From ff7532e518ea9652fc23bef9b459ffed488bffdc Mon Sep 17 00:00:00 2001
From: Andrew Nacin <nacin@git.wordpress.org>
Date: Wed, 17 Jul 2013 21:08:05 +0000
Subject: [PATCH] Ensure _deprecated_function() exists before calling it. wpdb
 currently does not have a full functions.php dependency, and this can break
 external inclusions. see #24774.

git-svn-id: https://develop.svn.wordpress.org/trunk@24724 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-includes/wp-db.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/wp-includes/wp-db.php b/wp-includes/wp-db.php
index 2c4c28262f..16230ae493 100644
--- a/wp-includes/wp-db.php
+++ b/wp-includes/wp-db.php
@@ -860,7 +860,7 @@ class wpdb {
 	 * @return string
 	 */
 	function _weak_escape( $string ) {
-		if ( func_num_args() === 1 )
+		if ( func_num_args() === 1 && function_exists( '_deprecated_function' ) )
 			_deprecated_function( __METHOD__, '3.6', 'wpdb::prepare() or esc_sql()' );
 		return addslashes( $string );
 	}
@@ -918,7 +918,7 @@ class wpdb {
 	 * @return mixed
 	 */
 	function escape( $data ) {
-		if ( func_num_args() === 1 )
+		if ( func_num_args() === 1 && function_exists( '_deprecated_function' ) )
 			_deprecated_function( __METHOD__, '3.6', 'wpdb::prepare() or esc_sql()' );
 		if ( is_array( $data ) ) {
 			foreach ( $data as $k => $v ) {