functions.php

<?php
    //注册菜单
    register_nav_menus(array(
	   'MainNav'=>'主导航',
	));
?>
<?php
if ( function_exists('register_sidebar') )
    register_sidebar(array(
        'before_widget' => '<div class="sidebox">    ',
        'after_widget' => '</div>',
        'before_title' => '<h2>',
        'after_title' => '</h2>',
    ));
?>
<?php 
	//注册特色图像
	add_theme_support('post-thumbnails');
	set_post_thumbnail_size(220, 150, true); // 图片宽度与高度
?>
<?php  //控制分页页面，每个页面所显示的文章数量
	/*function custom_posts_per_page($query){
		if(is_home()){
		$query->set('posts_per_page',15);//首页每页显示12篇文章
		}
		if(is_search()){
			$query->set('posts_per_page',10);//搜索页显示所有匹配的文章，不分页
		}
		if(is_archive()){
			$query->set('posts_per_page',15);//其它页面每页显示10篇文章
	}//endif
	}//function
	add_action('pre_get_posts','custom_posts_per_page');*/
?>
<?php  //文章分类统计
function wt_get_category_count($input = '') { 
global $wpdb; 
if($input == '') { 
$category = get_the_category(); 
return $category[0]->category_count; 
} 
elseif(is_numeric($input)) { 
$SQL = "SELECT $wpdb->term_taxonomy.count FROM $wpdb->terms, $wpdb->term_taxonomy WHERE $wpdb->terms.term_id=$wpdb->term_taxonomy.term_id AND $wpdb->term_taxonomy.term_id=$input"; 
return $wpdb->get_var($SQL); 
} 
else { 
$SQL = "SELECT $wpdb->term_taxonomy.count FROM $wpdb->terms, $wpdb->term_taxonomy WHERE $wpdb->terms.term_id=$wpdb->term_taxonomy.term_id AND $wpdb->terms.slug='$input'"; 
return $wpdb->get_var($SQL); 
} 
}
?>
<?php
//获取浏览数-参数文章ID      
function getPostViews($postID){      
    //字段名称      
    $count_key = 'post_views_count';      
    //获取字段值即浏览次数      
    $count = get_post_meta($postID, $count_key, true);      
    //如果为空设置为0      
    if($count==''){      
        delete_post_meta($postID, $count_key);      
        add_post_meta($postID, $count_key, '0');      
        return "0";      
    }      
    return $count;      
}      
//设置浏览数-参数文章ID      
function setPostViews($postID) {      
    //字段名称      
    $count_key = 'post_views_count';      
    //先获取获取字段值即浏览次数      
    $count = get_post_meta($postID, $count_key, true);      
    //如果为空就设为0      
    if($count==''){      
        $count = 0;      
        delete_post_meta($postID, $count_key);      
        add_post_meta($postID, $count_key, '0');      
    }else{      
        //如果不为空，加1，更新数据      
        $count++;      
        update_post_meta($postID, $count_key, $count);      
    }      
} 
add_filter('show_admin_bar', '__return_false');//去掉默认顶端导航条
//时间显示方式‘xx以前’
function time_ago( $type = 'commennt', $day = 7 ) {
  $d = $type == 'post' ? 'get_post_time' : 'get_comment_time';
  if (time() - $d('U') > 60*60*24*$day) return;
  echo ' (', human_time_diff($d('U'), strtotime(current_time('mysql', 0))), '前)';
}

