<?php
/*
Plugin Name: Nofollow In Posts
Plugin URI: http://wordpress.org/support/topic/85214
Description: Inserts rel="nofollow" into post content URLs.
Version: R1.0.1
Author: Kaf Oseo
Author URI: http://szub.net
Copyright (c) 2006 Kaf Oseo (http://szub.net)
Nofollow In Posts URLs is released under the GNU General Public
License (GPL) http://www.gnu.org/licenses/gpl.txt
This is a WordPress plugin (http://wordpress.org).
Props to kubicka.
*/
function nofollow_in_posts($text) {
$text = preg_replace('%<a(\s+.*?href=\S(?!' . get_bloginfo('home') . '))%i', '<a rel="nofollow"\\1', $text);
return $text;
}
add_filter('the_content', 'nofollow_in_posts', 42);
?>