_post_meta($post_id, $count_key, '0');   
        } else {   
            update_post_meta($post_id, $count_key, $count + 1);           }   
      }   
  }   
add_action('get_header', 'set_post_views');  
//postviews 阅读数 结束，下方是访问总量，不需要可不加，在需要显示的位置添加浏览<?php get_post_views($post -> ID); ?>次
//获取总访问量
function lo_all_view(){ global $wpdb;$count=0;$views= $wpdb->get_results("SELECT * FROM $wpdb->postmeta WHERE meta_key='views'");foreach($views as $key=>$value){$meta_value=$value->meta_value;if($meta_value!=' '){$count+=(int)$meta_value;}}return $count;}
//获取总访问量结束

方糖评论微信通知

//评论微信推送    
function sc_send($comment_id)  
{  
$text = '博客上有一条新的评论';  
$comment = get_comment($comment_id);  
$desp = $comment->comment_content;  
$key = '验证码';  
$postdata = http_build_query(  
array(  
'text' => $text,  
'desp' => $desp  
)  
);  
$opts = array('http' =>  
array(  
'method' => 'POST',  
'header' => 'Content-type: application/x-www-form-urlencoded',  
'content' => $postdata  
)  
);  
$context = stream_context_create($opts);  
return $result = file_get_contents('http://sc.ftqq.com/'.$key.'.send', false, $context);    
}  
add_action('comment_post', 'sc_send', 19, 2);

修改注册表单，可直接输入密码，避免邮件链接无效。

/*
Plugin Name: Ludou Custom User Register
Plugin URI: http://www.ludou.org/wordpress-ludou-custom-user-register.html
Description: 修改默认的后台用户注册表单，用户可以自行输入密码，不必用Email接收密码，跳过Email验证。用户可自行选择注册的身份角色。
Version: 1.0
Author: Ludou
Author URI: http://www.ludou.org
*/
if (!isset($_SESSION)) {
 	session_start();
	session_regenerate_id();
}
/**
 * 后台注册模块，添加注册表单,修改新用户通知。
 */
if ( !function_exists('wp_new_user_notification') ) :
/**
 * Notify the blog admin of a new user, normally via email.
 *
 * @since 2.0
 *
 * @param int $user_id User ID
 * @param string $plaintext_pass Optional. The user's plaintext password
 */
function wp_new_user_notification($user_id, $plaintext_pass = '', $flag='') {
	if(func_num_args() > 1 && $flag !== 1)
		return;

	$user = new WP_User($user_id);

	$user_login = stripslashes($user->user_login);
	$user_email = stripslashes($user->user_email);

	// The blogname option is escaped with esc_html on the way into the database in sanitize_option
	// we want to reverse this for the plain text arena of emails.

	$message  = sprintf(__('New user registration on your site %s:'), $blogname) . "\r\n\r\n";
	$message .= sprintf(__('Username: %s'), $user_login) . "\r\n\r\n";
	$message .= sprintf(__('E-mail: %s'), $user_email) . "\r\n";

	@wp_mail(get_option('admin_email'), sprintf(__('[%s] New User Registration'), $blogname), $message);

	if ( empty($plaintext_pass) )
		return;

	$message  = sprintf(__('Username: %s'), $user_login) . "\r\n";
	$message .= sprintf(__('Password: %s'), $plaintext_pass) . "\r\n";
	$message .= '登陆网址: ' . wp_login_url() . "\r\n";

	wp_mail($user_email, sprintf(__('[%s] Your username and password'), $blogname), $message);

}
endif;	$blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES);

/* 修改注册表单 */
function ludou_show_password_field() {
	// 生成token，防止恶意注册
	$token = md5(uniqid(rand(), true));
	$_SESSION['ludou_register_abc_token'] = $token;
?>
<p>
	<label>密码(至少6位)<br/>
		<input  class="input" type="password" size="25" value="<?php echo $_POST['user_pass']; ?>" name="user_pass"/>
	</label>
</p>
<p>
	<label>重复密码<br/>
		<input  class="input" type="password" size="25" value="<?php echo $_POST['user_pass2']; ?>" name="user_pass2" />
	</label>
</p>
 <p>
    <label><?php _e('请输入本站域名：sheruo.com') ?><br />
        <input type="text" name="user_proof" id="user_proof" class="input" size="25" tabindex="20" /></label>
    </p>
<input type="hidden" name="spam_check" value="<?php echo $token; ?>" />
<?php
}

