functions.php

<?php
if (!defined('__TYPECHO_ROOT_DIR__')) exit;
error_reporting(0);
define('INITIAL_VERSION_NUMBER', '2.5.5');
if (Helper::options()->GravatarUrl) define('__TYPECHO_GRAVATAR_PREFIX__', Helper::options()->GravatarUrl);

function themeConfig($form) {
	$logoUrl = new Typecho_Widget_Helper_Form_Element_Text('logoUrl', NULL, NULL, _t('站点标题 LOGO 地址'), _t('在这里填入一个图片 URL 地址, 以显示网站标题 LOGO'));
	$form->addInput($logoUrl);

	$customTitle = new Typecho_Widget_Helper_Form_Element_Text('customTitle', NULL, NULL, _t('自定义站点标题'), _t('仅用于替换页面头部位置的“标题”显示，和Typecho后台设置的站点名称不冲突，留空则显示默认站点名称'));
	$form->addInput($customTitle);

	$titleForm = new Typecho_Widget_Helper_Form_Element_Radio('titleForm', 
	array('title' => _t('仅文字'),
	'logo' => _t('仅LOGO'),
	'all' => _t('LOGO+文字')),
	'title', _t('站点标题显示内容'), _t('默认仅显示文字标题，若要显示LOGO，请在上方添加 LOGO 地址'));
	$form->addInput($titleForm);

	$subTitle = new Typecho_Widget_Helper_Form_Element_Text('subTitle', NULL, NULL, _t('自定义站点副标题'), _t('浏览器副标题，仅在当前页面为首页时显示，显示格式为：<b>标题 - 副标题</b>，留空则不显示副标题'));
	$form->addInput($subTitle);

	$favicon = new Typecho_Widget_Helper_Form_Element_Text('favicon', NULL, NULL, _t('Favicon 地址'), _t('在这里填入一个图片 URL 地址, 以添加一个Favicon，留空则不单独设置Favicon'));
	$form->addInput($favicon);

	$CustomCSS = new Typecho_Widget_Helper_Form_Element_Textarea('CustomCSS', NULL, NULL, _t('自定义样式'), _t('在这里填入你的自定义样式（直接填入css，无需&lt;style&gt;标签）'));
	$form->addInput($CustomCSS);

	$cjcdnAddress = new Typecho_Widget_Helper_Form_Element_Text('cjcdnAddress', NULL, NULL, _t('主题静态文件（css和js）的链接地址替换'), _t('请输入你的CDN云存储地址，例如：<b class="notice">//cdn.jsdelivr.net/gh/jielive/initial/</b><br><b>被替换的原地址为主题文件位置，即：http://www.example.com/usr/themes/initial/</b>'));
	$form->addInput($cjcdnAddress);

	$AttUrlReplace = new Typecho_Widget_Helper_Form_Element_Textarea('AttUrlReplace', NULL, NULL, _t('文章内的链接地址替换（建议用在图片等静态资源的链接上）'), _t('按照格式输入你的CDN链接以替换原链接，格式：<br><b class="notice">原地址=替换地址</b><br>原地址与新地址之间用等号“=”分隔，例如：<br><b>http://www.example.com/usr/uploads/=http://cdn.example.com/usr/uploads/</b><br>可设置多个规则，换行即可，一行一个'));
	$form->addInput($AttUrlReplace);

	$Navset = new Typecho_Widget_Helper_Form_Element_Checkbox('Navset', 
	array('ShowCategory' => _t('显示分类'),
	'AggCategory' => _t('↪合并分类'),
	'ShowPage' => _t('显示页面'),
	'AggPage' => _t('↪合并页面')),
	array('ShowCategory', 'AggCategory', 'ShowPage'), _t('导航栏显示'), _t('默认显示合并的分类，显示页面'));
	$form->addInput($Navset->multiMode());

	$CategoryText = new Typecho_Widget_Helper_Form_Element_Text('CategoryText', NULL, NULL, _t('导航栏-分类 下拉菜单显示名称（使用“导航栏显示-合并分类”时生效）'), _t('在这里输入导航栏<b>分类</b>下拉菜单的显示名称,留空则默认显示为“分类”'));
	$form->addInput($CategoryText);

