functions.php

<?php
  error_reporting(0);

  /* 引入后台框架 */
  require_once dirname(__FILE__) .'/cs-framework/cs-framework.php';

  /* 前台加载脚本和样式 */
  function island_scripts_styles()
  {

    /* 注册样式 */
      wp_enqueue_style('style', get_template_directory_uri() . "/style.css", array(), '0.9', 'screen');
      wp_enqueue_style('font-awesome-css', get_template_directory_uri() . "/cs-framework/assets/css/font-awesome.css", array(), '0.3', 'screen');

      /* 自定义皮肤 */
      wp_register_style('switcher', get_template_directory_uri() . "/skin/switcher.php", array(), '0.3', 'screen');
      wp_register_style('skin01', get_template_directory_uri() . "/skin/skin01.css", array(), '0.3', 'screen');
      wp_register_style('skin02', get_template_directory_uri() . "/skin/skin02.css", array(), '0.3', 'screen');
      $skin = cs_get_option('i_skin');
      $switcher = cs_get_option('i_switcher');

      if ($switcher) {
          wp_enqueue_style('switcher');
      } else {
          switch ($skin) {
            case "skin01":
                wp_enqueue_style('skin01');
                break;
            case "skin02":
                wp_enqueue_style('skin02');
                break;
        }
      }

      /* 注册脚本 */
      wp_enqueue_script('jquery');
      wp_enqueue_script('plugins-js', get_template_directory_uri() . '/js/plugins.js', false, '0.3', true);
      //wp_enqueue_script('comments-ajax', get_template_directory_uri() . '/comments-ajax.js', false, '0.4', true);
      wp_enqueue_script('custom-js', get_template_directory_uri() . '/js/custom.js', false, '2.0', true);

      /* 代码高亮 */
      wp_register_script('prism-js', get_template_directory_uri() . '/js/prism.js', false, '0.3', true);
      $prettify = cs_get_option('i_code_prettify');
      if ($prettify) {
          wp_enqueue_style('prism-style', get_template_directory_uri() . "/css/prism.css", array(), '0.9', 'screen');
          wp_enqueue_script('prism-js');
      }
  }
  add_action('wp_enqueue_scripts', 'island_scripts_styles');

  //后台加载脚本和样式
  function admin_scripts_styles()
  {
    // wp_enqueue_script('auth-js', get_template_directory_uri() . '/js/auth.js', false, '0.1', true);
    wp_enqueue_script('admin-js', get_template_directory_uri() . '/js/admin.js', false, '0.1', true);
    wp_enqueue_script('update-js', get_template_directory_uri() . '/js/update.js', false, '0.1', true);
    wp_enqueue_style('dashboard-style', get_template_directory_uri() . '/css/admin.css', array());
  }
  add_action('admin_enqueue_scripts', 'admin_scripts_styles');

  /*移除多余head信息*/
  function wpdaxue_remove_cssjs_ver($src)
  {
      if (strpos($src, 'ver=')) {
          $src = remove_query_arg('ver', $src);
      }
      return $src;
  }
  function disable_stuff($data)
  {
      return false;
  }
  remove_action('wp_head', 'wp_generator');
  remove_action('wp_head', 'wlwmanifest_link');
  remove_action('wp_head', 'rsd_link');
  remove_action('template_redirect', 'rest_output_link_header', 11, 0);
  remove_action('wp_head', 'rest_output_link_wp_head');
  remove_action('wp_head', 'wp_oembed_add_discovery_links');
  remove_action('wp_head', 'feed_links_extra', 3);
  remove_action('wp_head', 'feed_links', 2);
  remove_action('wp_head', 'rel_canonical');
  add_filter('style_loader_src', 'wpdaxue_remove_cssjs_ver', 999);
  add_filter('script_loader_src', 'wpdaxue_remove_cssjs_ver', 999);
  add_filter('index_rel_link', 'disable_stuff');
  add_filter('parent_post_rel_link', 'disable_stuff');
  add_filter('start_post_rel_link', 'disable_stuff');
  add_filter('previous_post_rel_link', 'disable_stuff');
  add_filter('next_post_rel_link', 'disable_stuff');

  //禁止主题更新提醒
  add_filter('pre_site_transient_update_themes', create_function('$a', "return null;"));
  remove_action('admin_init', '_maybe_update_themes');

  /* 加载类名 */
  function load_css($classes)
  {
      $page = cs_get_option('i_pagination');
      if ($page == 'i_ajax') {
          $classes[] = 'ajax_load';
      } else {
          $classes[] = '';
      }
      return $classes;
  }
  add_filter('body_class', 'load_css');

