PHP Typecho_Common::subStr方法代码示例

 /**
  * 返回所有的文章
  * news:
  *      count:
  *      articles:
  *             [
  *                  author:
  *                  title:
  *                  time:
  *                  excerp:
  *              ]
  * @return {}
  */
 public function getPosts()
 {
     $_cats = $this->db->fetchAll($this->db->select('slug, name, mid, count, description')->from('table.metas')->where('type = ?', 'category'));
     $_cat_item = array();
     $res = array();
     foreach ($_cats as $key => $value) {
         $_articles_db = $this->db->fetchAll($this->db->select('table.contents.slug, table.contents.cid, table.contents.text, table.contents.title, table.contents.created, table.users.screenName')->from('table.contents')->join('table.relationships', 'table.relationships.cid = table.contents.cid')->join('table.users', 'table.users.uid = table.contents.authorId')->where('table.contents.status = ?', 'publish')->where('table.contents.type = ?', 'post')->where('table.relationships.mid = ?', $value['mid']));
         //$_articles = array();
         foreach ($_articles_db as $key => $_value_article) {
             //$_value_article['slug'] = $_value_article[];
             //$_value_article['title'] = $_value_article[];
             $_value_article['author'] = $_value_article['screenName'];
             unset($_value_article['screenName']);
             $_value_article['excerp'] = Typecho_Common::subStr(strip_tags($_value_article['text']), 0, 100, '...');
             unset($_value_article['text']);
             $_value_article['time'] = $_value_article['created'];
             unset($_value_article['created']);
             /* 最好在上面内联选择出来 */
             $_value_article['banner'] = self::getBanner($_value_article['cid']);
             $_articles_db[$key] = $_value_article;
             //$_articles[] = $_value_article;
         }
         $_cat_item['articles'] = $_articles_db;
         $_cat_item['count'] = $value['count'];
         $_cat_item['name'] = $value['name'];
         $_cat_item['description'] = $value['description'];
         $res[$value['slug']] = $_cat_item;
     }
     return $res;
 }

 public function loadcomments()
 {
     $t = $this->request->filter('int')->t;
     if (empty($t)) {
         $this->response->throwJson(array('status' => 0));
     }
     $comments = $this->widget('Widget_Comments_List', 'desc=0&limit=1&last=' . $t);
     $data = array();
     if ($comments->have()) {
         while ($comments->next()) {
             $data[] = array('permalink' => $comments->permalink, 'authorAvatar' => $comments->poster->avatar, 'authorName' => $comments->poster->name, 'content' => Typecho_Common::subStr(strip_tags($comments->content), 0, 35));
         }
     }
     if (empty($data)) {
         $this->response->throwJson(array('status' => 0));
     }
     $this->response->throwJson(array('status' => 1, 'data' => $data, 'last' => $comments->created));
 }

 /**
  * 输出标题
  *
  * @access public
  * @param integer $length 标题截取长度
  * @param string $trim 截取后缀
  * @return void
  */
 public function title($length = 0, $trim = '...')
 {
     $title = $this->pluginHandle()->trigger($plugged)->title($this->title, $this);
     if (!$plugged) {
         echo $length > 0 ? Typecho_Common::subStr($this->title, 0, $length, $trim) : $this->title;
     }
 }