	$PageText = new Typecho_Widget_Helper_Form_Element_Text('PageText', NULL, NULL, _t('导航栏-页面 下拉菜单显示名称（使用“导航栏显示-合并页面”时生效）'), _t('在这里输入导航栏<b>页面</b>下拉菜单的显示名称,留空则默认显示为“其他”'));
	$form->addInput($PageText);

	$Breadcrumbs = new Typecho_Widget_Helper_Form_Element_Checkbox('Breadcrumbs', 
	array('Postshow' => _t('文章内显示'),
	'Text' => _t('↪文章标题替换为“正文”'),
	'Pageshow' => _t('页面内显示')),
	array('Postshow', 'Text', 'Pageshow'), _t('面包屑导航显示'), _t('默认在文章与页面内显示，并将文章标题替换为“正文”'));
	$form->addInput($Breadcrumbs->multiMode());

	$WeChat = new Typecho_Widget_Helper_Form_Element_Text('WeChat', NULL, NULL, _t('微信打赏二维码（建议图片尺寸不低于240*240）'), _t('在这里填入一个图片 URL 地址, 以添加一个微信打赏二维码，留空则不设置微信打赏'));
	$form->addInput($WeChat);

	$Alipay = new Typecho_Widget_Helper_Form_Element_Text('Alipay', NULL, NULL, _t('支付宝打赏二维码（建议图片尺寸不低于240*240）'), _t('在这里填入一个图片 URL 地址, 以添加一个支付宝打赏二维码，留空则不设置支付宝打赏'));
	$form->addInput($Alipay);

	$LicenseInfo = new Typecho_Widget_Helper_Form_Element_Text('LicenseInfo', NULL, NULL, _t('文章许可信息'), _t('填入后将在文章底部显示你填入的许可信息（支持HTML标签，输入数字“0”可关闭显示），留空则默认使用 (CC BY-SA 4.0)国际许可协议。'));
	$form->addInput($LicenseInfo);

	$HeadFixed = new Typecho_Widget_Helper_Form_Element_Radio('HeadFixed', 
	array(1 => _t('启用'),
	0 => _t('关闭')),
	0, _t('浮动显示头部'), _t('默认关闭'));
	$form->addInput($HeadFixed);

	$SidebarFixed = new Typecho_Widget_Helper_Form_Element_Radio('SidebarFixed', 
	array(1 => _t('启用'),
	0 => _t('关闭')),
	0, _t('动态显示侧边栏'), _t('默认关闭'));
	$form->addInput($SidebarFixed);

	$cjCDN = new Typecho_Widget_Helper_Form_Element_Radio('cjCDN', 
	array('jd' => _t('jsDelivr'),
	'sc' => _t('Staticfile'),
	'cf' => _t('CDNJS')),
	'jd', _t('公共静态资源来源'), _t('默认jsDelivr，若JS文件异常，可尝试切换来源'));
	$form->addInput($cjCDN);

	$GravatarUrl = new Typecho_Widget_Helper_Form_Element_Radio('GravatarUrl', 
	array(false => _t('官方源'),
	'https://cn.gravatar.com/avatar/' => _t('国内源'),
	'https://gravatar.loli.net/avatar/' => _t('loli源'),
	'https://sdn.geekzu.org/avatar/' => _t('极客族源'),
	'https://dn-qiniu-avatar.qbox.me/avatar/' => _t('七牛源')),
	false, _t('Gravatar头像源'), _t('默认官方源，若头像显示异常，可尝试切换来源'));
	$form->addInput($GravatarUrl);

	$compressHtml = new Typecho_Widget_Helper_Form_Element_Radio('compressHtml', 
	array(1 => _t('启用'),
	0 => _t('关闭')),
	0, _t('HTML压缩'), _t('默认关闭，启用则会对HTML代码进行压缩，可能与部分插件存在兼容问题，请酌情选择开启或者关闭'));
	$form->addInput($compressHtml);

