From de4a0edb943bd050e074e1eff177c2537629781b Mon Sep 17 00:00:00 2001
From: markjaquith <markjaquith@1a063a9b-81f0-0310-95a4-ce76da25c4cd>
Date: Thu, 13 Nov 2008 07:54:27 +0000
Subject: [PATCH] Cast image sizes to ints. Explain that sizes are in pixels.
 fixes #8160

git-svn-id: http://svn.automattic.com/wordpress/trunk@9661 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-admin/options-media.php | 2 +-
 wp-includes/formatting.php | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/wp-admin/options-media.php b/wp-admin/options-media.php
index 9367cb8b6..bbc3a3e84 100644
--- a/wp-admin/options-media.php
+++ b/wp-admin/options-media.php
@@ -49,7 +49,7 @@ include('admin-header.php');
 </table>
 
 <h3><?php _e('Image sizes') ?></h3>
-<p><?php _e('The sizes listed below determine the maximum dimensions to use when inserting an image into the body of a post.'); ?></p>
+<p><?php _e('The sizes listed below determine the maximum dimensions in pixels to use when inserting an image into the body of a post.'); ?></p>
 
 <table class="form-table">
 <tr valign="top">
diff --git a/wp-includes/formatting.php b/wp-includes/formatting.php
index f0c8d7e1e..a9c396b46 100644
--- a/wp-includes/formatting.php
+++ b/wp-includes/formatting.php
@@ -1820,6 +1820,12 @@ function sanitize_option($option, $value) {
 			$value = sanitize_email($value);
 			break;
 
+		case 'thumbnail_size_w':
+		case 'thumbnail_size_h':
+		case 'medium_size_w':
+		case 'medium_size_h':
+		case 'large_size_w':
+		case 'large_size_h':
 		case 'default_post_edit_rows':
 		case 'mailserver_port':
 		case 'comment_max_links':