  /* 手机类名 */
  function mobile_css($classes)
  {
      if (is_mobile()) {
          $classes[] = 'mobile';
      }
      return $classes;
  }
  add_filter('body_class', 'mobile_css');

  /* 引入短代码 */
  include('shortcode.php');

  /* 引入CDN */
  $qiniu = cs_get_option('i_qiniu');
  $qiniu_link = cs_get_option('i_qiniu_link');
  if ($qiniu == true && !empty($qiniu_link)) {
      include('qiniu.php');
  }

  /* 禁用 WordPress 4.4+ 的响应式图片功能 */
  add_filter('max_srcset_image_width', create_function('', 'return 1;'));

  /* 禁用embeds功能 */
  function disable_embeds_init()
  {
      global $wp;
      $wp->public_query_vars = array_diff($wp->public_query_vars, array('embed',));
      remove_action('rest_api_init', 'wp_oembed_register_route');
      add_filter('embed_oembed_discover', '__return_false');
      remove_filter('oembed_dataparse', 'wp_filter_oembed_result', 10);
      remove_action('wp_head', 'wp_oembed_add_discovery_links');
      remove_action('wp_head', 'wp_oembed_add_host_js');
      add_filter('tiny_mce_plugins', 'disable_embeds_tiny_mce_plugin');
      add_filter('rewrite_rules_array', 'disable_embeds_rewrites');
  }
  add_action('init', 'disable_embeds_init', 9999);
  function disable_embeds_tiny_mce_plugin($plugins)
  {
      return array_diff($plugins, array('wpembed'));
  }
  function disable_embeds_rewrites($rules)
  {
      foreach ($rules as $rule => $rewrite) {
          if (false !== strpos($rewrite, 'embed=true')) {
              unset($rules[ $rule ]);
          }
      }
      return $rules;
  }
  function disable_embeds_remove_rewrite_rules()
  {
      add_filter('rewrite_rules_array', 'disable_embeds_rewrites');
      flush_rewrite_rules();
  }
  register_activation_hook(__FILE__, 'disable_embeds_remove_rewrite_rules');
  function disable_embeds_flush_rewrite_rules()
  {
      remove_filter('rewrite_rules_array', 'disable_embeds_rewrites');
      flush_rewrite_rules();
  }
  register_deactivation_hook(__FILE__, 'disable_embeds_flush_rewrite_rules');

  /* 引入作品模板 */
  include("template-portfolio.php");

  /* 引入推荐插件 */
  $player = cs_get_option('i_player');
  if ($player) {
      require_once(get_template_directory().'/TGM/plugins.php');
  }

  //替换gravatar地址
  function get_ssl_avatar($avatar)
  {
      $avatar = preg_replace('/.*\/avatar\/(.*)\?s=([\d]+)&.*/', '<img src="https://secure.gravatar.com/avatar/$1?s=$2" class="avatar avatar-$2" height="$2" width="$2">', $avatar);
      return $avatar;
  }
  add_filter('get_avatar', 'get_ssl_avatar');

  //评论框增强
  function smilies_reset()
  {
      global $wpsmiliestrans, $wp_smiliessearch;
      if (!get_option('use_smilies')) {
          return;
      }
      $wpsmiliestrans_fixed = array(
        ':mrgreen:' => "\xf0\x9f\x98\xa2",
        ':smile:' => "\xf0\x9f\x98\xa3",
        ':roll:' => "\xf0\x9f\x98\xa4",
        ':sad:' => "\xf0\x9f\x98\xa6",
        ':arrow:' => "\xf0\x9f\x98\x83",
        ':-(' => "\xf0\x9f\x98\x82",
        ':-)' => "\xf0\x9f\x98\x81",
        ':(' => "\xf0\x9f\x98\xa7",
        ':)' => "\xf0\x9f\x98\xa8",
        ':?:' => "\xf0\x9f\x98\x84",
        ':!:' => "\xf0\x9f\x98\x85",
    );
      $wpsmiliestrans = array_merge($wpsmiliestrans, $wpsmiliestrans_fixed);
  }

  function static_emoji_url()
  {
      return get_bloginfo('template_directory').'/images/emoji/';
  }

  function reset_emojis()
  {
      remove_action('wp_head', 'print_emoji_detection_script', 7);
      remove_action('admin_print_scripts', 'print_emoji_detection_script');
      remove_action('wp_print_styles', 'print_emoji_styles');
      remove_action('admin_print_styles', 'print_emoji_styles');
      add_filter('the_content', 'wp_staticize_emoji');
      add_filter('comment_text', 'wp_staticize_emoji', 50);
      smilies_reset();
      add_filter('emoji_url', 'static_emoji_url');
  }
  add_action('init', 'reset_emojis');

