From 57eb45641e510a6b675bcbf49a536efc67b68255 Mon Sep 17 00:00:00 2001
From: Andrew Nacin <nacin@git.wordpress.org>
Date: Thu, 28 Jun 2012 19:57:31 +0000
Subject: [PATCH] Handle localized floats in $wpdb->prepare(). props kurtpayne.
 fixes #19861.

git-svn-id: https://develop.svn.wordpress.org/trunk@21161 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-includes/wp-db.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/wp-includes/wp-db.php b/wp-includes/wp-db.php
index f418745929..3dc9411bfc 100644
--- a/wp-includes/wp-db.php
+++ b/wp-includes/wp-db.php
@@ -850,7 +850,8 @@ class wpdb {
 	 * @return void
 	 */
 	function escape_by_ref( &$string ) {
-		$string = $this->_real_escape( $string );
+		if ( ! is_float( $string ) )
+			$string = $this->_real_escape( $string );
 	}
 
 	/**
@@ -901,6 +902,7 @@ class wpdb {
 			$args = $args[0];
 		$query = str_replace( "'%s'", '%s', $query ); // in case someone mistakenly already singlequoted it
 		$query = str_replace( '"%s"', '%s', $query ); // doublequote unquoting
+		$query = str_replace( '%f' , '%F', $query ); // Force floats to be locale unaware		
 		$query = preg_replace( '|(?<!%)%s|', "'%s'", $query ); // quote the strings, avoiding escaped strings like %%s
 		array_walk( $args, array( &$this, 'escape_by_ref' ) );
 		return @vsprintf( $query, $args );