function timeago( $ptime ) {
    $ptime = strtotime($ptime);
    $etime = time() - $ptime;
    if($etime < 1) return '刚刚';
    $interval = array (
        12 * 30 * 24 * 60 * 60  =>  '年前 ('.date('Y-m-d', $ptime).')',
        30 * 24 * 60 * 60       =>  '个月前 ('.date('m-d', $ptime).')',
        7 * 24 * 60 * 60        =>  '周前 ('.date('m-d', $ptime).')',
        24 * 60 * 60            =>  '天前',
        60 * 60                 =>  '小时前',
        60                      =>  '分钟前',
        1                       =>  '秒前'
    );
    foreach ($interval as $secs => $str) {
        $d = $etime / $secs;
        if ($d >= 1) {
            $r = round($d);
            return $r . $str;
        }
    };
}
// 更改后台字体
function Bing_admin_lettering(){
    echo'<style type="text/css">
        * { font-family: "Microsoft YaHei" !important; }
        i, .ab-icon, .mce-close, i.mce-i-aligncenter, i.mce-i-alignjustify, i.mce-i-alignleft, i.mce-i-alignright, i.mce-i-blockquote, i.mce-i-bold, i.mce-i-bullist, i.mce-i-charmap, i.mce-i-forecolor, i.mce-i-fullscreen, i.mce-i-help, i.mce-i-hr, i.mce-i-indent, i.mce-i-italic, i.mce-i-link, i.mce-i-ltr, i.mce-i-numlist, i.mce-i-outdent, i.mce-i-pastetext, i.mce-i-pasteword, i.mce-i-redo, i.mce-i-removeformat, i.mce-i-spellchecker, i.mce-i-strikethrough, i.mce-i-underline, i.mce-i-undo, i.mce-i-unlink, i.mce-i-wp-media-library, i.mce-i-wp_adv, i.mce-i-wp_fullscreen, i.mce-i-wp_help, i.mce-i-wp_more, i.mce-i-wp_page, .qt-fullscreen, .star-rating .star { font-family: dashicons !important; }
        .mce-ico { font-family: tinymce, Arial !important; }
        .fa { font-family: FontAwesome !important; }
        .genericon { font-family: "Genericons" !important; }
        .appearance_page_scte-theme-editor #wpbody *, .ace_editor * { font-family: Monaco, Menlo, "Ubuntu Mono", Consolas, source-code-pro, monospace !important; }
        </style>';
}
add_action('admin_head', 'Bing_admin_lettering');
//点赞
add_action('wp_ajax_nopriv_bigfa_like', 'bigfa_like');
add_action('wp_ajax_bigfa_like', 'bigfa_like');
function bigfa_like(){
    global $wpdb,$post;
    $id = $_POST["um_id"];
    $action = $_POST["um_action"];
    if ( $action == 'ding'){
    $bigfa_raters = get_post_meta($id,'bigfa_ding',true);
    $expire = time() + 99999999;
    $domain = ($_SERVER['HTTP_HOST'] != 'localhost') ? $_SERVER['HTTP_HOST'] : false; // make cookies work with localhost
    setcookie('bigfa_ding_'.$id,$id,$expire,'/',$domain,false);
    if (!$bigfa_raters || !is_numeric($bigfa_raters)) {
        update_post_meta($id, 'bigfa_ding', 1);
    } 
    else {
            update_post_meta($id, 'bigfa_ding', ($bigfa_raters + 1));
        }
   
    echo get_post_meta($id,'bigfa_ding',true);
    
    } 
    
    die;
}
//最热排行
function hot_posts_list($days=7, $nums=10) {
    global $wpdb;
    $today = date("Y-m-d H:i:s");
    $daysago = date( "Y-m-d H:i:s", strtotime($today) - ($days * 24 * 60 * 60) );
    $result = $wpdb->get_results("SELECT comment_count, ID, post_title, post_date FROM $wpdb->posts WHERE post_date BETWEEN '$daysago' AND '$today' ORDER BY comment_count DESC LIMIT 0 , $nums");
    $output = '';
    if(empty($result)) {
        $output = '<li>None data.</li>';
    } else {
        $i = 1;
        foreach ($result as $topten) {
            $postid = $topten->ID;
            $title = $topten->post_title;
            $commentcount = $topten->comment_count;
            if ($commentcount != 0) {
              $output .= '<li><p><span class="post-comments">评论 ('.$commentcount.')</span><span class="muted"><a href="javascript:;" data-action="ding" data-id="'.$postid.'" id="Addlike" class="action';
    if(isset($_COOKIE['bigfa_ding_'.$postid])) $output .=' actived';
    $output .='"><i class="fa fa-heart-o"></i><span class="count">';
    if( get_post_meta($postid,'bigfa_ding',true) ){
        $output .=get_post_meta($postid,'bigfa_ding',true);
    } else {$output .='0';}
    $output .='</span>喜欢</a></span></p><span class="label label-'.$i.'">'.$i.'</span><a href="'.get_permalink($postid).'" title="'.$title.'">'.$title.'</a></li>';
                $i++;
            }
        }
    }
    echo $output;
}
//在 WordPress 编辑器添加“下一页”按钮
add_filter('mce_buttons','add_next_page_button');
function add_next_page_button($mce_buttons) {
    $pos = array_search('wp_more',$mce_buttons,true);
    if ($pos !== false) {
        $tmp_buttons = array_slice($mce_buttons, 0, $pos+1);
        $tmp_buttons[] = 'wp_page';
        $mce_buttons = array_merge($tmp_buttons, array_slice($mce_buttons, $pos+1));
    }
    return $mce_buttons;
}