  function fa_get_wpsmiliestrans()
  {
      global $wpsmiliestrans;
      $wpsmilies = array_unique($wpsmiliestrans);
      foreach ($wpsmilies as $alt => $src_path) {
          $emoji = str_replace(array('&#x', ';'), '', wp_encode_emoji($src_path));
          $output .= '<a class="add-smily" data-smilies="'.$alt.'"><img class="wp-smiley" src="'.get_bloginfo('template_directory').'/images/emoji/'. $emoji .'.png" /></a>';
      }
      return $output;
  }
  add_filter('comment_form_defaults', 'fa_add_smilies_to_comment_form');
  function fa_add_smilies_to_comment_form($default)
  {
      $commenter = wp_get_current_commenter();
      $default['comment_field'] .= '
      <div class="commentPlus clearfix">
          <div class="editor commentSmilies" data-editor="smile">
              <i class="fa fa-smile-o" aria-hidden="true"></i>
              <p class="comment-form-smilies clearfix hide">' . fa_get_wpsmiliestrans() . '</p>
          </div>
          <div class="editor commentBold m_hide" data-editor="bold"><i class="fa fa-bold" aria-hidden="true"></i></div>
          <div class="editor commentItalic m_hide" data-editor="italic"><i class="fa fa-italic" aria-hidden="true"></i></div>
          <div class="editor commentUnderline m_hide" data-editor="underline"><i class="fa fa-underline" aria-hidden="true"></i></div>
          <div class="editor commentDel m_hide" data-editor="del"><i class="fa fa-strikethrough" aria-hidden="true"></i></div>
          <div class="editor commentImg m_hide" data-editor="img"><i class="fa fa-picture-o" aria-hidden="true"></i></div>
          <div class="editor commentClean m_hide" data-editor="clean"><i class="fa fa-trash-o" aria-hidden="true"></i></div>
      </div>
      ';
      return $default;
  }
  function allowedtags_tab()
  {
      global $allowedtags;
      $allowedtags['u'] = array('class'=>true,);
  }
  add_action('comment_post', 'allowedtags_tab');

  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');

   /* SVG支持 */
  function my_upload_mimes($mimes = array())
  {
      $mimes['svg'] = 'image/svg+xml';
      return $mimes;
  }
  add_filter('upload_mimes', 'my_upload_mimes');

   /* 默认打开页面评论 */
  function open_comments_for_pages($status, $post_type, $comment_type)
  {
      if ('page' === $post_type) {
          $status = 'open';
      }
      return $status;
  }
  add_filter('get_default_comment_status', 'open_comments_for_pages', 10, 3);

  /* Lazyload 功能,默认移动设备不开启，默认特色图不开启 */
  function add_image_placeholders($content)
  {
      if (is_feed() || is_preview() || (function_exists('is_mobile') && is_mobile())) {
          return $content;
      }
      if (false !== strpos($content, 'data-original')) {
          return $content;
      }
      $placeholder_image = apply_filters('lazyload_images_placeholder_image', 'data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==');
      $content = preg_replace('#<img([^>]+?)src=[\'"]?([^\'"\s>]+)[\'"]?([^>]*)>#', sprintf('<img${1}src="%s" data-echo="${2}"${3}>', $placeholder_image), $content);
      return $content;
  }
  $post_img = cs_get_option('i_post_image');
  $img_setup = cs_get_option('i_post_setup');
  $avatar_img = cs_get_option('i_comment_avatar');
  if ($post_img) {
      add_filter('the_content', 'add_image_placeholders', 99);
  }
  if (!is_admin() && $avatar_img) {
      add_filter('get_avatar', 'add_image_placeholders', 11);
  }
  //add_filter( 'post_thumbnail_html', 'add_image_placeholders', 11 );

  /* 引入喜欢属性 */
  $like = cs_get_option('i_post_like');
  if ($like == true) {
      include_once('post-like.php');
  }

  /* 统一标签尺寸 */
  function custom_tag_cloud_widget($args)
  {
      $args['largest'] = 14;
      $args['smallest'] = 14;
      $args['unit'] = 'px';
      $args['number'] = '50';
      $args['orderby'] = 'count';
      $args['order'] = 'DESC';
      return $args;
  }
  add_filter('widget_tag_cloud_args', 'custom_tag_cloud_widget');

  /* 修改时间格式 */
  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;
          }
      };
  }

  /* 管理员类名 */
  function add_admin_body_class($classes)
  {
      return "$classes zhw_admin";
  }
  $theme_url = wp_get_theme()->display('ThemeURI');
  $wp_url = home_url('/');
  if ($theme_url == $wp_url) {
      add_filter('admin_body_class', 'add_admin_body_class');
  }