	$PjaxOption = new Typecho_Widget_Helper_Form_Element_Radio('PjaxOption', 
	array(1 => _t('启用'),
	0 => _t('关闭')),
	0, _t('全站Pjax'), _t('默认关闭，启用则会强制关闭“反垃圾保护”，强制“将较新的的评论显示在前面”'));
	$form->addInput($PjaxOption);

	$AjaxLoad = new Typecho_Widget_Helper_Form_Element_Radio('AjaxLoad', 
	array('auto' => _t('自动'),
	'click' => _t('点击'),
	0 => _t('关闭')),
	0, _t('Ajax翻页'), _t('默认关闭，启用则会使用Ajax加载下一页的文章'));
	$form->addInput($AjaxLoad);

	$Highlight = new Typecho_Widget_Helper_Form_Element_Radio('Highlight', 
	array(1 => _t('启用'),
	0 => _t('关闭')),
	0, _t('代码高亮'), _t('默认关闭，启用则会渲染页面内代码块”'));
	$form->addInput($Highlight);

	$catalog = new Typecho_Widget_Helper_Form_Element_Radio('catalog', 
	array('post' => _t('使用文章内设定'),
	'open' => _t('全部启用'),
	0 => _t('全部关闭')),
	'post', _t('文章目录'), _t('一键开关全部文章目录，默认使用文章内的设定，（若文章内无任何标题，则不显示目录）'));
	$form->addInput($catalog);

	$scrollTop = new Typecho_Widget_Helper_Form_Element_Radio('scrollTop', 
	array(1 => _t('启用'),
	0 => _t('关闭')),
	0, _t('返回顶部'), _t('默认关闭，启用将在右下角显示“返回顶部”按钮'));
	$form->addInput($scrollTop);

	$MusicSet = new Typecho_Widget_Helper_Form_Element_Radio('MusicSet', 
	array('order' => _t('顺序播放'),
	'shuffle' => _t('随机播放'),
	0 => _t('关闭')),
	0, _t('背景音乐'), _t('默认关闭，启用后请填写音乐地址,否则开启无效'));
	$form->addInput($MusicSet);

	$MusicUrl = new Typecho_Widget_Helper_Form_Element_Textarea('MusicUrl', NULL, NULL, _t('背景音乐地址（建议使用mp3格式）'), _t('请输入完整的音频文件路径，例如：<br>https://music.163.com/song/media/outer/url?id=<b class="notice">{MusicID}</b>.mp3<br>可设置多个音频，换行即可，一行一个，留空则关闭背景音乐'));
	$form->addInput($MusicUrl);

	$MusicVol = new Typecho_Widget_Helper_Form_Element_Text('MusicVol', NULL, NULL, _t('背景音乐播放音量（输入范围：0~1）'), _t('请输入一个0到1之间的小数（0为静音  0.5为50%音量  1为100%最大音量）输入错误内容或留空则使用默认音量100%'));
	$form->addInput($MusicVol);

	$InsideLinksIcon = new Typecho_Widget_Helper_Form_Element_Radio('InsideLinksIcon', 
	array(1 => _t('启用'),
	0 => _t('关闭')),
	0, _t('显示链接图标（内页）'), _t('默认关闭，启用后内页（链接模板）链接将显示链接图标'));
	$form->addInput($InsideLinksIcon);

	$IndexLinksSort = new Typecho_Widget_Helper_Form_Element_Text('IndexLinksSort', NULL, NULL, _t('首页显示的链接分类（支持多分类，请用英文逗号“,”分隔）'), _t('若只需显示某分类下的链接，请输入链接分类名（建议使用字母形式的分类名），留空则默认显示全部链接'));
	$form->addInput($IndexLinksSort);

	$InsideLinksSort = new Typecho_Widget_Helper_Form_Element_Text('InsideLinksSort', NULL, NULL, _t('内页（链接模板）显示的链接分类（支持多分类，请用英文逗号“,”分隔）'), _t('若只需显示某分类下的链接，请输入链接分类名（建议使用字母形式的分类名），留空则默认显示全部链接'));
	$form->addInput($InsideLinksSort);