/* 处理表单提交的数据 */
function ludou_check_fields($login, $email, $errors) {
	if(!isset($_POST['spam_check']) || $_POST['spam_check'] != $_SESSION['ludou_register_abc_token'])
		$errors->add('spam_detect', "<strong>错误</strong>：请勿恶意注册");
	if(strlen($_POST['user_pass']) < 6 || strlen($_POST['user_pass2']) < 6)
		$errors->add('password_length', "<strong>错误</strong>：密码长度至少6位");
	elseif($_POST['user_pass'] != $_POST['user_pass2'])
		$errors->add('password_error', "<strong>错误</strong>：两次输入的密码必须一致");
	 // 如果没有回答
    if (!isset($_POST[ 'user_proof' ]) || empty($_POST[ 'user_proof' ])) {
        return $errors->add( 'proofempty', '<strong>错误</strong>: 您还没有输入最下方问题。'  );
    // 如果答案不正确
    } elseif ( strtolower( $_POST[ 'user_proof' ] ) != 'sheruo.com' ) {
        return $errors->add( 'prooffail', '<strong>错误</strong>: 您的问题回答不正确。'  );
    }
}

/* 保存表单提交的数据 */
function ludou_register_extra_fields($user_id, $password="", $meta=array()) {
	$userdata = array();
	$userdata['ID'] = $user_id;
	$userdata['user_pass'] = $_POST['user_pass'];

	wp_new_user_notification( $user_id, $_POST['user_pass'], 1 );
	wp_update_user($userdata);
	
	$_SESSION["ludou_register_abc_token"] = NULL;
	unset($_SESSION["ludou_register_abc_token"]);
}

function ludou_register_change_translated_text( $translated_text, $untranslated_text, $domain ) {
  if ( $untranslated_text === 'A password will be e-mailed to you.' || $untranslated_text === 'Registration confirmation will be emailed to you.' )
    return '';
  else if ($untranslated_text === 'Registration complete. Please check your e-mail.' || $untranslated_text === 'Registration complete. Please check your email.')
    return '注册成功！';
  else
    return $translated_text;
}

add_filter('gettext', 'ludou_register_change_translated_text', 20, 3);
add_action('register_form','ludou_show_password_field');
add_action('register_post','ludou_check_fields',10,3);
add_action('user_register', 'ludou_register_extra_fields');

修改登录页面，美化。

<pre class="wp-block-code"><code>
//自定义登录页面的LOGO链接为首页链接及描述
add_filter('login_headerurl', create_function(false,"return get_bloginfo('url');"));
add_filter('login_headertitle', create_function(false,"return get_bloginfo('name');"));
//自定义登录页面的LOGO
function custom_loginlogo() {
echo '&lt;style type="text/css">
h1 a {background-image: url('.get_stylesheet_directory_uri().'/images/login_logo.png) !important; }
body {background-image: url('.get_stylesheet_directory_uri().'/images/bj.png) !important; }
&lt;/style>';
}
add_action('login_head', 'custom_loginlogo');
//去除 WordPress 登录标题中的“- WordPress”
add_filter('login_title', 'zm_custom_login_title', 10, 2);
    function zm_custom_login_title($login_title, $title){
        return $title.' &amp;lsaquo; '.get_bloginfo('name');
}</code></pre>