 /**
  * pingbackPing
  *
  * @param string $source
  * @param string $target
  * @access public
  * @return void
  */
 public function pingbackPing($source, $target)
 {
     /** 检查源地址是否存在*/
     if (!($http = Typecho_Http_Client::get())) {
         return new IXR_Error(16, _t('源地址服务器错误'));
     }
     try {
         $http->setTimeout(5)->send($source);
         $response = $http->getResponseBody();
         if (200 == $http->getResponseStatus()) {
             if (!$http->getResponseHeader('x-pingback')) {
                 preg_match_all("/<link[^>]*rel=[\"']([^\"']*)[\"'][^>]*href=[\"']([^\"']*)[\"'][^>]*>/i", $response, $out);
                 if (!isset($out[1]['pingback'])) {
                     return new IXR_Error(50, _t('源地址不支持PingBack'));
                 }
             }
         } else {
             return new IXR_Error(16, _t('源地址服务器错误'));
         }
     } catch (Exception $e) {
         return new IXR_Error(16, _t('源地址服务器错误'));
     }
     /** 检查目标地址是否正确*/
     $pathInfo = Typecho_Common::url(substr($target, strlen($this->options->index)), '/');
     $post = Typecho_Router::match($pathInfo);
     /** 这样可以得到cid或者slug*/
     if (!$post instanceof Widget_Archive || !$post->have() || !$post->is('single')) {
         return new IXR_Error(33, _t('这个目标地址不存在'));
     }
     if ($post) {
         /** 检查是否可以ping*/
         if ($post->allowPing) {
             /** 现在可以ping了，但是还得检查下这个pingback是否已经存在了*/
             $pingNum = $this->db->fetchObject($this->db->select(array('COUNT(coid)' => 'num'))->from('table.comments')->where('table.comments.cid = ? AND table.comments.url = ? AND table.comments.type <> ?', $post->cid, $source, 'comment'))->num;
             if ($pingNum <= 0) {
                 /** 现在开始插入以及邮件提示了 $response就是第一行请求时返回的数组*/
                 preg_match("/\\<title\\>([^<]*?)\\<\\/title\\>/is", $response, $matchTitle);
                 $finalTitle = Typecho_Common::removeXSS(trim(strip_tags($matchTitle[1])));
                 /** 干掉html tag，只留下<a>*/
                 $text = Typecho_Common::stripTags($response, '<a href="">');
                 /** 此处将$target quote,留着后面用*/
                 $pregLink = preg_quote($target);
                 /** 找出含有target链接的最长的一行作为$finalText*/
                 $finalText = '';
                 $lines = explode("\n", $text);
                 foreach ($lines as $line) {
                     $line = trim($line);
                     if (NULL != $line) {
                         if (preg_match("|<a[^>]*href=[\"']{$pregLink}[\"'][^>]*>(.*?)</a>|", $line)) {
                             if (strlen($line) > strlen($finalText)) {
                                 /** <a>也要干掉，*/
                                 $finalText = Typecho_Common::stripTags($line);
                             }
                         }
                     }
                 }
                 /** 截取一段字*/
                 if (NULL == trim($finalText)) {
                     return new IXR_Error('17', _t('源地址中不包括目标地址'));
                 }
                 $finalText = '[...]' . Typecho_Common::subStr($finalText, 0, 200, '') . '[...]';
                 $pingback = array('cid' => $post->cid, 'created' => $this->options->gmtTime, 'agent' => $this->request->getAgent(), 'ip' => $this->request->getIp(), 'author' => $finalTitle, 'url' => Typecho_Common::safeUrl($source), 'text' => $finalText, 'ownerId' => $post->author->uid, 'type' => 'pingback', 'status' => $this->options->commentsRequireModeration ? 'waiting' : 'approved');
                 /** 加入plugin */
                 $pingback = $this->pluginHandle()->pingback($pingback, $post);
                 /** 执行插入*/
                 $insertId = $this->singletonWidget('Widget_Abstract_Comments')->insert($pingback);
                 /** 评论完成接口 */
                 $this->pluginHandle()->finishPingback($this);
                 return $insertId;
                 /** todo:发送邮件提示*/
             } else {
                 return new IXR_Error(48, _t('PingBack已经存在'));
             }
         } else {
             return IXR_Error(49, _t('目标地址禁止Ping'));
         }
     } else {
         return new IXR_Error(33, _t('这个目标地址不存在'));
     }
 }

 /**
  * 输出评论摘要
  *
  * @access public
  * @param integer $length 摘要截取长度
  * @param string $trim 摘要后缀
  * @return void
  */
 public function excerpt($length = 100, $trim = '...')
 {
     echo Typecho_Common::subStr(strip_tags($this->content), 0, $length, $trim);
 }