	$ShowLinks = new Typecho_Widget_Helper_Form_Element_Checkbox('ShowLinks', array('footer' => _t('页脚'), 'sidebar' => _t('侧边栏')), NULL, _t('首页显示链接'));
	$form->addInput($ShowLinks->multiMode());

	$ShowWhisper = new Typecho_Widget_Helper_Form_Element_Checkbox('ShowWhisper', array('index' => _t('首页'), 'sidebar' => _t('侧边栏')), NULL, _t('显示最新的“轻语”'));
	$form->addInput($ShowWhisper->multiMode());

	$sidebarBlock = new Typecho_Widget_Helper_Form_Element_Checkbox('sidebarBlock', 
	array('ShowHotPosts' => _t('显示热门文章（根据评论数量排序）'),
	'ShowRecentPosts' => _t('显示最新文章'),
	'ShowRecentComments' => _t('显示最近回复'),
	'IgnoreAuthor' => _t('↪不显示作者回复'),
	'ShowCategory' => _t('显示分类'),
	'ShowTag' => _t('显示标签'),
	'ShowArchive' => _t('显示归档'),
	'ShowOther' => _t('显示其它杂项')),
	array('ShowRecentPosts', 'ShowRecentComments', 'ShowCategory', 'ShowTag', 'ShowArchive', 'ShowOther'), _t('侧边栏显示'));
	$form->addInput($sidebarBlock->multiMode());

	$OneCOL = new Typecho_Widget_Helper_Form_Element_Radio('OneCOL', 
	array(1 => _t('启用'),
	0 => _t('关闭')),
	0, _t('单栏模式'), _t('关闭侧边栏，仅显示主栏内容。'));
	$form->addInput($OneCOL);

	$ICPbeian = new Typecho_Widget_Helper_Form_Element_Text('ICPbeian', NULL, NULL, _t('ICP备案号'), _t('在这里输入ICP备案号,留空则不显示'));
	$form->addInput($ICPbeian);

	$CustomContent = new Typecho_Widget_Helper_Form_Element_Textarea('CustomContent', NULL, NULL, _t('底部自定义内容'), _t('位于底部，footer之后body之前，适合放置一些JS内容，如网站统计代码等（若开启全站Pjax，目前支持Google和百度统计的回调，其余统计代码可能会不准确）'));
	$form->addInput($CustomContent);
}

function themeInit($archive) {
	$options = Helper::options();
	$options->commentsAntiSpam = false;
	if ($options->PjaxOption || FindContents('page-whisper.php', 'commentsNum', 'd')) {
		$options->commentsOrder = 'DESC';
		$options->commentsPageDisplay = 'first';
	}
	if ($archive->is('single')) {
		$archive->content = hrefOpen($archive->content);
		if ($options->AttUrlReplace) {
			$archive->content = UrlReplace($archive->content);
		}
		if ($archive->is('post') && (($options->catalog == 'post' && $archive->fields->catalog) || $options->catalog == 'open')) {
			$archive->content = createCatalog($archive->content);
		}
	}
}

function cjUrl($path) {
	$options = Helper::options();
	$ver = '?ver='.constant("INITIAL_VERSION_NUMBER");
	if ($options->cjcdnAddress) {
		echo rtrim($options->cjcdnAddress, '/').'/'.$path.$ver;
	} else {
		$options->themeUrl($path.$ver);
	}
}

function hrefOpen($obj) {
	return preg_replace('/<a\b([^>]+?)\bhref="((?!'.addcslashes(Helper::options()->index, '/._-+=#?&').'|\#).*?)"([^>]*?)>/i', '<a\1href="\2"\3 target="_blank">', $obj);
}

function UrlReplace($obj) {
	$list = explode(PHP_EOL, Helper::options()->AttUrlReplace);
	foreach ($list as $tmp) {
		list($old, $new) = explode('=', $tmp);
		$obj = str_replace($old, $new, $obj);
	}
	return $obj;
}

function postThumb($obj) {
	$thumb = $obj->fields->thumb;
	if (!$thumb) {
		return false;
	}
	if (is_numeric($thumb)) {
		preg_match_all('/<img.*?src="(.*?)".*?[\/]?>/i', $obj->content, $matches);
		if (isset($matches[1][$thumb-1])) {
			$thumb = $matches[1][$thumb-1];
		} else {
			return false;
		}
	}
	if (Helper::options()->AttUrlReplace) {
		$thumb = UrlReplace($thumb);
	}
	return '<img src="'.$thumb.'" />';
}

