修改文件:/include/arc.archives.class.php
找到大约1230行:
// 这里可能会有错误 if (version_compare(PHP_VERSION, '5.5.0', '>=')) { print_r($kaarr); $body = @preg_replace_callback("#(^|>)([^<]+)(?=<|$)#sU", "_highlight('\\2', \$karr, \$kaarr, '\\1')", $body); } else { $body = @preg_replace("#(^|>)([^<]+)(?=<|$)#sUe", "_highlight('\\2', \$karr, \$kaarr, '\\1')", $body); }
替换成:
if (version_compare(PHP_VERSION, '5.5.0', '>=')) { global $cfg_replace_num; //$body = @preg_replace_callback("#(^|>)([^<]+)(?=<|$)#sU", "_highlight('\\2', \$karr, \$kaarr, '\\1')", $body); if($cfg_replace_num > 0) { $query = "SELECT * FROM #@__keywords WHERE rpurl<>'' ORDER BY rank 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 * FROM #@__keywords WHERE rpurl<>'' ORDER BY rank 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); } } } else { $body = @preg_replace("#(^|>)([^<]+)(?=<|$)#sUe", "_highlight('\\2', \$karr, \$kaarr, '\\1')", $body); }
接着查找:
//高亮专用, 替换多次是可能不能达到最多次 function _highlight($string, $words, $result, $pre)
在其上面增加
//指定替换次数功能 function str_replace_limit($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); }
OK,DEDE后台系统设置——性能设置——使用关键词关连文章——选择是
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