 private function sqlData($postObj, $data)
 {
     $_subMaxNum = Helper::options()->plugin('WeChatHelper')->subMaxNum;
     $resultStr = "";
     $num = 0;
     $tmpPicUrl = "";
     if ($data != null) {
         foreach ($data as $val) {
             $val = Typecho_Widget::widget('Widget_Abstract_Contents')->filter($val);
             $content = Typecho_Common::subStr($this->deleteHtml($val['text']), 0, $_subMaxNum, '...');
             $preg = "/<img\\ssrc=(\\'|\")(.*?)\\.(jpg|png)(\\'|\")/is";
             preg_match($preg, $val['text'], $images);
             if ($images == null) {
                 $tmpPicUrl = $this->_options->imageDefault;
             } else {
                 $tmpPicUrl = $images[2] . '.' . $images[3];
             }
             $resultStr .= sprintf($this->_itemTpl, $val['title'], $content, $tmpPicUrl, $val['permalink']);
             $num++;
         }
     } else {
         $resultStr = "没有找到任何信息！";
     }
     $fromUsername = $postObj->FromUserName;
     $toUsername = $postObj->ToUserName;
     $time = time();
     if ($data != null) {
         $resultStr = sprintf($this->_imageTpl, $fromUsername, $toUsername, $time, $num, $resultStr);
     } else {
         $resultStr = sprintf($this->_textTpl, $fromUsername, $toUsername, $time, $resultStr);
     }
     return $resultStr;
 }

 single<?php 
}
?>
">
<!--[if lt IE 8]>
    <div class="browsehappy" role="dialog"><?php 
_e('当前网页 <strong>不支持</strong> 你正在使用的浏览器. 为了正常的访问, 请 <a href="http://browsehappy.com/">升级你的浏览器</a>');
?>
.</div>
<![endif]-->
<div id="nav">
	<?php 
if ($this->options->logoText) {
    $logoText = mb_strlen($this->options->logoText) > 1 ? Typecho_Common::subStr($this->options->logoText, 0, 1, '') : $this->options->logoText;
} else {
    $logoText = Typecho_Common::subStr($this->options->title, 0, 1, '');
}
?>
	<nav class="nav-menu">
		<a class="site-name<?php 
if ($this->is('index')) {
    ?>
 current<?php 
}
?>
" href="<?php 
$this->options->siteUrl();
?>
" title="<?php 
$this->options->description();
?>

 /**
  * 引用处理函数
  *
  * @access private
  * @return void
  */
 private function trackback()
 {
     /** 如果不是POST方法 */
     if (!$this->request->isPost() || $this->request->getReferer()) {
         $this->response->redirect($this->_content->permalink);
     }
     /** 如果库中已经存在当前ip为spam的trackback则直接拒绝 */
     if ($this->size($this->select()->where('status = ? AND ip = ?', 'spam', $this->request->getIp())) > 0) {
         /** 使用404告诉机器人 */
         throw new Typecho_Widget_Exception(_t('找不到内容'), 404);
     }
     $trackback = array('cid' => $this->_content->cid, 'created' => $this->options->gmtTime, 'agent' => $this->request->getAgent(), 'ip' => $this->request->getIp(), 'ownerId' => $this->_content->author->uid, 'type' => 'trackback', 'status' => $this->options->commentsRequireModeration ? 'waiting' : 'approved');
     $trackback['author'] = $this->request->filter('trim')->blog_name;
     $trackback['url'] = $this->request->filter('trim')->url;
     $trackback['text'] = $this->request->excerpt;
     //检验格式
     $validator = new Typecho_Validate();
     $validator->addRule('url', 'required', 'We require all Trackbacks to provide an url.')->addRule('url', 'url', 'Your url is not valid.')->addRule('url', 'maxLength', 'Your url is not valid.', 200)->addRule('text', 'required', 'We require all Trackbacks to provide an excerption.')->addRule('author', 'required', 'We require all Trackbacks to provide an blog name.')->addRule('author', 'xssCheck', 'Your blog name is not valid.')->addRule('author', 'maxLength', 'Your blog name is not valid.', 200);
     $validator->setBreak();
     if ($error = $validator->run($trackback)) {
         $message = array('success' => 1, 'message' => current($error));
         $this->response->throwXml($message);
     }
     /** 截取长度 */
     $trackback['text'] = Typecho_Common::subStr($trackback['text'], 0, 100, '[...]');
     /** 如果库中已经存在重复url则直接拒绝 */
     if ($this->size($this->select()->where('cid = ? AND url = ? AND type <> ?', $this->_content->cid, $trackback['url'], 'comment')) > 0) {
         /** 使用403告诉机器人 */
         throw new Typecho_Widget_Exception(_t('禁止重复提交'), 403);
     }
     /** 生成过滤器 */
     $trackback = $this->pluginHandle()->trackback($trackback, $this->_content);
     /** 添加引用 */
     $this->insert($trackback);
     /** 评论完成接口 */
     $this->pluginHandle()->finishTrackback($this);
     /** 返回正确 */
     $this->response->throwXml(array('success' => 0, 'message' => 'Trackback has registered.'));
 }

