//检查失效时间
if ($options['trackback_life'] && $timestamp - intval($carr[1]) > 3600 * 24) {
showxml('已经超过本文允许Trackback的时间');
}
$article = $DB->fetch_one_array("SELECT dateline,closetrackback FROM {$db_prefix}articles WHERE articleid='{$articleid}'");
if (!$article) {
showxml('文章不存在');
} elseif ($article['closetrackback']) {
showxml('本文此时不允许引用');
} elseif ($article['dateline'] != intval($carr[1])) {
showxml('文章时间验证失败');
}
$url = sax_addslashes(trim($_POST['url']));
if ($url) {
$title = sax_addslashes(html_excerpt($_POST['title']));
$excerpt = sax_addslashes(trimmed_title(html_excerpt($_POST['excerpt'])), 200);
$blog_name = sax_addslashes(html_excerpt($_POST['blog_name']));
}
if (!$title || !$excerpt || !$url || !$blog_name) {
showxml('参数不正确');
} elseif (substr($url, 0, 7) != 'http://') {
showxml('参数不正确');
}
// 检查Spam
// 定义发送来的此条Trackback初始分数
$point = 0;
$options['tb_spam_level'] = in_array($options['tb_spam_level'], array('strong', 'weak', 'never')) ? $options['tb_spam_level'] : 'weak';
if ($options['audit_trackback']) {
//如果人工审核
$visible = '0';
} elseif ($options['tb_spam_level'] != 'never') {
function newcomments_recache()
{
global $DB, $db_prefix, $options;
$query = $DB->query("SELECT * FROM {$db_prefix}settings WHERE title IN ('recentcomment_num','recentcomment_limit')");
$set = array();
while ($r = $DB->fetch_array($query)) {
$set[$r['title']] = $r['value'];
}
unset($r);
$article_comment_num = (int) $options['article_comment_num'];
$commentdb = array();
if ($set['recentcomment_num']) {
$newcomments = $DB->query("SELECT c.commentid, c.articleid, c.author, c.email, c.url, c.dateline, c.content, a.title, a.alias FROM {$db_prefix}comments c LEFT JOIN {$db_prefix}articles a ON (a.articleid=c.articleid) WHERE a.readpassword = '' AND a.visible='1' AND c.visible='1' ORDER BY commentid DESC LIMIT " . intval($set['recentcomment_num']));
$i = 0;
while ($newcomment = $DB->fetch_array($newcomments)) {
$newcomment['avatardb'] = get_avatar($newcomment['email'], 32);
$newcomment['content'] = preg_replace("/\\[quote=(.*?)\\]\\s*(.+?)\\s*\\[\\/quote\\]/is", "", $newcomment['content']);
if (empty($newcomment['content'])) {
$newcomment['content'] = '......';
}
//处理链接
if ($article_comment_num) {
$cpost = $DB->result($DB->query("SELECT COUNT(commentid) FROM {$db_prefix}comments WHERE articleid='" . $newcomment['articleid'] . "' AND visible='1' AND commentid<='" . $newcomment['commentid'] . "'"), 0);
if ($cpost / $article_comment_num <= 1) {
$page = 1;
} else {
$page = @ceil($cpost / $article_comment_num);
}
} else {
$page = 1;
}
$newcomment['dateline'] = sadate('m-d', $newcomment['dateline']);
$newcomment['content'] = trimmed_title(htmlspecialchars(sax_addslashes(str_replace(array("\r\n", "\n", "\r"), '', $newcomment['content']))), $set['recentcomment_limit']);
$cmnum = '#cm' . $newcomment['commentid'];
$newcomment['article_url'] = getpermalink($newcomment['articleid'], $newcomment['alias'], $page > 1 ? $page : 0) . $cmnum;
$commentdb[$newcomment['commentid']] = $newcomment;
}
unset($newcomment);
}
$contents = "\$newcommentcache = unserialize('" . addcslashes(serialize($commentdb), '\\\'') . "');";
writetocache('newcomments', $contents);
}
function htmlSubString($content, $maxlen = 300, $offset = 0)
{
//把字符按HTML标签变成数组。
$content = preg_split("/(<[^>]+?>)/si", $content, -1, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE);
$wordrows = 0;
//中英字数
$outstr = "";
//生成的字串
$wordend = false;
//是否符合最大的长度
$beginTags = 0;
//除<img><br><hr>这些短标签外，其它计算开始标签，如<div*>
$endTags = 0;
//计算结尾标签，如</div>，如果$beginTags==$endTags表示标签数目相对称，可以退出循环。
//print_r($content);
foreach ($content as $value) {