  /* 默认配置 */
  if (!isset($content_width)) {
      $content_width = 690;
  }
  if (!function_exists('island_setup')):
      function island_setup()
      {
          /* 启用缩略图的支持 */
          add_theme_support('post-thumbnails');
          set_post_thumbnail_size(250, 250, true);
          add_image_size('large-image', 9999, 9999, false);
          /* 启用头部菜单 */
          register_nav_menus(array(
              'header' => __('顶部菜单', 'island') ,
          ));
          /* 启动主题可利用的语言 */
          load_theme_textdomain('island', get_template_directory() . '/languages');
      }
  endif;
  add_action('after_setup_theme', 'island_setup');

  /* 隐藏系统工具栏 */
  $toolbar = cs_get_option('i_toolbar');
  function hide_admin_bar($flag)
  {
      return false;
  }
  if ($toolbar) {
      add_filter('show_admin_bar', 'hide_admin_bar');
  }

  // 禁用谷歌字体
  class Disable_Google_Fonts
  {
      public function __construct()
      {
          add_filter('gettext_with_context', array( $this, 'disable_open_sans' ), 888, 4);
      }
      public function disable_open_sans($translations, $text, $context, $domain)
      {
          if ('Open Sans font: on or off' == $context && 'on' == $text) {
              $translations = 'off';
          }
          return $translations;
      }
  }
  $disable_google_fonts = new Disable_Google_Fonts;

  /* 启用浏览数目 */
  function getPostViews($postID)
  {
      $count_key = 'post_views_count';
      $count = get_post_meta($postID, $count_key, true);
      if ($count=='') {
          delete_post_meta($postID, $count_key);
          add_post_meta($postID, $count_key, '0');
          return "0";
      }
      return $count.'';
  }
  function setPostViews($postID)
  {
      $count_key = 'post_views_count';
      $count = get_post_meta($postID, $count_key, true);
      if (is_singular()) {
          if ($count=='') {
              $count = 0;
              delete_post_meta($postID, $count_key);
              add_post_meta($postID, $count_key, '0');
          } else {
              $count++;
              update_post_meta($postID, $count_key, $count);
          }
      }
  }

  //后台显示浏览数目
  add_filter('manage_posts_columns', 'posts_column_views');
  add_action('manage_posts_custom_column', 'posts_custom_column_views', 5, 2);
  function posts_column_views($defaults)
  {
      $defaults['post_views'] = __('浏览');
      return $defaults;
  }
  function posts_custom_column_views($column_name, $id)
  {
      if ($column_name === 'post_views') {
          echo getPostViews(get_the_ID());
      }
  }


  /* 边栏评论 */
    function h_comments($outer, $limit)
    {
        global $wpdb;
        $sql = "SELECT DISTINCT ID, post_title, post_password, comment_ID, comment_post_ID, comment_author, comment_date_gmt, comment_approved, comment_type,comment_author_url,comment_author_email, SUBSTRING(comment_content,1,22) AS com_excerpt FROM $wpdb->comments LEFT OUTER JOIN $wpdb->posts ON ($wpdb->comments.comment_post_ID = $wpdb->posts.ID) WHERE comment_approved = '1' AND comment_type = '' AND post_password = '' AND user_id='0' AND comment_author != '$outer' ORDER BY comment_date_gmt DESC LIMIT $limit";
        $comments = $wpdb->get_results($sql);
        foreach ($comments as $comment) {
            $output .= '<li class="colbox"><p class="col avatar-box">'.get_avatar($comment, 32, "", $comment->comment_author).'</p><p class="col comment_box"><a class="with-tooltip" href="'. get_permalink($comment->ID) .'#comment-' . $comment->comment_ID . '" data-tooltip="《'.$comment->post_title . '》上的评论"><span class="s_name">'.strip_tags($comment->comment_author).':</span><span class="s_desc">'. strip_tags($comment->com_excerpt).'</span></a></p></li>';
        }
        $output = convert_smilies($output);
        echo $output;
    }

