From 05d9662d3e79a3f28f1790215459e7f6cd00d662 Mon Sep 17 00:00:00 2001
From: Ryan Boren <ryan@git.wordpress.org>
Date: Thu, 13 Sep 2007 04:51:33 +0000
Subject: [PATCH] no follow callback

git-svn-id: https://develop.svn.wordpress.org/trunk@6105 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-includes/formatting.php | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/wp-includes/formatting.php b/wp-includes/formatting.php
index 5e19a02475..bcb8dfa049 100644
--- a/wp-includes/formatting.php
+++ b/wp-includes/formatting.php
@@ -647,11 +647,17 @@ function wp_rel_nofollow( $text ) {
 	global $wpdb;
 	// This is a pre save filter, so text is already escaped.
 	$text = stripslashes($text);
-	$text = preg_replace('|<a (.+?)>|ie', "'<a ' . str_replace(' rel=\"nofollow\"','',stripslashes('$1')) . ' rel=\"nofollow\">'", $text);
+	$text = preg_replace_callback('|<a (.+?)>|i', 'wp_rel_nofollow_callback', $text);
 	$text = $wpdb->escape($text);
 	return $text;
 }
 
+function wp_rel_nofollow_callback( $matches ) {
+	$text = $matches[1];
+	$text = str_replace(array(' rel="nofollow"', " rel='nofollow'"), '', $text);
+	return "<a $text rel=\"nofollow\">";
+}
+
 function convert_smilies($text) {
 	global $wp_smiliessearch, $wp_smiliesreplace;
     $output = '';