if (trim($value) == "") {
continue;
}
//如果该值为空，则继续下一个值
if (strpos(";{$value}", "<") > 0) {
//如果与要载取的标签相同，则到处结束截取。
if (trim($value) == $maxlen) {
$wordend = true;
continue;
}
if ($wordend == false) {
$outstr .= $value;
if (!preg_match("/<img([^>]+?)>/is", $value) && !preg_match("/<param([^>]+?)>/is", $value) && !preg_match("/<!([^>]+?)>/is", $value) && !preg_match("/<br([^>]+?)>/is", $value) && !preg_match("/<hr([^>]+?)>/is", $value)) {
$beginTags++;
//除img,br,hr外的标签都加1
}
} else {
if (preg_match("/<\\/([^>]+?)>/is", $value, $matches)) {
$endTags++;
$outstr .= $value;
if ($beginTags == $endTags && $wordend == true) {
break;
}
//字已载完了，并且标签数相称，就可以退出循环。
} else {
if (!preg_match("/<img([^>]+?)>/is", $value) && !preg_match("/<param([^>]+?)>/is", $value) && !preg_match("/<!([^>]+?)>/is", $value) && !preg_match("/<br([^>]+?)>/is", $value) && !preg_match("/<hr([^>]+?)>/is", $value)) {
$beginTags++;
//除img,br,hr外的标签都加1
$outstr .= $value;
}
}
}
} else {
if (is_numeric($maxlen)) {
//截取字数
$curLength = getstrlen($value);
$maxLength = $curLength + $wordrows;
if ($wordend == false) {
if ($maxLength > $maxlen) {
//总字数大于要截取的字数，要在该行要截取
$outstr .= trimmed_title($value, $maxlen - $wordrows, $offset);
$wordend = true;
} else {
$wordrows = $maxLength;
$outstr .= $value;
}
}
} else {
if ($wordend == false) {
$outstr .= $value;
}
}
}
}
//循环替换掉多余的标签，如<p></p>这一类
while (preg_match("/<([^\\/][^>]*?)><\\/([^>]+?)>/is", $outstr)) {
$outstr = preg_replace_callback("/<([^\\/][^>]*?)><\\/([^>]+?)>/is", "strip_empty_html", $outstr);
}
//把误换的标签换回来
if (strpos(";" . $outstr, "[html_") > 0) {
$outstr = str_replace("[html_<]", "<", $outstr);
$outstr = str_replace("[html_>]", ">", $outstr);
}
//echo htmlspecialchars($outstr);
return $outstr;
}
}
//htmlSubString
//echo 'aaa:'.getstrlen($article['content']);
//截取内容
if ($options['wap_article_limit'] && !$offset) {
if (getstrlen($article['content']) < $options['wap_article_limit']) {
$last = 0;
$next = 0;
} else {
$article['content'] = trimmed_title($article['content'], $options['wap_article_limit']);
$last = 0;
$next = 1;
$offset_next = $offset + $options['wap_article_limit'];
}
} elseif ($options['wap_article_limit'] && $offset > 0) {
$article['content'] = trimmed_title($article['content'], $options['wap_article_limit'], $offset);
$last = 1;
$offset_last = $offset - $options['wap_article_limit'];
if ($offset_last < 0) {
$offset_last = 0;
}
if (getstrlen($article['content']) < $options['wap_article_limit']) {
$next = 0;
} else {
$next = 1;
$offset_next = $offset + $options['wap_article_limit'];
}
} else {
$last = 0;
$next = 0;
}
unset($meta);
$relids = explode(',', $relaids);
// 清除重复值的单元并删除当前ID
$relids = array_unique($relids);
$relids = array_flip($relids);
unset($relids[$article['articleid']]);
$relids = array_flip($relids);
////////
$related_total = count($relids);
$relids = implode(',', $relids);
if ($related_total > 1 && $relids != $article['articleid']) {
$query = $DB->query("SELECT articleid,title,alias,comments FROM {$db_prefix}articles WHERE visible='1' AND articleid IN ({$relids}) ORDER BY dateline DESC LIMIT " . intval($options['related_shownum']));
$titledb = array();
while ($title = $DB->fetch_array($query)) {
$title['url'] = getpermalink($title['articleid'], $title['alias']);
$title['title'] = trimmed_title($title['title'], $options['related_title_limit']);
$titledb[$title['articleid']] = $title;
}
unset($title);
$DB->free_result($query);
}
}
}
// 评论
if ($article['comments']) {
$commentsql = '';
/*
改成评论嵌套就不用LIMIT了。直接查询全部，再用array_slice分割数组分页。
if($article_comment_num) {
if($page) {
$cmtorderid = ($page - 1) * $article_comment_num;
