[PHP]代码
- <?php
- require('conn.php');
- $sql="select title from content order by id desc limit 20"; //判断标题相似度
- $result=mysql_query($sql,$conn);
- $cf=0;
- while($row=mysql_fetch_array($result)){
- similar_text($row['title'], $title, $percent); //比较相似度 存放于$percent
- if($percent>90){$cf=1;break;} //飘易注:相似度高于90% 则判断重复
- }
- if($cf==1){
- echo "<SCRIPT language=JavaScript>alert('抱歉!禁止发布重复信息!');";
- echo "this.location.href='vbscript:history.back()';</SCRIPT>";
- mysql_close();
- exit();
- }
- ?>
来源: http://www.phpxs.com/code/1009765/