function e_secret($atts, $content=null){//输入密码查看
extract(shortcode_atts(array('key'=>null), $atts));
if(isset($_POST['e_secret_key']) && $_POST['e_secret_key']==$key){
return '<div class="e-secret">'.$content.'</div>';
}
else{
return '<form class="e-secret" action="'.get_permalink().'" method="post" name="e-secret"><label>请输入密码：</label><input type="password" name="e_secret_key" class="euc-y-i" maxlength="50"><input type="submit" class="euc-y-s" value="确定"><div class="euc-clear"></div></form>';
}
}
add_shortcode('secret','e_secret');
remove_action( 'wp_head', 'wp_enqueue_scripts', 1 ); //Javascript的调用
remove_action( 'wp_head', 'feed_links', 2 ); //移除feed
remove_action( 'wp_head', 'feed_links_extra', 3 ); //移除feed
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', 'index_rel_link' );//去除本页唯一链接信息
remove_action( 'wp_head', 'adjacent_posts_rel_link_wp_head', 10, 0 );
remove_action( 'wp_head', 'locale_stylesheet' );
remove_action('publish_future_post','check_and_publish_future_post',10, 1 );
remove_action( 'wp_head', 'noindex', 1 );
remove_action( 'wp_head', 'wp_print_styles', 8 );//载入css
remove_action( 'wp_head', 'wp_print_head_scripts', 9 );
remove_action( 'wp_head', 'wp_generator' ); //移除WordPress版本
remove_action( 'wp_head', 'rel_canonical' );
remove_action( 'wp_footer', 'wp_print_footer_scripts' );
remove_action( 'wp_head', 'wp_shortlink_wp_head', 10, 0 );
remove_action( 'template_redirect', 'wp_shortlink_header', 11, 0 );
add_action('widgets_init', 'my_remove_recent_comments_style');
function my_remove_recent_comments_style() {
global $wp_widget_factory;
remove_action('wp_head', array($wp_widget_factory->widgets['WP_Widget_Recent_Comments'] ,'recent_comments_style'));
}
//禁止加载WP自带的jquery.js
if ( !is_admin() ) { // 后台不禁止
function my_init_method() {
wp_deregister_script( 'jquery' ); // 取消原有的 jquery 定义
}
add_action('init', 'my_init_method');
}
wp_deregister_script( 'l10n' );
add_action('after_wp_tiny_mce', 'add_button_mce');
function add_button_mce($mce_settings) {//扩充发表文章编辑器的导航标签
?>
<script type="text/javascript">
    QTags.addButton( '注意', '注意', "<span class='beCareful'>", "</span>" );
    QTags.addButton( 'a', 'a', "<a href=''>", "</a>" );
    QTags.addButton( 'p', 'p', "\n<p>", "</p>" );
    QTags.addButton( 'span', 'span', "\n<span>", "</span>" );
    QTags.addButton( 'h1', 'h1', "\n<h1>", "</h1>" );
    QTags.addButton( 'h4', 'h4', "\n<h4>", "</h4>" );
    QTags.addButton( 'h5', 'h5', "\n<h5>", "</h5>" );
    QTags.addButton( 'cc', 'cc', "\n[cc lang='php']", "[/cc]" );
    QTags.addButton( 'secret', 'secret', "\n[secret key='123']", "[/secret]" );
    QTags.addButton( 'embed', 'embed', "\n[embed]\n", "\n[/embed]" );
</script>
<?php
}
// 彩色静态标签云 Color Tag Cloud
// function colorCloud($text) {
//   $text = preg_replace_callback('|<a (.+?)>|i', 'colorCloudCallback', $text);
//   return $text;
// }
// function colorCloudCallback($matches) {
//   $text = $matches[1];
//   $color = dechex(rand(0,16777215));
//   $pattern = '/style=(\'|\")(.*)(\'|\")/i';
//   $text = preg_replace($pattern, "style=\"color:#{$color};$2;\"", $text);
//   return "<a $text>";
// }
// add_filter('wp_tag_cloud', 'colorCloud', 1);


// 搜索结果关键词高亮显示
// function lee_set_query() {
//   $query  = attribute_escape(get_search_query());
//   if(strlen($query) > 0){
//     echo '
//       <script type="text/javascript">
//         var lee_query  = "'.$query.'";
//       </script>
//     ';
//   }
// }
// function lee_init_jquery() {
//  wp_enqueue_script('jquery');
// }
// add_action('init', 'lee_init_jquery');
// add_action('wp_print_scripts', 'lee_set_query');


