From 93c2f1337216b30bb733f75ab47bb1bee461cb1e Mon Sep 17 00:00:00 2001
From: =?utf8?q?Rapha=C3=ABl=20Barrois?= <raphael.barrois@polytechnique.org>
Date: Wed, 28 Apr 2010 17:17:46 +0200
Subject: [PATCH] Add check against PHP's 0 == 'anystring' problem
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We might have to check lots of code to avoid this...

Signed-off-by: Raphaël Barrois <raphael.barrois@polytechnique.org>
---
 classes/userfilter.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/classes/userfilter.php b/classes/userfilter.php
index e6756c4..689b5ce 100644
--- a/classes/userfilter.php
+++ b/classes/userfilter.php
@@ -2077,7 +2077,7 @@ class UserFilter extends PlFilter
     const GRADE_MST = 'M%';
     static public function isGrade($grade)
     {
-        return $grade == self::GRADE_ING || $grade == self::GRADE_PHD || $grade == self::GRADE_MST;
+        return ($grade !== 0) && ($grade == self::GRADE_ING || $grade == self::GRADE_PHD || $grade == self::GRADE_MST);
     }
 
     static public function assertGrade($grade)
-- 
2.1.4