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wordpress刪除重復(fù)文章一共有三種方法：
1. 插件：使用一款插件，名字叫做Delete Duplicate Posts

2. 操作數(shù)據(jù)庫：

CREATE TABLE my_tmp AS SELECT MIN(ID) AS col1 FROM wp_posts GROUP BY post_title;
DELETE FROM wp_posts WHERE ID NOT IN (SELECT col1 FROM my_tmp);
DROP TABLE my_tmp;

3.php程序刪除

require('./wp-load.php');
$strsql="create table my_tmp as select min(ID) as col1 from cd_posts group by post_title";
$strsql1="delete from cd_posts where ID not in (select col1 from my_tmp)";
$strsql2="drop table my_tmp";
$result=mysql_query($strsql);
$result=mysql_query($strsql1);
$result=mysql_query($strsql2);

保存以上代碼以為delete.php，放在根目錄，想要刪除重復(fù)文章的時候，訪問這個文件就可以了