// 文章外部链接加上nofollow
// add_filter( 'the_content', 'cn_nf_url_parse');
// function cn_nf_url_parse( $content ) {
 
//   $regexp = "<a\s[^>]*href=(\"??)([^\" >]*?)\\1[^>]*>";
//   if(preg_match_all("/$regexp/siU", $content, $matches, PREG_SET_ORDER)) {
//     if( !empty($matches) ) {
 
//       $srcUrl = get_option('siteurl');
//       for ($i=0; $i < count($matches); $i++)
//       {
 
//         $tag = $matches[$i][0];
//         $tag2 = $matches[$i][0];
//         $url = $matches[$i][0];
 
//         $noFollow = '';
 
//         $pattern = '/target\s*=\s*"\s*_blank\s*"/';
//         preg_match($pattern, $tag2, $match, PREG_OFFSET_CAPTURE);
//         if( count($match) < 1 )
//           $noFollow .= ' target="_blank" ';
 
//         $pattern = '/rel\s*=\s*"\s*[n|d]ofollow\s*"/';
//         preg_match($pattern, $tag2, $match, PREG_OFFSET_CAPTURE);
//         if( count($match) < 1 )
//           $noFollow .= ' rel="nofollow" ';
 
//         $pos = strpos($url,$srcUrl);
//         if ($pos === false) {
//           $tag = rtrim ($tag,'>');
//           $tag .= $noFollow.'>';
//           $content = str_replace($tag2,$tag,$content);
//         }
//       }
//     }
//   }
 
//   $content = str_replace(']]>', ']]>', $content);
//   return $content;
// }

// 自定义登录界面
function custom_login(){
    echo '<link rel="stylesheet" type="text/css" href="https://www.weipxiu.com/style-login.4205e3e2.css" />';
}
add_action('login_head', 'custom_login');
 
function login_headerurl($url) {
    return get_bloginfo('url');
}
add_filter('login_headerurl', 'login_headerurl');
 
function login_headertitle($title){
    return __('唯品秀');
}
add_filter('login_headertitle', 'login_headertitle');

// 解决找回密码链接无效问题
function reset_password_message( $message, $key ) {
    if ( strpos($_POST['user_login'], '@') ) {
        $user_data = get_user_by('email', trim($_POST['user_login']));
    } else {
        $login = trim($_POST['user_login']);
        $user_data = get_user_by('login', $login);
    }
    $user_login = $user_data->user_login;
    $msg = __('当前有请求重设如下帐号的密码：'). "\r\n\r\n";
    $msg .= network_site_url() . "\r\n\r\n";
    $msg .= sprintf(__('用户名：%s'), $user_login) . "\r\n\r\n";
    $msg .= __('若这不是您本人要求的，请忽略本邮件，一切如常。') . "\r\n\r\n";
    $msg .= __('要重置您的密码，请打开下面的链接：'). "\r\n\r\n";
    $msg .= network_site_url("wp-login.php?action=rp&key=$key&login=" . rawurlencode($user_login), 'login') ;
    return $msg;
}
add_filter('retrieve_password_message', reset_password_message, null, 2);


// 面包屑导航注册代码
function wheatv_breadcrumbs() {
  $delimiter = '<i>></i>';
  $name = '首页'; //text for the 'Home' link
  $currentBefore = '';
  $currentAfter = '';
 
  if ( !is_home() && !is_front_page() || is_paged() ) {
 
  echo '';
  global $post;
  // $home = get_bloginfo('url');
  $home = get_option('home');
  echo '<a href="'.$home.'" >'. $name . ' </a>' . $delimiter . ' ';
 
  if ( is_category() ) {
    global $wp_query;
    $cat_obj = $wp_query->get_queried_object();
    $thisCat = $cat_obj->term_id;
    $thisCat = get_category($thisCat);
    $parentCat = get_category($thisCat->parent);
    if ($thisCat->parent != 0) echo(get_category_parents($parentCat, TRUE, ' ' . $delimiter . ' '));
      echo $currentBefore . '';
      single_cat_title();
      echo '' . $currentAfter;
 
    } elseif ( is_day() ) {
      echo '' . get_the_time('Y') . ' ' . $delimiter . ' ';
      echo '' . get_the_time('F') . ' ' . $delimiter . ' ';
      echo $currentBefore . get_the_time('d') . $currentAfter;
 