function Postviews($archive) {
	$db = Typecho_Db::get();
	$cid = $archive->cid;
	if (!array_key_exists('views', $db->fetchRow($db->select()->from('table.contents')))) {
		$db->query('ALTER TABLE `'.$db->getPrefix().'contents` ADD `views` INT(10) DEFAULT 0;');
	}
	$exist = $db->fetchRow($db->select('views')->from('table.contents')->where('cid = ?', $cid))['views'];
	if ($archive->is('single')) {
		$cookie = Typecho_Cookie::get('contents_views');
		$cookie = $cookie ? explode(',', $cookie) : array();
		if (!in_array($cid, $cookie)) {
			$db->query($db->update('table.contents')
				->rows(array('views' => (int)$exist+1))
				->where('cid = ?', $cid));
			$exist = (int)$exist+1;
			array_push($cookie, $cid);
			$cookie = implode(',', $cookie);
			Typecho_Cookie::set('contents_views', $cookie);
		}
	}
	echo $exist == 0 ? '暂无阅读' : $exist.' 次阅读';
}

function Breadcrumbs($archive) {
	$options = Helper::options();
	if (!empty($options->Breadcrumbs) && in_array('Pageshow', $options->Breadcrumbs)) {
		echo '<div class="breadcrumbs">'.PHP_EOL .'<a href="'.$options->siteUrl.'">首页</a> &raquo; '.$archive->title.PHP_EOL .'</div>'.PHP_EOL;
	}
}

function createCatalog($obj) {
	global $catalog;
	global $catalog_count;
	$catalog = array();
	$catalog_count = 0;
	$obj = preg_replace_callback('/<h([1-6])(.*?)>(.*?)<\/h\1>/i', function($obj) {
		global $catalog;
		global $catalog_count;
		$catalog_count ++;
		$catalog[] = array('text' => trim(strip_tags($obj[3])), 'depth' => $obj[1], 'count' => $catalog_count);
		return '<h'.$obj[1].$obj[2].'><a class="cl-offset" name="cl-'.$catalog_count.'"></a>'.$obj[3].'</h'.$obj[1].'>';
	}, $obj);
	return $obj.PHP_EOL .getCatalog();
}

function getCatalog() {
	global $catalog;
	$index = '';
	if ($catalog) {
		$index = '<ul>'.PHP_EOL;
		$prev_depth = '';
		$to_depth = 0;
		foreach($catalog as $catalog_item) {
			$catalog_depth = $catalog_item['depth'];
			if ($prev_depth) {
				if ($catalog_depth == $prev_depth) {
					$index .= '</li>'.PHP_EOL;
				} elseif ($catalog_depth > $prev_depth) {
					$to_depth++;
					$index .= PHP_EOL .'<ul>'.PHP_EOL;
				} else {
					$to_depth2 = ($to_depth > ($prev_depth - $catalog_depth)) ? ($prev_depth - $catalog_depth) : $to_depth;
					if ($to_depth2) {
						for ($i=0; $i<$to_depth2; $i++) {
							$index .= '</li>'.PHP_EOL .'</ul>'.PHP_EOL;
							$to_depth--;
						}
					}
					$index .= '</li>'.PHP_EOL;
				}
			}
			$index .= '<li><a href="#cl-'.$catalog_item['count'].'" onclick="Catalogswith()">'.$catalog_item['text'].'</a>';
			$prev_depth = $catalog_item['depth'];
		}
		for ($i=0; $i<=$to_depth; $i++) {
			$index .= '</li>'.PHP_EOL .'</ul>'.PHP_EOL;
		}
	$index = '<div id="catalog-col">'.PHP_EOL .'<b>文章目录</b>'.PHP_EOL .$index.'<script>function Catalogswith(){document.getElementById("catalog-col").classList.toggle("catalog");document.getElementById("catalog").classList.toggle("catalog")}</script>'.PHP_EOL .'</div>'.PHP_EOL;
	}
	return $index;
}

