From 5cbcb6a764450717795923096383d19df29d668d Mon Sep 17 00:00:00 2001
From: Ryan Boren <ryan@git.wordpress.org>
Date: Tue, 14 Aug 2012 19:07:56 +0000
Subject: [PATCH] Add isset() check to avoid notice. Props c3mdigital. fixes
 #21512

git-svn-id: https://develop.svn.wordpress.org/trunk@21506 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-includes/comment.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wp-includes/comment.php b/wp-includes/comment.php
index dc3de4ed39..998fbec69e 100644
--- a/wp-includes/comment.php
+++ b/wp-includes/comment.php
@@ -655,7 +655,7 @@ function wp_allow_comment($commentdata) {
 		$post_author = $wpdb->get_var($wpdb->prepare("SELECT post_author FROM $wpdb->posts WHERE ID = %d LIMIT 1", $comment_post_ID));
 	}
 
-	if ( $user && ( $user_id == $post_author || $user->has_cap('moderate_comments') ) ) {
+	if ( isset( $user ) && ( $user_id == $post_author || $user->has_cap( 'moderate_comments' ) ) ) {
 		// The author and the admins get respect.
 		$approved = 1;
 	 } else {