  /* 启用文章摘录 */
  function improved_trim_excerpt($text)
  {
      global $post;
      if ('' == $text) {
          $text = get_the_content('');
          $text = apply_filters('the_content', $text);
          $text = str_replace('\]\]\>', ']]&gt;', $text);
          $text = preg_replace('@<script[^>]*?>.*?</script>@si', '', $text);
          /* 可自定义不过滤html标签 */
          $text = strip_tags($text, '<span><pre><code><script><style><br><em><i><ul><ol><li><a><p><img><video><audio><strong><em><blockquote>');
          $text = mb_substr($text, 0, cs_get_option('i_post_excerpt'), 'utf-8') . '...<div class="read_more"><a href="' . get_permalink($post->ID) . '">' . cs_get_option('i_post_more') . '</a></div>';
          $excerpt_length = cs_get_option('i_post_excerpt');
          $words = explode(' ', $text, $excerpt_length + 1);
          if (count($words) > $excerpt_length) {
              array_pop($words);
              array_push($words, '...<div class="read_more"><a " href="' . get_permalink($post->ID) . '">' . cs_get_option('i_post_more') . '</a></div>');
              $text = implode(' ', $words);
          }
      }
      return $text;
  }
  function custom_excerpt_length($length)
  {
      return cs_get_option('i_post_excerpt');
  }
  function new_excerpt_more($more)
  {
      global $post;
      return '...<div class="read_more"><a href="' . get_permalink($post->ID) . '">' . cs_get_option('i_post_more') . '</a></div>';
  }
  $excerpt = cs_get_option('i_post_readmore');
  $html = cs_get_option('i_post_html');
  if ($excerpt) {
      if ($html) {
          remove_filter('get_the_excerpt', 'wp_trim_excerpt');
          add_filter('get_the_excerpt', 'improved_trim_excerpt');
      } else {
          add_filter('excerpt_length', 'custom_excerpt_length', 999);
          add_filter('excerpt_more', 'new_excerpt_more');
      }
  }

  /* 启用标题 */
  function show_wp_title()
  {
      global $page, $paged;
      wp_title('-', true, 'right');
      // 添加网站标题.
      bloginfo('name');
      // 为首页添加网站描述.
      $site_description = get_bloginfo('description', 'display');
      if ($site_description && (is_home() || is_front_page())) {
          echo ' - ' . $site_description;
      }
      // 如果有必要，在标题上显示一个页面数.
      if ($paged >= 2 || $page >= 2) {
          echo ' - ' . sprintf('第%s页', max($paged, $page));
      }
  }

  /* 启用相关文章 */
  if (function_exists('add_theme_support')) {
      add_theme_support('post-thumbnails');
  }
  function post_thumbnail_src()
  {
      global $post;
      if ($values = get_post_custom_values("thumb")) {
          $values = get_post_custom_values("thumb");
          $post_thumbnail_src = $values[0];
      } elseif (has_post_thumbnail()) {
          $thumbnail_src = wp_get_attachment_image_src(get_post_thumbnail_id($post->ID), 'thumbnail');
          $post_thumbnail_src = $thumbnail_src[0];
      } else {
          $post_thumbnail_src = '';
          ob_start();
          ob_end_clean();
          $output = preg_match_all('/<img.+src=[\'"]([^\'"]+)[\'"].*>/i', $post->post_content, $matches);
          $post_thumbnail_src = $matches[1][0];
          if (empty($post_thumbnail_src)) {
              $feature_num = cs_get_option('i_feature_num');
              echo ''.get_template_directory_uri().'/images/thumbnails/img'.rand(1, $feature_num).'.png';
          }
      };
      echo $post_thumbnail_src;
  }

  /* SMPT设置 */
  $stmp = cs_get_option('i_comment_smpt');
  if ($stmp == true) {
      add_action('phpmailer_init', 'mail_smtp');
  }

  function mail_smtp($phpmailer)
  {
      $phpmailer->FromName = cs_get_option('i_smpt_name');
      $phpmailer->Host = cs_get_option('i_smpt_server');
      $phpmailer->Port = cs_get_option('i_smpt_port');
      $phpmailer->Username = cs_get_option('i_smpt_email');
      $phpmailer->Password = cs_get_option('i_smpt_password');
      $phpmailer->From = cs_get_option('i_smpt_email');
      $phpmailer->SMTPAuth = true;
      $phpmailer->SMTPSecure = '';
      $phpmailer->IsSMTP();
  }

  /* 启用邮件提醒 */
  $mail = cs_get_option('i_comment_mail');
  if ($mail == true) {
      include_once('notify.php');
  }

  /* 分页条件 */
  function island_page_has_nav()
  {
      global $wp_query;
      return ($wp_query->max_num_pages > 1);
  }

  /* 图集和画廊支持 */
  function island_theme_setup()
  {
      add_theme_support('island_themes_gallery_support');
  }
  add_action('after_setup_theme', 'island_theme_setup');
  add_filter('island_themes_portfolio_items_support', '__return_true');
  add_filter('pre_option_link_manager_enabled', '__return_true');

