Add to your functions.php file, but dont forget to take it off after use it !!!!!
function update_all_posts() { $args = array( 'post_type' => 'post', 'numberposts' => -1 ); $all_posts = get_posts($args); foreach ($all_posts as $single_post){ $single_post->post_title = $single_post->post_title.''; wp_update_post( $single_post ); } } add_action( 'wp_loaded', 'update_all_posts' );
PS : BE SURE TO MAKE A DATABASE BACKUP BEFORE EXECUTE !!!