同步文章到新浪微博头条

/** 
 * WordPress 同步文章到新浪微博头条文章 By 无主题博客 
 */  
function post_to_sina_weibo_toutiao($post_ID) {     
    //ini_set('display_errors', true);
    if(wp_is_post_revision($post_ID)) return;                           //修订版本(更新)不发微博  
    $get_post_info = get_post($post_ID);  
    $get_post_centent = get_post($post_ID)->post_content;  
    $get_post_title = get_post($post_ID)->post_title;  
    if ($get_post_info->post_status == 'publish' && $_POST['original_post_status'] != 'publish')
    {  
    $appkey = '3529149342';          //App Key
    $username = '332323';        //用户名
    $userpassword = '*****';    //密码
    $request = new WP_Http;  
    /* 获取文章标签关键词*/
      $tags = wp_get_post_tags($post_ID);
        foreach ($tags as $tag) {
            $keywords = $keywords.'#'.$tag->name."#";
        }
    $status = '【' . strip_tags($get_post_title) . '】 ' . mb_strimwidth(strip_tags(apply_filters('the_content', $get_post_centent)) , 0, 132, ' ');  
    $api_url = 'https://api.weibo.com/proxy/article/publish.json';  
        $title = strip_tags($get_post_title);
        //头条的标题
        $content = get_post($post_ID)->post_content."\r\n原文:<a href=" . get_permalink($post_ID).">点击查看</a>";
        //头条的正文
        $cover = traum_toutiao_mmimg($post_ID);
        //头条的封面
        $summary = mb_strimwidth(strip_tags(apply_filters('the_content', $get_post_centent)) , 0, 110, '...');
        //头条的导语
        $text = mb_strimwidth(strip_tags(apply_filters('the_content', $get_post_centent)) , 0, 110, $status).$keywords.'原文地址:' . get_permalink($post_ID);
        //微博的内容
     $body = array(
            'title' => $title,
            'content' => $content,
            'cover' => $cover,
            'summary' => $summary,
            'text' => $text,
            'source' => $appkey
        );
    $headers = array('Authorization' => 'Basic ' . base64_encode("$username:$userpassword"));  
    $result = $request->post($api_url, array('body' => $body,'headers' => $headers)); 
    logInfo($result['body']);
  }  
} 
add_action('publish_post', 'post_to_sina_weibo_toutiao', 0);        //给发布文章增加一个分享微博头条文章的动作
//获取封面
function traum_toutiao_mmimg($postID) {
    $cti = traum_catch_that_image($postID);
    //得到$first_img的值，并赋值给$cti
    $showimg = $cti;
    //将$cti的值赋值给$showimg
    has_post_thumbnail();
    if (has_post_thumbnail()) {
        //判断是否有特色图片，有则将$showimg的值替换为特色图片的地址，否则不变
        $thumbnail_image_url = wp_get_attachment_image_src(get_post_thumbnail_id(),'thumbnail');
        $shareimg = $thumbnail_image_url[0];
    } else {
        $shareimg = $showimg;
    }
    ;
    return $shareimg;
}
//调用代码：mmimg($post_ID)

function traum_catch_that_image($postID) {
    $first_img = '';
    ob_start();
    ob_end_clean();
    $output = preg_match_all('/<img.+src=\"?(.+\.(jpg|gif|bmp|bnp|png))\"?.+>/i',get_post($postID)->post_content,$matches);
    $first_img = $matches[1][0];
    //将文章第一张图片的地址赋值给$first_img
    if (empty($first_img)) {
        //文章第一张图为空，也就是整篇文章没有图片，将默认设置的图片的地址赋值给$first_img
        $popimg = get_option('git_sina_weibo_cover');
        $first_img = $popimg;
    }
    return $first_img;
}

//调用代码：mmimg($post_ID)
 //写日志函数
function logInfo($msg)
{
   $logSwitch = 0;                                     // 日志开关：1表示打开，0表示关闭
    $logFile    = '/tmp/sync_weibo.log';    // 日志路径           
    if ($logSwitch == 0 ) return;
    date_default_timezone_set('Asia/Shanghai');
    file_put_contents($logFile, date('[Y-m-d H:i:s]: ') . $msg . PHP_EOL, FILE_APPEND);
    return $msg;
}
//微博头条同步结束

链接统一化。分类目录和标签地址后添加斜杠，页面加html

// 分类目录地址后添加斜杠
if (is_admin()) return;
$permalink_structure = get_option('permalink_structure');
if (!$permalink_structure || '/' === substr($permalink_structure, -1))
return;
add_filter('user_trailingslashit', 'ppm_fixe_trailingslash', 10, 2);
function ppm_fixe_trailingslash($url, $type)
{
if ('single' === $type || 'page' === $type)
return $url;
return trailingslashit($url);
}
/*
WordPress页面链接添加html后缀
*/
function html_page_permalink() {
global $wp_rewrite;
if ( !strpos($wp_rewrite->get_page_permastruct(), '.html')){
$wp_rewrite->page_structure = $wp_rewrite->page_structure . '.html';
}
}
add_action('init', 'html_page_permalink', -1);
//添加完记得到固定连接保存刷新下。

其他杂项。

/**
 * WordPress 后台禁用Google Open Sans字体，加速网站
 * https://www.wpdaxue.com/disable-google-fonts.html
 */
add_filter( 'gettext_with_context', 'wpdx_disable_open_sans', 888, 4 );
function wpdx_disable_open_sans( $translations, $text, $context, $domain ) {
  if ( 'Open Sans font: on or off' == $context && 'on' == $text ) {
    $translations = 'off';
  }
  return $translations;
}
//禁止谷歌字体结束
/**
 * 支持中文注册
 * https://www.jiaxunip.com
 */
function ludou_non_strict_login( $username, $raw_username, $strict ) {
    if( !$strict )
        return $username;

    return sanitize_user(stripslashes($raw_username), false);
}
add_filter('sanitize_user', 'ludou_non_strict_login', 10, 3);
//支持中文注册结束