  /* 注册小工具 */
  register_sidebar(array(
      'name' => __('Widget1', 'island') ,
      'description' => __('小工具1', 'island') ,
      'before_widget' => '<aside id="%1$s" class="widget %2$s">',
      'after_widget' => '</aside>',
      'before_title' => '<h5 class="widget-title"><span>',
      'after_title' => '</span></h5>',
  ));

  register_sidebar(array(
      'name' => __('Widget2', 'island') ,
      'description' => __('小工具2', 'island') ,
      'before_widget' => '<aside id="%1$s" class="widget %2$s">',
      'after_widget' => '</aside>',
      'before_title' => '<h5 class="widget-title"><span>',
      'after_title' => '</span></h5>',
  ));

  /* 引入小工具 */
  require get_template_directory() . '/widgets.php';

  /* 判断移动设备 */
  function is_mobile()
  {
      $user_agent = $_SERVER['HTTP_USER_AGENT'];
      $mobile_browser = array(
        "mqqbrowser","opera mobi","juc","iuc","fennec","ios","applewebKit/420","applewebkit/525","applewebkit/532","ipad","iphone","ipaq","ipod","iemobile", "windows ce","240x320","480x640","acer","android","anywhereyougo.com","asus","audio","blackberry","blazer","coolpad" ,"dopod", "etouch", "hitachi","htc","huawei", "jbrowser", "lenovo","lg","lg-","lge-","lge", "mobi","moto","nokia","phone","samsung","sony","symbian","tablet","tianyu","wap","xda","xde","zte"
    );
      $is_mobile = false;
      foreach ($mobile_browser as $device) {
          if (stristr($user_agent, $device)) {
              $is_mobile = true;
              break;
          }
      }
      return $is_mobile;
  }
  if (is_mobile()) {
  } else {
  }

  /* 维护模式 */
  function wp_maintenance_mode()
  {
      if (!current_user_can('edit_themes') || !is_user_logged_in()) {
          wp_die(''.cs_get_option('i_maintenance_notice').'', ''.cs_get_option('i_maintenance_title').'', array('response' =>'503'));
      }
  }
  $maintenance = cs_get_option('i_maintenance');
  if ($maintenance) {
      add_action('get_header', 'wp_maintenance_mode');
  }

  //保护后台登录
  function login_protection()
  {
      if ($_GET[''.cs_get_option('i_login_prefix').''] != ''.cs_get_option('i_login_suffix').'') {
          header('Location: '.cs_get_option('i_login_link').'');
      }
  }

  $protection = cs_get_option('i_login_protection');
  if ($protection) {
      add_action('login_enqueue_scripts', 'login_protection');
  }

  // 增加额外登录验证
  function wlp_basic_auth()
  {
      if (!isset($_SERVER['PHP_AUTH_USER']) or !isset($_SERVER['PHP_AUTH_PW'])) {
          wlp_unauthorized(__('No credentials have been provided.', 'memberpress'));
      } else {
          $user = wp_authenticate($_SERVER['PHP_AUTH_USER'], $_SERVER['PHP_AUTH_PW']);

          if (is_wp_error($user)) {
              wlp_unauthorized($user->get_error_message());
          }
      }
  }
  function wlp_unauthorized($message)
  {
      header('WWW-Authenticate: Basic realm="' . get_option('blogname') . '"');
      header('HTTP/1.0 401 Unauthorized');
      die(sprintf(__('UNAUTHORIZED: %s', 'memberpress'), $message));
  }

  $auth = cs_get_option('i_login_auth');
  if ($auth) {
      add_action('login_init', 'wlp_basic_auth');
  }

  //过滤HTTP 1.0的登录POST请求
  function wlp_filter_http()
  {
      if (preg_match('/1\.0/', $_SERVER['SERVER_PROTOCOL'])) {
          wlp_forbidden();
      }
  }
  $http = cs_get_option('i_login_http');
  if ($http == true) {
      add_action('login_init', 'wlp_filter_http');
  }

  // POST Cookie 保护
  //这将设置一个cookie的初始值，如果cookie不存在POST请求，登录会被阻止
  function wlp_set_login_protection_cookie()
  {
      if (strtoupper($_SERVER['REQUEST_METHOD'])=='GET' and
        !isset($_COOKIE['wlp_post_protection'])) {
          setcookie('wlp_post_protection', '1', time()+60*60*24);
          $_COOKIE['wlp_post_protection'] = '1';
      }
  }

  function wlp_post_protection()
  {
      if (strtoupper($_SERVER['REQUEST_METHOD'])=='POST' and
        !isset($_COOKIE['wlp_post_protection'])) {
          wlp_forbidden();
      }
  }
  $cookie = cs_get_option('i_login_cookie');
  if ($cookie) {
      add_action('init', 'wlp_set_login_protection_cookie');
      add_action('login_init', 'wlp_post_protection');
  }

