query( "DELETE FROM $wpdb->options WHERE option_name LIKE 'evf\_%';" ); // Delete usermeta. $wpdb->query( "DELETE FROM $wpdb->usermeta WHERE meta_key LIKE 'evf\_%';" ); // Delete posts + data. $wpdb->query( "DELETE FROM {$wpdb->posts} WHERE post_type IN ( 'everest_form' );" ); $wpdb->query( "DELETE meta FROM {$wpdb->postmeta} meta LEFT JOIN {$wpdb->posts} posts ON posts.ID = meta.post_id WHERE posts.ID IS NULL;" ); // Clear any cached data that has been removed. wp_cache_flush(); }