function CommentAuthor($obj, $autoLink = NULL, $noFollow = NULL) {
	$options = Helper::options();
	$autoLink = $autoLink ? $autoLink : $options->commentsShowUrl;
	$noFollow = $noFollow ? $noFollow : $options->commentsUrlNofollow;
	if ($obj->url && $autoLink) {
		echo '<a href="'.$obj->url.'"'.($noFollow ? ' rel="external nofollow"' : NULL).(strstr($obj->url, $options->index) == $obj->url ? NULL : ' target="_blank"').'>'.$obj->author.'</a>';
	} else {
		echo $obj->author;
	}
}

function CommentAt($coid){
	$db = Typecho_Db::get();
	$prow = $db->fetchRow($db->select('parent')->from('table.comments')
		->where('coid = ? AND status = ?', $coid, 'approved'));
	$parent = $prow['parent'];
	if ($prow && $parent != '0') {
		$arow = $db->fetchRow($db->select('author')->from('table.comments')
			->where('coid = ? AND status = ?', $parent, 'approved'));
		echo '<b class="comment-at">@'.$arow['author'].'</b>';
	}
}

function Contents_Post_Initial($limit = 10, $order = 'created') {
	$db = Typecho_Db::get();
	$options = Helper::options();
	$posts = $db->fetchAll($db->select()->from('table.contents')
		->where('type = ? AND status = ? AND created < ?', 'post', 'publish', $options->time)
		->order($order, Typecho_Db::SORT_DESC)
		->limit($limit), array(Typecho_Widget::widget('Widget_Abstract_Contents'), 'filter'));
	if ($posts) {
		foreach($posts as $post) {
			echo '<li><a'.($post['hidden'] && $options->PjaxOption ? '' : ' href="'.$post['permalink'].'"').'>'.htmlspecialchars($post['title']).'</a></li>'.PHP_EOL;
		}
	} else {
		echo '<li>暂无文章</li>'.PHP_EOL;
	}
}

class Initial_Widget_Comments_Recent extends Widget_Abstract_Comments
{
	public function __construct($request, $response, $params = NULL) {
		parent::__construct($request, $response, $params);
		$this->parameter->setDefault(array('pageSize' => $this->options->commentsListSize, 'parentId' => 0, 'ignoreAuthor' => false));
	}
	public function execute() {
		$select  = $this->select()->limit($this->parameter->pageSize)
		->where('table.comments.status = ?', 'approved')
		->order('table.comments.coid', Typecho_Db::SORT_DESC);
		if ($this->parameter->parentId) {
			$select->where('cid = ?', $this->parameter->parentId);
		}
		if ($this->options->commentsShowCommentOnly) {
			$select->where('type = ?', 'comment');
		}
		if ($this->parameter->ignoreAuthor) {
			$select->where('ownerId <> authorId');
		}
		$page_whisper = FindContents('page-whisper.php', 'commentsNum', 'd');
		if ($page_whisper) {
			$select->where('cid <> ? OR (cid = ? AND parent <> ?)', $page_whisper[0]['cid'], $page_whisper[0]['cid'], '0');
		}
		$this->db->fetchAll($select, array($this, 'push'));
	}
}

function FindContent($cid) {
	$db = Typecho_Db::get();
	return $db->fetchRow($db->select()->from('table.contents')
	->where('cid = ?', $cid)
	->limit(1), array(Typecho_Widget::widget('Widget_Abstract_Contents'), 'filter'));
}

function FindContents($val = NULL, $order = 'order', $sort = 'a', $publish = NULL) {
	$db = Typecho_Db::get();
	$sort = ($sort == 'a') ? Typecho_Db::SORT_ASC : Typecho_Db::SORT_DESC;
	$select = $db->select()->from('table.contents')
		->where('created < ?', Helper::options()->time)
		->order($order, $sort);
	if ($val) {
		$select->where('template = ?', $val);
	}
	if ($publish) {
		$select->where('status = ?','publish');
	}
	$content = $db->fetchAll($select, array(Typecho_Widget::widget('Widget_Abstract_Contents'), 'filter'));
	return empty($content) ? NULL : $content;
}