  // 登录错误，返回403状态
  function wlp_forbidden()
  {
      header("HTTP/1.0 403 Forbidden");
      exit;
  }

  // 返回网站中未审核留言数
  function get_not_audit_comments()
  {
      if (is_home() && current_user_can('level_10')) {    //只有在首页，并且管理员登录是才执行
          $awaiting_mod = wp_count_comments();
          $awaiting_mod = $awaiting_mod->moderated;
          if ($awaiting_mod) {
              //当存在未审核留言
              echo "<div id=\"awaiting_comments\" class=\"m_hide\"><a href=".admin_url('edit-comments.php').'><i class=\'fa fa-comments\'></i>你有'.$awaiting_mod.'条新回复</a></div>';
          }
      }
  }
  add_filter('wp_footer', 'get_not_audit_comments');

  /* 设置Css */
  add_action('wp_head', 'plugin_css', 99);
  function plugin_css()
  {
      $ajaxbar = cs_get_option('i_ajax_color');
      echo '<!-- 设置Css --><style>
    .loading-bar{
      background:'. $ajaxbar.';
    }
    </style>';
  }

  //修改title格式
  if (!function_exists('_wp_render_title_tag')) :
     function theme_slug_render_title()
     {
         ?>
        <title><?php wp_title('-', true, 'right'); ?></title>
        <?php
     }
     add_action('wp_head', 'theme_slug_render_title');
  endif;

  /* 自定义css */
  add_action('wp_head', 'add_css', 99);
  function add_css()
  {
      echo '<!-- 自定义css --><style>' . cs_get_option('i_css') . '</style>';
  }

  /* 自定义js */
  add_action('wp_footer', 'add_js', 99);
  function add_js()
  {
      echo '<!-- 自定义js --><script>' . cs_get_option('i_js') . '</script>';
  }

  /* 评论高亮作者 */
  function comment_admin_title($email = '')
  {
      if (empty($email)) {
          return;
      }
      $handsome=array(
      '1'=>' ',);
      $adminEmail = get_option('admin_email');
      if ($email==$adminEmail) {
          echo "<span class='author'>(管理员)</span>";
      } elseif (in_array($email, $handsome)) {
          echo "<span class='author'>(管理员)</span>";
      }
  }

  /* 引入Sitemap.xml */
  if (cs_get_option('i_seo_sitemap')) {
      include('sitemap.php');
  }

  /* 引入百度主动推送 */
  if (cs_get_option('i_baidu_submit')) {
      include('baidu_submit.php');
  }

  /* 百度手动推送 */
  if (cs_get_option('i_baidu_manual') == true) {
      function island($url)
      {
          $url='http://www.baidu.com/s?wd='.$url;
          $curl=curl_init();
          curl_setopt($curl, CURLOPT_URL, $url);
          curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
          $rs=curl_exec($curl);
          curl_close($curl);
          if (!strpos($rs, '没有找到')) {
              return 1;
          } else {
              return 0;
          }
      }
      add_filter('the_content', 'baidu_submit');
      function baidu_submit($content)
      {
          if (is_single() && current_user_can('manage_options')) {
              if (island(get_permalink()) == 1) {
                  $content="<p class='baidu_submit'><i class='fa fa-paw'></i>百度已收录</p>".$content;
              } else {
                  $content="<p class='baidu_submit'><a target=_blank href=http://zhanzhang.baidu.com/sitesubmit/index?sitename=".get_permalink()."><i class='fa fa-paw'></i>百度未收录</a></p>".$content;
              }
          }
          return $content;
      }
  }

  //移除自动保存
  if (cs_get_option('i_post_autosave')) {
      wp_deregister_script('autosave');
  }

  //移除修订版本
  if (cs_get_option('i_post_revision')) {
      remove_action('post_updated', 'wp_save_post_revision');
  }

  //文章目录
  function article_index($content)
  {
      $matches = array();
      $ul_li = '';
      $r = '/<h([3]).*?\>(.*?)<\/h[3]>/is';
      if (is_single() && preg_match_all($r, $content, $matches)) {
          foreach ($matches[1] as $key => $value) {
              $title = trim(strip_tags($matches[2][$key]));
              $content = str_replace($matches[0][$key], '<h' . $value . ' id="title-' . $key . '">'.$title.'</h2>', $content);
              $ul_li .= '<li><a class="with-tooltip ofh" data-tooltip="'.$title.'" href="#title-'.$key.'">'.$title."</a></li>\n";
          }
          $content = "\n<div id=\"article-index\">
      <ol id=\"index-ul\">\n" . $ul_li . "</ol>
      </div>\n" . $content;
      }
      return $content;
  }
  //add_filter( 'the_content', 'article_index' );

  require('ajax-comment/main.php');

