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07 January, 2009

How to delete duplicate Wordpress posts

It can also used to delete the duplicate posts by wp-o-matic



I recently ran into trouble with a Wordpress installation of mine, where a homemade script went totally overboard, and never stopped running, adding posts to the database. Over a few days it added close to 9.000 posts, of which all were duplicates.

After a bit of searching I found the problem, but getting into the database to clean up was a bit of a problem, since the script was still running. I had to remove the script totally from my install in order to stop it!





After a bit of google search i found this trick its working 100% i tried with wordpress 2.6





login in to your  cpanel and go to the phpmyadmin  and select the your wordpress database and run this script in the  query window



DELETE bad_rows.*

from wp_posts as bad_rows

inner join (

select post_title, MIN(id) as min_id

from wp_posts

group by post_title

having count(*) > 1

) as good_rows on good_rows.post_title = bad_rows.post_title

and good_rows.min_id <> bad_rows.id
after deleting the posts u can  prevent the  duplicate post by Wp-o-matic

  1. Open up wp-includes/post.php in your favorite editor

  2. at approx line 703 you will find the following line :

    if ($post_name_check || in_array($post_name, $wp_rewrite->feeds) ) {

  3. After this insert a new line of code :

    return 0;

  4. save (you did make a backup, right?).

  5. All done.

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