From: Chad Horohoe <demon@users.mediawiki.org>
Date: Wed, 9 Feb 2011 14:59:44 +0000 (+0000)
Subject: Followup r81812: per CR, this could be 0
X-Git-Tag: 1.31.0-rc.0~32097
X-Git-Url: http://git.cyclocoop.org/data/%24oldEdit?a=commitdiff_plain;h=4abff2596654626d04a13fb3c59d1db9f8ed93cd;p=lhc%2Fweb%2Fwiklou.git

Followup r81812: per CR, this could be 0
---

diff --git a/includes/User.php b/includes/User.php
index 0f9d9738f3..46d6f42db3 100644
--- a/includes/User.php
+++ b/includes/User.php
@@ -586,7 +586,7 @@ class User {
 		}
 
 		// Preg yells if you try to give it an empty string
-		if( $wgInvalidUsernameCharacters ) {
+		if( $wgInvalidUsernameCharacters !== '' ) {
 			if( preg_match( '/[' . preg_quote( $wgInvalidUsernameCharacters, '/' ) . ']/', $name ) ) {
 				wfDebugLog( 'username', __METHOD__ .
 					": '$name' invalid due to wgInvalidUsernameCharacters" );