当PHP版本高于5.5时，织梦DedeCMS无法使用关键词內链，下面是此问题的解决方法。
打开 /include/arc.archives.class.php 找到
$body = @preg_replace_callback("#(^|>)([^<]+)(?=<|$)#sU", "_highlight('\\2', \$karr, \$kaarr, '\\1')", $body);
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改成：
global $cfg_replace_num;
if($cfg_replace_num > 0)
{
$query = "SELECT char_length(keyword) AS num,aid,keyword,rpurl,rank FROM xiuzhanwang_keywords WHERE rpurl<>'' ORDER BY num DESC";
$this->dsql->SetQuery($query);
$this->dsql->Execute();
while($row = $this->dsql->GetArray())
{
$key = trim($row['keyword']);
$key_url=trim($row['rpurl']);
$body = str_replace_limit($key, "<a href='$key_url' target='_blank'><u>$key</u></a>", $body, $cfg_replace_num);
}
}
else
{
$query = "SELECT char_length(keyword) AS num,aid,keyword,rpurl,rank FROM xiuzhanwang_keywords WHERE rpurl<>'' ORDER BY num DESC";
$this->dsql->SetQuery($query);
$this->dsql->Execute();
while($row = $this->dsql->GetArray())
{
$key = trim($row['keyword']);
$key_url=trim($row['rpurl']);
$body = str_replace($key, "<a href='$key_url' target='_blank'><u>$key</u></a>", $body);
}
}
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继续找到：
//高亮专用, 替换多次是可能不能达到最多次 |
在它上面加入：
//指定替换次数功能
function str_replace_limit($search, $replace, $subject, $limit)
{
if(is_array($search))
{
foreach($search as $k=>$v)
{
$search[$k] = '#(?<!>)(?!<)'. preg_quote($search[$k], '#'). '#';
}
}
else
{
$search = '#(?<!>)(?!<)'. preg_quote($search, '#'). '#';
}
return preg_replace($search, $replace, $subject, $limit);
}
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