//更新全站缓存
function newPostRefresh() {
$temp=file_get_contents("https://sheruo.com/?r=y");
}
add_action('publish_post', 'newPostRefresh');
add_action('edit_post', 'newPostRefresh');
add_action('delete_post', 'newPostRefresh');
add_action('comment_post', 'newPostRefresh');
add_action('edit_comment', 'newPostRefresh');
add_action('delete_comment', 'newPostRefresh');
add_action('wp_set_comment_status', 'newPostRefresh');
add_action('switch_theme', 'newPostRefresh');
// 全站缓存结束


/** RSS Feed copyright 文章底部加版权*/
function feed_copyright($content) {
if(is_single() or is_feed()) {
$content.= '<br/><div class="copyright"><p>除非注明，文章均由 <a rel="author"  title="' .get_the_author(). '" href="'.get_author_posts_url( get_the_author_meta( 'ID' ) ) .'">' .get_the_author(). '</a> 原创发布，欢迎转载。 转载请注明链接：<a rel="bookmark" title="'.get_the_title().'" href="'.get_permalink().'">'.get_permalink().'</a></p></div>';
}
return $content;
}
add_filter ('the_content', 'feed_copyright');
/** 文章底部加版权结束 */




//移除评论 Cookie 确认复选框
add_filter('comment_form_field_cookies','__return_false');
//默认记录评论 Cookie
add_action('set_comment_cookies','coffin_set_cookies',10,3);
function coffin_set_cookies( $comment, $user, $cookies_consent){
   $cookies_consent = true;
   wp_set_comment_cookies($comment, $user, $cookies_consent);
}
//记录评论者信息结束


//在首页中排除某些分类，需要时开启
/*
function exclude_category_home( $query ) {
if ( $query->is_home ) {
$query->set( 'cat', '-3' );
}
return $query;
}
add_filter( 'pre_get_posts', 'exclude_category_home' );
*/
//媒体文件添加标签
function ludou_add_tags_to_attachments() {
   register_taxonomy_for_object_type( 'post_tag', 'attachment' );
}
add_action( 'init' , 'ludou_add_tags_to_attachments' );

获取音乐外链地址。

https://music.163.com/song/media/outer/url?id=网易云音乐歌曲的ID数字.mp3
替换完网易云音乐链接后直接浏览器访问，获得http音乐源地址，
参考：https://sheruo.com/385.html

//头像显示
add_filter('get_avatar', function ($avatar) {
return str_replace([
'www.gravatar.com/avatar/',
'0.gravatar.com/avatar/',
'1.gravatar.com/avatar/',
'2.gravatar.com/avatar/',
'secure.gravatar.com/avatar/',
'cn.gravatar.com/avatar/'
], 'sdn.geekzu.org/avatar/', $avatar);
});
参考：https://zmingcx.com/gravatar-wp-china-yes.html

2019-11-5

2019-11-12

2019-11-13：

2019-11-14：

2019-11-15

2019-11-16

2019-11-20

2019-12-17

2019-12-19

2019-12-20

2019-12-21

2019-12-22

2019-12-25

2019-12-29

2019-12-31

2020-1-3

2020-1-7

2020-2-6

修改代码记录

子主题css样式

相关文章代码

友情连接判断分别显示

复制加版权提示及控制台显示信息

文章归档代码、标签归档代码、站点统计

去除category分类链接

WordPress标签自动添加内链

WordPress百度提交，熊掌号提交

WordPress获取文章内图片的数量及文章中第一张图片的地址

文章和评论外链转内链跳转，评论者链接新窗口打开

文章ID连续，禁止草稿等无用功能

使用smtp发送邮件设置

禁止纯英日文评论，有效杜绝垃圾评论

评论头像缓存在本地服务器

精简header.php头部代码

添加seo关键字及描述，自动获取关键词及描述，添加og标签

添加热门文章友链小工具

添加阅读数代码及统计代码

方糖评论微信通知

修改注册表单，可直接输入密码，避免邮件链接无效。

修改登录页面，美化。

同步文章到新浪微博头条

链接统一化。分类目录和标签地址后添加斜杠，页面加html

其他杂项。

获取音乐外链地址。

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