From 1995262477dd437372d98af2773d842d981a682c Mon Sep 17 00:00:00 2001
From: Andrew Nacin <nacin@git.wordpress.org>
Date: Fri, 10 Feb 2012 22:44:30 +0000
Subject: [PATCH] Allow get_comment_meta() to be called with only a comment ID,
 something get_metadata() allows. Same functionality as get_user_meta() and
 get_post_meta(). see #19882.

git-svn-id: https://develop.svn.wordpress.org/trunk@19909 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 dd4179cc27..59059cf19d 100644
--- a/wp-includes/comment.php
+++ b/wp-includes/comment.php
@@ -543,7 +543,7 @@ function delete_comment_meta($comment_id, $meta_key, $meta_value = '') {
  * @return mixed Will be an array if $single is false. Will be value of meta data field if $single
  *  is true.
  */
-function get_comment_meta($comment_id, $key, $single = false) {
+function get_comment_meta($comment_id, $key = '', $single = false) {
 	return get_metadata('comment', $comment_id, $key, $single);
 }