From 6508eb9d47d744c2ed3cade73601c48aabfb4c3d Mon Sep 17 00:00:00 2001
From: rob1n <rob1n@git.wordpress.org>
Date: Sat, 12 May 2007 16:24:17 +0000
Subject: [PATCH] Don't call the function if it doesn't exist yet. fixes #4249

git-svn-id: https://develop.svn.wordpress.org/trunk@5455 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-includes/wp-db.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/wp-includes/wp-db.php b/wp-includes/wp-db.php
index b558384208..84d5af2af7 100644
--- a/wp-includes/wp-db.php
+++ b/wp-includes/wp-db.php
@@ -370,7 +370,10 @@ class wpdb {
 		if ( !$this->show_errors )
 			return false;
 		
-		status_header( 503 );
+		if ( function_exists( 'status_header' ) ) {
+			status_header( 503 );
+		}
+		
 		header('Content-Type: text/html; charset=utf-8');
 
 		if (strpos($_SERVER['PHP_SELF'], 'wp-admin') !== false)