/* 自定义评论输出 */
function island_comment($comment, $args, $depth)
{
    $GLOBALS['comment'] = $comment;
    /* 主评论计数器 by zwwooooo Modified Gimhoy(http://blog.gimhoy.com) */
    global $commentcount,$wpdb, $post;
    if (!$commentcount) { //初始化楼层计数器
            if (get_option('comment_order') === 'desc') { //倒序
                $comments = $wpdb->get_results("SELECT * FROM $wpdb->comments WHERE comment_post_ID = $post->ID AND comment_type = '' AND comment_approved = '1' AND !comment_parent");
                $cnt = count($comments);//获取主评论总数量
                $page = get_query_var('cpage');//获取当前评论列表页码
                $cpp=get_option('comments_per_page');//获取每页评论显示数量
                if (ceil($cnt / $cpp) == 1 || ($page > 1 && $page  == ceil($cnt / $cpp))) {
                    $commentcount = $cnt + 1;//如果评论只有1页或者是最后一页，初始值为主评论总数
                } else {
                    $commentcount = $cpp * $page + 1;
                }
            } else { //顺序
                $page = get_query_var('cpage')-1;
                $cpp=get_option('comments_per_page');//获取每页评论数
                $commentcount = $cpp * $page;
            }
    }
    /* 主评论计数器 end */
    if (!$parent_id = $comment->comment_parent) {
        $commentcountText = '';
        if (get_option('comment_order') === 'desc') { //倒序
            $commentcountText .= --$commentcount . '楼';
        } else {
            switch ($commentcount) {
                    case 0:
                        $commentcountText .= '<span>沙发！</span>'; ++$commentcount;
                        break;
                    case 1:
                        $commentcountText .= '<span>板凳！</span>'; ++$commentcount;
                        break;
                    case 2:
                        $commentcountText .= '<span>地板！</span>'; ++$commentcount;
                        break;
                    default:
                        $commentcountText .= ++$commentcount . '楼';
                        break;
                }
        }
        $commentcountText .= '';
    } ?>
    <li <?php comment_class('clearfix'); ?> id="li-comment-<?php comment_ID() ?>">
        <div class="comment-block" id="comment-<?php comment_ID(); ?>">
    <!-- comment-header -->
    <div class="comment-header clearfix">
        <!-- 头像 -->
        <span class="author-img fl">
        <?php echo get_avatar($comment->comment_author_email, 50); ?>
        </span>
        <!-- 名字 -->
        <span class="author-name fl">
        <?php printf(__('%s', 'island'), get_comment_author_link()) ?>
        <?php comment_admin_title($comment->comment_author_email); ?>
        </span>
        <?php if ($comment->comment_approved == '0'): ?>
        <!-- 审核 -->
        <span class="comment-awaiting-moderation fl">
            -你的评论等待审核
        </span>
        <?php endif; ?>
        <!-- 楼层 -->
        <span class="comment-count fr"><?php echo $commentcountText; ?></span>
    </div>
    <!-- comment-body -->
            <div class="comment-body wb clearfix">
                <?php comment_text() ?>
            </div>
    <!-- comment-bottom -->
    <div class="comment-bottom clearfix">
        <!-- 日期 -->
        <span class="comment-date">
            <a class="comment-time" href="<?php echo esc_url(get_comment_link($comment->comment_ID)) ?>">
            <?php printf(__('%1$s - %2$s', 'island'), get_comment_date('m/d/Y'), get_comment_time()) ?></a>
        </span>
        <!-- 回复 -->
        <span class="comment-reply">
        <?php comment_reply_link(array_merge($args, array(
            'depth' => $depth,
            'max_depth' => $args['max_depth']
        ))) ?>
        </span>
        <!-- 编辑 -->
        <span class="comment-edit">
        <?php edit_comment_link(__('(Edit)', 'island'), '  ', '') ?>
        </span>
    </div>
        </div>
<?php
}
function island_cancel_comment_reply_button($html, $link, $text)
{
    $style = isset($_GET['replytocom']) ? '' : ' style="display:none;"';
    $button = '<div id="cancel-comment-reply-link"' . $style . '>';
    return $button . '<i class="icon-remove-sign"></i> </div>';
}
add_action('cancel_comment_reply_link', 'island_cancel_comment_reply_button', 10, 3);