From e5056e0ac6d7c3d6b5b99b97d0b494bd75955a28 Mon Sep 17 00:00:00 2001
From: Andrew Nacin <nacin@git.wordpress.org>
Date: Sat, 13 Feb 2010 02:35:41 +0000
Subject: [PATCH] Fix notice in get_cat_name(). Return empty string if category
 does not exist, fixes #11737.

git-svn-id: https://develop.svn.wordpress.org/trunk@13074 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-includes/category.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/wp-includes/category.php b/wp-includes/category.php
index 26c6a4281e..b2c05d273c 100644
--- a/wp-includes/category.php
+++ b/wp-includes/category.php
@@ -180,11 +180,13 @@ function get_cat_ID( $cat_name='General' ) {
  * @since 1.0.0
  *
  * @param int $cat_id Category ID
- * @return string Category name
+ * @return string Category name, or an empty string if category doesn't exist.
  */
 function get_cat_name( $cat_id ) {
 	$cat_id = (int) $cat_id;
 	$category = &get_category( $cat_id );
+	if ( ! $category || is_wp_error( $category ) )
+		return '';
 	return $category->name;
 }