    } elseif ( is_month() ) {
      echo '' . get_the_time('Y') . ' ' . $delimiter . ' ';
      echo $currentBefore . get_the_time('F') . $currentAfter;
 
    } elseif ( is_year() ) {
      echo $currentBefore . get_the_time('Y') . $currentAfter;
 
    } elseif ( is_single() ) {
      $cat = get_the_category(); $cat = $cat[0];
      echo get_category_parents($cat, TRUE, ' ' . $delimiter . ' ');
      echo $currentBefore;
      the_title();
      echo $currentAfter;
 
    } elseif ( is_page() && !$post->post_parent ) {
      echo $currentBefore;
      the_title();
      echo $currentAfter;
 
    } elseif ( is_page() && $post->post_parent ) {
      $parent_id = $post->post_parent;
      $breadcrumbs = array();
      while ($parent_id) {
        $page = get_page($parent_id);
        $breadcrumbs[] = '' . get_the_title($page->ID) . '';
        $parent_id = $page->post_parent;
      }
      $breadcrumbs = array_reverse($breadcrumbs);
      foreach ($breadcrumbs as $crumb) echo $crumb . ' ' . $delimiter . ' ';
      echo $currentBefore;
      the_title();
      echo $currentAfter;
 
    } elseif ( is_search() ) {
      echo $currentBefore . '搜索结果' . get_search_query() . '' . $currentAfter;
 
    } elseif ( is_tag() ) {
      echo $currentBefore . '搜索标签： ';
      single_tag_title();
      echo '' . $currentAfter;
 
    } elseif ( is_author() ) {
      global $author;
      $userdata = get_userdata($author);
      echo $currentBefore . 'Articles posted by ' . $userdata->display_name . $currentAfter;
 
    } elseif ( is_404() ) {
      echo $currentBefore . 'Error 404' . $currentAfter;
  }
 
  if ( get_query_var('paged') ) {
    if ( is_category() || is_day() || is_month() || is_year() || is_search() || is_tag() || is_author() ) echo ' (';
      echo __('第') . '' . get_query_var('paged') . '页';
    if ( is_category() || is_day() || is_month() || is_year() || is_search() || is_tag() || is_author() ) echo ')';
  }
  echo '';
  }
}
//取消内容转义 
remove_filter('the_content', 'wptexturize');
//取消摘要转义
remove_filter('the_excerpt', 'wptexturize');
//取消评论转义 
remove_filter('comment_text', 'wptexturize');
//更改编辑器默认视图为HTML/文本
add_filter('wp_default_editor', create_function('', 'return "html";'));

//关闭wordpress各种更新，避免插件不兼容
add_filter('pre_site_transient_update_core',create_function('$a', "return null;")); // 关闭核心提示
add_filter('pre_site_transient_update_plugins',create_function('$a', "return null;")); // 关闭插件提示
add_filter('pre_site_transient_update_themes',create_function('$a', "return null;")); // 关闭主题提示
remove_action('admin_init', '_maybe_update_core');    // 禁止 WordPress 检查更新
remove_action('admin_init', '_maybe_update_plugins'); // 禁止 WordPress 更新插件
remove_action('admin_init', '_maybe_update_plugins'); // 禁止 WordPress 更新插件
remove_action('admin_init', '_maybe_update_themes');  // 禁止 WordPress 更新主题

//防止CC攻击
session_start(); //开启session
$timestamp = time();
$ll_nowtime = $timestamp ;
//判断session是否存在 如果存在从session取值，如果不存在进行初始化赋值
if ($_SESSION){
  $ll_lasttime = $_SESSION['ll_lasttime'];
  $ll_times = $_SESSION['ll_times'] + 1;
  $_SESSION['ll_times'] = $ll_times;
}else{
  $ll_lasttime = $ll_nowtime;
  $ll_times = 1;
  $_SESSION['ll_times'] = $ll_times;
  $_SESSION['ll_lasttime'] = $ll_lasttime;
}
//现在时间-开始登录时间 来进行判断 如果登录频繁 跳转 否则对session进行赋值
if(($ll_nowtime - $ll_lasttime) < 3){
  if ($ll_times>=5){
header("location:https://127.0.0.1");//可以换成其他链接，比如站内的404错误显示页面(千万不要用动态页面)
  exit;
  }
}else{
  $ll_times = 0;
  $_SESSION['ll_lasttime'] = $ll_nowtime;
  $_SESSION['ll_times'] = $ll_times;
}

//恢复wordpress删除的友情链接功能
add_filter('pre_option_link_manager_enabled','__return_true');
?>