function SB_comment($param)
{
    $comments = Typecho_Widget::widget('Widget_Comments_Recent', 'ignoreAuthor=true&pageSize=' . (empty($param["max"]) ? "5" : $param["max"]));
    if (!$comments->have()) {
        return '';
    }
    $text = '<aside class="widget widget_minty_recentcomments clearfix"><h3 class="widget-title"><span>近期评论</span></h3><ul id="minty_recentcomments">';
    while ($comments->next()) {
        $url = !empty($comments->url) ? $comments->url : "#";
        $text .= "<li><a href=\"" . $url . "\" target=\"_blank\" rel=\"external nofollow\" class=\"avatar\"><img alt=\"\" src=\"" . getAvatar(32, $comments->mail) . "\" class=\"avatar\" height=\"32\" width=\"32\" /></a><div class=\"bd\"><a href=\"" . $url . "\" rel=\"external nofollow\" class=\"url\">" . $comments->author . "</a><a href=\"" . $comments->permalink . "\" class=\"desc\" title=\"发表在 " . timesince($comments->created) . "\">" . Typecho_Common::subStr(strip_tags($comments->text), 0, 25, '...') . "</a></div></li>";
    }
    return $text . '</ul></aside>';
}

 /**
  * 同步文章到新浪微博
  *
  * @access public
  * @param $content $class
  * @return status
  */
 public static function TsinaSync($content, $class)
 {
     //获取插件的配置
     $config = self::getWeiboSyncCfg();
     //如果不是文章编辑（对象$class属于Widget_Abstract_Contents，是否等于对象的值Widget_Contents_Post_Edit，它继承Widget_Abstract_Contents对象），则直接返回内容
     if (!is_a($class, 'Widget_Contents_Post_Edit')) {
         return $content;
     }
     if ($config->sina_mode == '1') {
         if (!$class->request->is("do=publish") || $class->request->is("do=publish") && !$class->have()) {
             return $content;
         }
     } else {
         if (!$class->request->is("do=publish") || $class->request->is("do=publish") && !empty($class->request->cid)) {
             return $content;
         }
     }
     $format = $config->sina_format ? $config->sina_format : '我在TypeCodes上发表了一篇文章《{title}》，链接地址{link}';
     $title = $content['title'];
     $link = self::SinaShortUrl($content['permalink']);
     //如果插件配置中出现了{more}标签，即需要提取文章的摘要信息
     if (strpos($format, '{more}') !== false) {
         if (strpos($content['text'], '<!--more-->') !== false) {
             $more_t = explode('<!--more-->', $content['text']);
             list($more) = $more_t;
             $more = Typecho_Common::fixHtml(Typecho_Common::cutParagraph($more));
             $more = Typecho_Common::subStr(strip_tags($more), 0, 60, '...');
         } else {
             $more = $content['text'];
             $more = Typecho_Common::fixHtml(Typecho_Common::cutParagraph($more));
             $more = Typecho_Common::subStr(strip_tags($more), 0, 60, '...');
         }
     } else {
         $more = "";
     }
     $search = array('{title}', '{link}', '{more}');
     $replace = array($title, $link, $more);
     $format = str_replace($search, $replace, $format);
     $post_img = '';
     if ($config->sina_imgflag) {
         $content_substr = mb_substr($content['text'], 0, 900, 'utf-8');
         if (preg_match('/!\\[[^\\]]*]\\((https):\\/\\/[^\\)]*\\.(png|jpg)(.*)\\)/i', $content_substr, $img_match)) {
             if (preg_match('/(https:\\/\\/)[^>]*?\\.(png|jpg)/i', $img_match[0], $img_match_retult)) {
                 $post_img = $img_match_retult[0];
             }
         }
     }
     self::PostWeibo($format, $post_img);
     return $content;
 }