function Whisper($sidebar = NULL) {
	$db = Typecho_Db::get();
	$options = Helper::options();
	$page = FindContents('page-whisper.php', 'commentsNum', 'd');
	$p = $sidebar ? 'li' : 'p';
	$remind = '';
	if (Typecho_Widget::widget('Widget_User')->pass('editor', true) && (!$page || isset($page[1]))) {
		$remind = '<'.$p.' class="notice"><b>仅管理员可见: </b>'.($page ? '发现多个"轻语"模板页面，已自动选取内容较多的页面来展示，请删除多余模板页面。' : '未找到"轻语"模板页面，请创建"轻语"模板页面。').'</'.$p.'>'.PHP_EOL;
	}
	if ($page) {
		$page = $page[0];
		$title = $sidebar ? '<h3 class="widget-title">'.$page['title'].'</h3>' : '<h2 class="post-title"><a href="'.$page['permalink'].'">'.$page['title'].'<span class="more">···</span></a></h2>';
		$comment = $db->fetchAll($db->select()->from('table.comments')
			->where('cid = ? AND status = ? AND parent = ?', $page['cid'], 'approved', '0')
			->order('coid', Typecho_Db::SORT_DESC)
			->limit(1));
		if ($comment) {
			$content = hrefOpen(Markdown::convert($comment[0]['text']));
			if ($options->AttUrlReplace) {
				$content = UrlReplace($content);
			}
			$content = strip_tags($content, '<p><br><strong><a><img><pre><code>'.$options->commentsHTMLTagAllowed).($sidebar ? PHP_EOL .'<li class="more"><a href="'.$page['permalink'].'">查看更多...</a></li>' : '');
		} else {
			$content = '<'.$p.'>暂无内容</'.$p.'>';
		}
	} else {
		$title = $sidebar ? '<h3 class="widget-title">轻语</h3>' : '<h2 class="post-title"><a>轻语</a></h2>';
		$content = '<'.$p.'>暂无内容</'.$p.'>';
	}
	echo $title.PHP_EOL .($sidebar ? '<ul class="widget-list whisper">' : '<div class="post-content">').PHP_EOL .$content.PHP_EOL .$remind.($sidebar ? '</ul>' : '</div>').PHP_EOL;
}

function Links($sorts = NULL, $icon = 0) {
	$db = Typecho_Db::get();
	$link = NULL;
	$list = NULL;
	$page_links = FindContents('page-links.php', 'order', 'a');
	if ($page_links) {
		$exist = $db->fetchRow($db->select()->from('table.fields')
			->where('cid = ? AND name = ?', $page_links[0]['cid'], 'links'));
		if (empty($exist)) {
			$db->query($db->insert('table.fields')
				->rows(array(
					'cid'           =>  $page_links[0]['cid'],
					'name'          =>  'links',
					'type'          =>  'str',
					'str_value'     =>  NULL,
					'int_value'     =>  0,
					'float_value'   =>  0
				)));
			return NULL;
		}
		$list = $exist['str_value'];
	}
	if ($list) {
		$list = explode(PHP_EOL, $list);
		foreach ($list as $val) {
			list($name, $url, $description, $logo, $sort) = explode(',', $val);
			if ($sorts) {
				$arr = explode(',', $sorts);
				if ($sort && in_array($sort, $arr)) {
					$link .= '<li><a'.($url ? ' href="'.$url.'"' : '').($icon==1&&$url ? ' class="l_logo"' : '').' title="'.$description.'" target="_blank">'.($icon==1&&$url ? '<img src="'.($logo ? $logo : rtrim($url, '/').'/favicon.ico').'" onerror="erroricon(this)">' : '').'<span>'.($url ? $name : '<del>'.$name.'</del>').'</span></a></li>'.PHP_EOL;
				}
			} else {
				$link .= '<li><a'.($url ? ' href="'.$url.'"' : '').($icon==1&&$url ? ' class="l_logo"' : '').' title="'.$description.'" target="_blank">'.($icon==1&&$url ? '<img src="'.($logo ? $logo : rtrim($url, '/').'/favicon.ico').'" onerror="erroricon(this)">' : '').'<span>'.($url ? $name : '<del>'.$name.'</del>').'</span></a></li>'.PHP_EOL;
			}
		}
	}
	echo $link ? $link : '<li>暂无链接</li>'.PHP_EOL;
}

