From 401e9466bffb3c312228a99aa6a63a15342fe79b Mon Sep 17 00:00:00 2001
From: Andreas Fischer <bantu@phpbb.com>
Date: Sun, 26 May 2013 17:51:41 +0200
Subject: [PATCH] [ticket/11538] Compare to '' instead of using empty(), so '0'
 does not pass.

PHPBB3-11538
---
 phpBB/includes/functions_user.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/phpBB/includes/functions_user.php b/phpBB/includes/functions_user.php
index 61972c3876..6b6a9b1f9f 100644
--- a/phpBB/includes/functions_user.php
+++ b/phpBB/includes/functions_user.php
@@ -1910,7 +1910,7 @@ function validate_jabber($jid)
 */
 function phpbb_validate_hex_colour($colour, $optional = false)
 {
-	if (empty($colour))
+	if ($colour === '')
 	{
 		return (($optional) ? false : 'WRONG_DATA');
 	}