function Playlist() {
	$options = Helper::options();
	$arr = explode(PHP_EOL, $options->MusicUrl);
	if ($options->MusicSet == 'shuffle') {
		shuffle($arr);
	}
	echo implode(',', $arr);
}

function compressHtml($html_source) {
	$chunks = preg_split('/(<!--<nocompress>-->.*?<!--<\/nocompress>-->|<nocompress>.*?<\/nocompress>|<pre.*?\/pre>|<textarea.*?\/textarea>|<script.*?\/script>)/msi', $html_source, -1, PREG_SPLIT_DELIM_CAPTURE);
	$compress = '';
	foreach ($chunks as $c) {
		if (strtolower(substr($c, 0, 19)) == '<!--<nocompress>-->') {
			$c = substr($c, 19, strlen($c) - 19 - 20);
			$compress .= $c;
			continue;
		} else if (strtolower(substr($c, 0, 12)) == '<nocompress>') {
			$c = substr($c, 12, strlen($c) - 12 - 13);
			$compress .= $c;
			continue;
		} else if (strtolower(substr($c, 0, 4)) == '<pre' || strtolower(substr($c, 0, 9)) == '<textarea') {
			$compress .= $c;
			continue;
		} else if (strtolower(substr($c, 0, 7)) == '<script' && strpos($c, '//') != false && (strpos($c, PHP_EOL) !== false || strpos($c, PHP_EOL) !== false)) {
			$tmps = preg_split('/(\r|\n)/ms', $c, -1, PREG_SPLIT_NO_EMPTY);
			$c = '';
			foreach ($tmps as $tmp) {
				if (strpos($tmp, '//') !== false) {
					if (substr(trim($tmp), 0, 2) == '//') {
						continue;
					}
					$chars = preg_split('//', $tmp, -1, PREG_SPLIT_NO_EMPTY);
					$is_quot = $is_apos = false;
					foreach ($chars as $key => $char) {
						if ($char == '"' && $chars[$key - 1] != '\\' && !$is_apos) {
							$is_quot = !$is_quot;
						} else if ($char == '\'' && $chars[$key - 1] != '\\' && !$is_quot) {
							$is_apos = !$is_apos;
						} else if ($char == '/' && $chars[$key + 1] == '/' && !$is_quot && !$is_apos) {
							$tmp = substr($tmp, 0, $key);
							break;
						}
					}
				}
				$c .= $tmp;
			}
		}
		$c = preg_replace('/[\\n\\r\\t]+/', ' ', $c);
		$c = preg_replace('/\\s{2,}/', ' ', $c);
		$c = preg_replace('/>\\s</', '> <', $c);
		$c = preg_replace('/\\/\\*.*?\\*\\//i', '', $c);
		$c = preg_replace('/<!--[^!]*-->/', '', $c);
		$compress .= $c;
	}
	return $compress;
}

function themeFields($layout) {
	$thumb = new Typecho_Widget_Helper_Form_Element_Text('thumb', NULL, NULL, _t('自定义缩略图'), _t('在这里填入一个图片 URL 地址, 以添加本文的缩略图，若填入纯数字，例如 <b>3</b> ，则使用文章第三张图片作为缩略图（对应位置无图则不显示缩略图），留空则默认不显示缩略图'));
	$thumb->input->setAttribute('class', 'w-100');
	$layout->addItem($thumb);

	$catalog = new Typecho_Widget_Helper_Form_Element_Radio('catalog', 
	array(1 => _t('启用'),
	0 => _t('关闭')),
	0, _t('文章目录'), _t('默认关闭，启用则会在文章内显示“文章目录”（若文章内无任何标题，则不显示目录），需要在“控制台-设置外观-文章目录”启用“使用文章内设定”后，方可生效'));
	$layout->addItem($catalog);
}